🛠️
AMTools by HelloMarketing.in
  500 Tools  •  Always Free  •  No Signup

Your All-in-One
Online Toolkit

Calculators, converters, text tools, health utilities and more — built for users worldwide. Fast, accurate, mobile-friendly and 100% free forever.

500
Free Tools
11
Categories
300+
Guides
0
Sign-ups Needed
All Tools

Choose Your Tool

Showing the main tool in each family. Every category page lists all variants. Free, no account required, works on any device.

🏦
Finance

EMI Calculator India

Calculate EMI for home loan, car loan, personal loan. Get monthly EMI, total interest, and amortization schedule.

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Finance

Income Tax Calculator India

Calculate your income tax liability for FY 2026-27 under old and new tax regime. Get slab-wise breakdown instantly.

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Finance

GST Calculator India

Calculate GST at the current 0%, 5%, 18% and 40% slabs (GST 2.0, effective 22 September 2025). Find price with GST and without GST instantly.

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Health

BMI Calculator

Calculate your Body Mass Index (BMI) instantly. Enter height and weight to get BMI with interpretation. Supports metric and imperial units.

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Finance

Currency Converter — INR, USD, EUR and More

Convert between Indian Rupee and world currencies. Get indicative exchange rates for INR, USD, EUR, GBP, AED, SGD and more.

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Text & SEO

Word Counter

Count words, characters, sentences, paragraphs, and reading time. Paste any text to analyze it.

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🔐
Security

Strong Password Generator

Generate secure, random passwords with custom length and character sets. Includes strength meter. Free online tool.

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Math

Percentage Calculator

Calculate percentages easily — find what X% of Y is, what percentage X is of Y, percentage change, and more.

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Date & Time

Age Calculator

Calculate your exact age in years, months, days, hours, and minutes. Find age difference between two dates.

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Converters

Unit Converter

Convert between all common units: length, weight, temperature, volume, area, speed, and more. Fast and accurate.

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Health

Daily Calorie Calculator

Calculate daily calorie needs based on age, gender, height, weight, and activity level. Get BMR and TDEE for weight loss, maintenance, or gain.

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Finance

7th Pay Commission Salary Calculator 2026

Calculate central government employee salary as per 7th Pay Commission pay matrix. Enter pay level and basic pay to get gross salary with all…

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Finance

Advance Tax Calculator

Calculate advance tax instalments due dates and amounts for self-employed, freelancers, and companies in India.

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Finance

Break-Even Calculator - Find Your Break-Even Point

Calculate break-even point in units and revenue. Understand fixed costs, variable costs, contribution margin, and profit at any sales volume.

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Finance

Budget Calculator — 50/30/20 Rule

Calculate your ideal budget using the 50/30/20 rule. Enter your income and see exactly how to allocate your money for needs, wants, and savings.

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Finance

Business Name Generator

Generate creative business name ideas based on keywords. Get catchy, memorable names for startups, shops, and brands.

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Finance

Business Plan Template Generator

Generate a structured business plan outline for your startup or small business. Free business plan template for India.

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Finance

CAGR Calculator - Compound Annual Growth Rate

Calculate CAGR (Compound Annual Growth Rate) to measure investment performance. Find beginning value, ending value, or number of years from any two…

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Finance

Compound Interest Calculator

Calculate compound interest with monthly or annual compounding. See how investments grow over time.

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Finance

Crypto ROI Calculator - Bitcoin Ethereum Investment Returns

Calculate cryptocurrency investment returns, ROI, and profit/loss. Compare buying Bitcoin, Ethereum, or any crypto.

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Finance

CTC / Salary Calculator

Convert CTC (Cost to Company) to in-hand salary in India. Calculate HRA, PF, professional tax, income tax deductions and net take-home pay.

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Finance

CTC to In-Hand Salary Calculator

Convert CTC to in-hand monthly take-home salary. Includes PF, professional tax, HRA, standard deduction & income tax for FY 2026-27.

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Finance

Currency Converter

Convert between major world currencies with up-to-date exchange rate guidance. INR, USD, EUR, GBP, AED and more.

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Finance

Discount & Sale Price Calculator

Calculate discount amount, sale price, and savings percentage quickly. Perfect for shopping deals.

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Finance

Dividend Yield Calculator - Stock Dividend Returns

Calculate dividend yield, annual income, and total return on dividend stocks. Compare dividend yields and estimate income from your stock portfolio.

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Finance

Electricity Bill Calculator India

Calculate your monthly electricity bill based on unit consumption and state tariff. Check appliance-wise usage.

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Finance

Electricity Savings Calculator

Calculate how much you can save on electricity by replacing old appliances or reducing usage.

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Finance

EMI vs Rent Calculator

Decide whether to buy or rent. Compare the true cost of home loan EMI vs renting.

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Finance

EPF Calculator India - Employee Provident Fund

Calculate your EPF (Employee Provident Fund) corpus, monthly contributions, and maturity amount with interest compounding for retirement planning in…

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Finance

FD Calculator India - Fixed Deposit Maturity & Returns

Calculate Fixed Deposit maturity amount, interest earned, and effective yield for different compounding frequencies. Compare FD rates across tenures.

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Finance

Food Cost Calculator for Recipes

Calculate the exact cost of any recipe per serving. Perfect for home cooks, tiffin services, and food businesses.

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Finance

Free Invoice Generator India

Create professional invoices with GST in seconds. Download as printable HTML. Add your business logo, GSTIN, and billing details.

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Finance

Freelancer Tax Calculator India — Section 44ADA (Presumptive Taxation)

Calculate income tax for freelancers under Section 44ADA presumptive scheme. Compare with normal scheme. Advance tax instalments for FY 2026-27.

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Finance

Future Value Calculator

Calculate the future value of an investment with compound interest. Free online FV calculator for savings, stocks, and investments.

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Finance

Gratuity Calculator India

Calculate gratuity amount as per Payment of Gratuity Act 1972. Compute gratuity for private and government employees.

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Finance

GST Late Fee Calculator

Calculate GST return late filing fees and interest for GSTR-1, GSTR-3B, and other returns.

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Finance

GST Number Validator India

Validate GSTIN (GST Identification Number) format online. Decode GST number and identify state code.

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Finance

Home Loan (Mortgage) Calculator

Calculate your home loan EMI, total interest, and amortization schedule in India.

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Finance

HRA Exemption Calculator India

Calculate HRA (House Rent Allowance) exemption for income tax in India. Know your tax-free HRA under Section 10(13A).

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Finance

IFSC Code Finder & Bank Details

Look up IFSC code details to find bank name, branch, and address for fund transfers in India.

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Finance

Income Tax Return Filing Checklist India

Complete checklist for filing income tax return in India. Know what documents you need for ITR filing.

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Finance

Inflation Calculator

Calculate the purchasing power of money over time. See how much \$1000 today was worth in the past.

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Finance

Interest Calculator

Calculate simple and compound interest. Compare both side-by-side with full breakdowns.

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Finance

Interest Rate Converter - APR to Monthly, Daily Rates

Convert annual interest rate to monthly, daily, quarterly, and effective annual rates. EAR vs APR explained.

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Finance

Investment Returns Calculator

Compare returns from different investment options: FD, Mutual Fund, Stocks, Gold, and Real Estate.

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Finance

Invoice Number Generator

Generate sequential invoice numbers for your business. Create invoice number formats with prefix, year, and sequence.

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Finance

Invoice Total Calculator - Calculate Tax, Discount & Total

Calculate invoice totals with line items, tax rates, and discounts. Add multiple items with quantities and unit prices.

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Finance

Lease vs Rent Calculator - Buy or Rent Decision Tool

Compare buying vs renting a property in India. Calculate total cost of ownership, rental savings, opportunity cost, and break-even period to make the…

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Finance

Loan Affordability Calculator

Find out how much home or personal loan you can afford based on income, existing EMIs and bank eligibility criteria. Instant results.

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Finance

Loan Against Property Calculator

Calculate EMI, interest, and eligibility for loan against property (LAP). Compare rates and find your maximum loan amount.

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Finance

Loan Amortization Schedule

Generate a full loan amortization schedule. See monthly payments, interest paid, and remaining balance for any loan.

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Finance

Loan Calculator

Calculate monthly loan payments, total interest, and amortization schedule for any loan.

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Finance

Loan Comparison Calculator — Compare Multiple Loans

Compare 3 loan offers side by side. Calculate and compare total interest, EMI and cost of borrowing for home loan, car loan or personal loan.

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Finance

Loan Eligibility Calculator

Check how much home loan or personal loan you are eligible for based on your salary and expenses.

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Finance

Loan Payoff Calculator

Calculate how long to pay off your loan and how extra payments save interest.

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Finance

Loan Prepayment Calculator - Save Interest & Reduce Tenure

Calculate savings from home loan prepayment. Find how much interest you save and how many months your loan tenure reduces with lump sum or regular…

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Finance

Markup vs Margin Calculator — Cost Price to Selling Price

Calculate markup percentage, profit margin, selling price, and cost price. Understand the difference between markup and margin with formulas.

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Finance

Meeting Cost Calculator - Real Cost of Your Meetings

Calculate the true cost of business meetings based on attendee salaries and meeting duration. See how much each meeting costs your organization in…

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Finance

Mutual Fund SIP Calculator

Calculate SIP returns and future value for mutual fund investments with step-up option.

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Finance

Net Present Value (NPV) Calculator

Calculate NPV of investment cash flows. Determine if a project creates value at a given discount rate.

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Finance

Net Salary Calculator - Take Home Pay After Tax

Calculate your net take-home salary after income tax, EPF, professional tax deductions. Supports India, UK, and US.

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Finance

Net Worth Calculator

Calculate your total net worth by adding assets and subtracting liabilities. Personal finance health check.

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Finance

NPS Calculator - National Pension System

Calculate NPS corpus and monthly pension at retirement. Plan your retirement with National Pension System.

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Finance

Online Price Comparison Guide

Learn how to compare product prices across Flipkart, Amazon, and other Indian e-commerce sites. Save money on every purchase.

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Finance

PAN Card Validator & Details Extractor

Validate your PAN card number, check format, and extract hidden information like taxpayer type, state of issue, and name initial encoded in the PAN.

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Finance

PPF Calculator India - Public Provident Fund Returns

Calculate your PPF maturity amount, yearly interest, and total returns over 15 years (and extensions) with current 7.1% interest rate.

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Finance

Professional Tax Calculator India

Calculate professional tax liability for employees and self-employed professionals across Indian states.

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Finance

Profit Margin Calculator

Calculate gross profit margin, net profit margin, and markup percentage. Find selling price from cost and desired margin.

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Finance

RD Calculator - Recurring Deposit Maturity Amount

Calculate recurring deposit maturity amount and interest earned. Compare RD returns across different banks and tenures.

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Finance

Rent Receipt Generator - Free Printable Rent Receipt

Generate printable rent receipts for HRA tax claims. Fill landlord and tenant details, download or print as PDF.

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Finance

Rent vs Buy Calculator India

Should you rent or buy a home? Compare total cost of renting vs buying over any time period in India.

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Finance

Retirement Calculator India

Calculate how much you need to retire comfortably. Plan your retirement corpus with inflation adjustment.

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Finance

ROI Calculator — Return on Investment

Calculate return on investment (ROI), net profit, and annual ROI. Works for business investments, marketing campaigns, and stocks.

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Finance

Salary Calculator (India)

Calculate monthly take-home salary from CTC. Includes PF, professional tax, HRA, and standard deduction.

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Finance

Salary Hike Calculator

Calculate your new salary after a hike percentage. Compare old and new CTC with monthly and annual breakup.

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Finance

Salary to Hourly Calculator

Convert annual salary to hourly rate instantly. Also converts hourly to annual, daily, weekly, and monthly pay.

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Finance

Sales Tax Calculator

Calculate sales tax for any US state or custom rate. Find the total price including tax and the tax amount separately.

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Finance

Savings Goal Calculator - Time to Reach Financial Goal

Calculate how long to save for a goal, required monthly savings, or final amount. Includes interest earned on savings.

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Finance

Section 80D Tax Benefit Calculator — Health Insurance Deduction

Calculate tax savings on health insurance premium under Section 80D. Includes self, family, and senior citizen parent premiums.

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Finance

Simple Interest Calculator

Calculate simple interest, total amount and interest earned. Formula: SI = P × R × T / 100.

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Finance

Solar Panel Savings Calculator India - ROI & Payback

Calculate solar panel savings, ROI, payback period, and CO2 reduction for your home or business in India. Estimate system size, cost, and monthly…

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Finance

Stamp Duty Calculator India

Calculate stamp duty and registration charges for property purchase in India across major states.

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Finance

Step-Up SIP Calculator

Calculate returns on Step-Up SIP where you increase your monthly investment by a fixed percentage each year. See how annual SIP top-up dramatically…

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Finance

Stock Average Calculator

Calculate the average cost of your stock holdings across multiple purchases.

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Finance

Stock Return Calculator

Calculate returns from buying and selling stocks. Compute profit/loss, percentage return, and annualized CAGR on any stock investment.

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Finance

Sukanya Samriddhi Yojana Calculator

Calculate SSY maturity amount for your daughter. Plan savings for girl child education and marriage under Sukanya Samriddhi Yojana.

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Finance

Tax Savings Calculator

Calculate how much tax you save by investing in 80C, 80D, HRA and other deductions under old/new regime.

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Finance

TDS Calculator India

Calculate TDS (Tax Deducted at Source) on salary, interest, rent, professional fees and other payments as per Income Tax Act.

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Finance

Tip Calculator

Calculate tip amount, split bills between friends, and find per-person costs. Perfect for restaurants and group dining.

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Finance

Travel Budget Planner

Plan your travel budget with categories for flights, hotels, food, and activities. Calculate total trip cost and daily average.

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Finance

Unit Price Calculator

Compare unit prices of products to find the best value for money. Compare price per kg, litre, or unit.

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Finance

UPI ID Validator & Format Checker

Validate and check the format of any UPI ID (VPA). Verify structure before payment.

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Finance

VAT Calculator

Add or remove VAT from any price. Calculate VAT amount for different countries and rates.

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Finance

Vehicle Fuel Cost Calculator India

Calculate monthly and annual fuel cost for your car or bike. Compare petrol, diesel, and CNG costs.

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Finance

Vehicle Loan Calculator

Calculate EMI for car or bike loans in India. Get monthly payment, total interest, and repayment schedule.

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Finance

Water Bill Calculator India

Estimate your monthly water bill based on usage, connection type, and your city tariff slab. Supports Delhi, Mumbai, and general India rates.

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Finance

XIRR Calculator

Calculate XIRR for SIP investments, FDs, real estate or any portfolio with irregular cash flows. The correct return metric for multiple investments…

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Health

Blood Alcohol Content (BAC) Calculator

Estimate your blood alcohol content (BAC) based on drinks consumed, weight, gender, and time.

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Health

Blood Pressure Analyzer - BP Category & Risk Assessment

Analyze your blood pressure reading and determine your BP category (normal, elevated, hypertension stage 1 or 2) with health recommendations based on…

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Health

Blood Type Compatibility Checker

Check blood transfusion and donation compatibility between blood types. ABO and Rh factor guide.

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Health

BMR Calculator - Basal Metabolic Rate & Daily Calorie Needs

Calculate your BMR and daily calorie needs for weight loss, maintenance, or muscle gain. Uses Mifflin-St Jeor formula.

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Health

Body Fat Percentage Calculator - Navy Method & BMI

Calculate your body fat percentage using the US Navy method and BMI method. Get your fitness category and healthy body fat range for your age and…

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Health

Calorie Burn Calculator

Calculate calories burned during various exercises and physical activities.

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Health

Calorie Calculator for Indian Foods

Look up calories in Indian foods — dal, rice, roti, sabzi, snacks. Calculate calories for your daily Indian meals.

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Health

Calorie Deficit Calculator for Weight Loss

Calculate your daily calorie deficit needed to lose weight at your target rate.

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Health

Daily Water Intake Calculator

Calculate how much water you should drink per day based on your weight, activity level, and climate.

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Health

Heart Rate Zone Calculator - Training Zones for Exercise

Calculate your 5 heart rate training zones for fat burn, cardio, and peak performance based on your max heart rate.

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Health

Ideal Body Weight Calculator

Calculate your ideal body weight based on height and gender. Compare multiple ideal weight formulas.

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Health

Macro Calculator — Protein, Carbs & Fat

Calculate your daily macronutrient requirements. Get exact grams of protein, carbohydrates, and fat based on your goals.

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Health

Nutrition Label Maker

Create custom nutrition facts labels for food products. Download as HTML or print.

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Health

Ovulation Calculator

Calculate your fertile window and ovulation date based on your cycle length and last period date.

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Health

Pregnancy Due Date Calculator - EDD & Week Tracker

Calculate your pregnancy due date (EDD), current week, trimester, and key milestones based on your last menstrual period or conception date.

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Health

Protein Intake Calculator

Calculate daily protein requirements based on weight, goals, and activity level. Find your optimal protein intake for muscle gain or fat loss.

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Health

Running Pace Calculator

Calculate your running pace, finish time, or distance. Convert between min/km and min/mile.

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Health

Sleep Cycle Calculator

Calculate the best time to wake up or go to sleep based on 90-minute sleep cycles. Optimize your sleep for feeling refreshed.

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Health

Sleep Cycle Calculator

Find the best bedtime or wake-up time based on 90-minute sleep cycles. Wake up refreshed every time.

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Health

Steps to Calories Calculator

Convert daily steps to calories burned. Find how many steps equals 1 km or 1 mile.

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Health

Waist-to-Hip Ratio Calculator

Calculate your waist-to-hip ratio (WHR) to assess health risk. Understand body fat distribution and cardiovascular risk.

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Health

Weekly Workout Planner

Create a personalized weekly workout schedule. Choose your fitness goal, available days, and get a structured plan.

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Text & SEO

Anagram Solver & Checker

Find all possible anagrams from a word or phrase. Also check if two words are anagrams of each other.

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Text & SEO

ASCII Art Generator

Convert text to ASCII art. Choose from multiple fonts for fun banners and text art.

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Text & SEO

Backlink Checker & Domain Authority Guide

Learn how to check your backlinks and domain authority using free tools. Monitor your link profile.

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Text & SEO

Blog Post Idea Generator

Generate unlimited blog post ideas for any niche. Get content ideas for your blog, YouTube channel, or social media.

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Text & SEO

Character Counter

Count characters, words, sentences, and paragraphs in real-time. Check Twitter/X limits, SMS length, and more.

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Text & SEO

Character Limit Checker

Check if your text fits within platform character limits for Twitter, SMS, Google Ads and more.

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Text & SEO

Citation Generator

Generate citations in APA, MLA and Chicago style for websites, books and articles.

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Text & SEO

Cover Letter Tips & Template

Write a compelling cover letter with expert tips, structure guide, and a customizable template.

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Text & SEO

Duplicate Line Remover

Remove duplicate lines from any text instantly. Case-sensitive or insensitive, keep first or last occurrence.

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Text & SEO

Email Subject Line Tester

Test and optimize your email subject lines for open rate, length, sentiment and spam triggers.

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Text & SEO

Essay Title Generator

Generate compelling essay and blog post titles. Enter your topic and get catchy title ideas instantly.

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Text & SEO

Find and Replace Text

Find and replace words or phrases in text. Supports plain text and regular expressions.

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Text & SEO

Hashtag Generator

Generate relevant hashtags for Instagram, Twitter/X, LinkedIn, and more. Find trending hashtags for your content.

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Text & SEO

Keyword Density Checker

Analyze keyword density and frequency in your content. Optimize SEO by finding over-optimized and under-used keywords.

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Text & SEO

List Sorter

Sort any list alphabetically, reverse alphabetically, numerically, or randomly. Remove duplicates and blank lines instantly.

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Text & SEO

Lorem Ipsum Generator

Generate Lorem Ipsum placeholder text for web design and publishing. Choose paragraphs, words, or sentences.

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Text & SEO

Morse Code Translator - Text to Morse & Morse to Text

Translate text to Morse code and Morse code back to text instantly. Includes audio playback of Morse code signals with adjustable speed.

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Text & SEO

Open Graph Preview

Preview how your website looks when shared on Facebook, Twitter, LinkedIn and WhatsApp.

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Text & SEO

Paraphrasing Guide & Tips

Learn effective paraphrasing techniques to rewrite content in your own words while keeping the meaning.

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Text & SEO

Plagiarism Checker Info

Learn about plagiarism, how to check content, and tools and techniques for ensuring originality.

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Text & SEO

Readability Checker

Check text readability with Flesch Reading Ease and Flesch-Kincaid Grade Level scores. Improve your writing clarity.

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Text & SEO

Reading Speed Calculator

Measure your reading speed in WPM. Test how fast you read and calculate time to finish any book.

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Text & SEO

Reading Time Estimator - Calculate How Long to Read

Estimate how long it takes to read any text. Paste your article or enter word count to calculate reading time instantly.

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Text & SEO

Resume Keyword Checker

Check your resume for important keywords. Paste a job description to see how well it matches.

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Text & SEO

Resume Writing Tips & Checker

Get expert resume writing tips, check your resume for common mistakes, and format it for ATS.

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Text & SEO

Robots.txt Generator

Generate a robots.txt file for your website to control search engine crawlers.

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Text & SEO

Sentence Counter

Count the number of sentences in any text. Free online sentence counter tool — instant results.

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Text & SEO

SEO Meta Tag Generator

Generate SEO-optimized meta tags for title, description, Open Graph, and Twitter cards.

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Text & SEO

Social Media Caption Generator

Generate engaging captions for Instagram, Facebook, LinkedIn posts. Get catchy captions with emojis and hashtags.

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Text & SEO

Social Media Character Counter

Count characters for Twitter/X (280), Instagram (2200), Facebook (63206), and LinkedIn (700) posts.

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Text & SEO

Text Case Converter

Convert text between UPPERCASE, lowercase, Title Case, camelCase, snake_case, kebab-case, and more.

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Text & SEO

Text Case Converter

Convert text between different cases: UPPERCASE, lowercase, Title Case, Sentence case, camelCase, snake_case, and more.

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Text & SEO

Text Cleaner & Formatter

Clean up text by removing extra spaces, blank lines, special characters, and formatting issues.

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Text & SEO

Text Repeater

Repeat any text a specified number of times with a custom separator. Useful for testing and formatting.

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Text & SEO

Text Reverser

Reverse text, words, sentences or lines with multiple reversal modes.

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Text & SEO

Text Sorter

Sort lines of text alphabetically, numerically, by length, or reverse. Remove duplicates too.

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Text & SEO

Text to ASCII Art Generator

Convert text to ASCII art online. Generate stylish ASCII text art for emails, social media, and terminals. Free tool.

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Text & SEO

Text to Handwriting Style

Convert typed text into handwriting-style display. Generate printable handwriting practice sheets.

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Text & SEO

Text to Morse Code

Convert text to Morse code and Morse code back to text. Play audio beeps for the Morse code signal.

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Text & SEO

Text to Speech Tool

Convert text to speech online. Listen to any text in multiple Indian and global languages.

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Text & SEO

Text to URL Slug Converter

Convert any text to a clean URL-friendly slug. Remove special characters, spaces, and accents.

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Text & SEO

Unicode & Special Character Finder

Search and find Unicode characters, symbols, arrows, math symbols, emojis, and special characters.

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Text & SEO

URL Slug Generator

Convert titles and text into clean URL slugs. Remove special characters, spaces, and accents for SEO-friendly URLs.

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Text & SEO

UTM Link Builder

Build UTM tracking URLs for Google Analytics campaigns. Track your marketing traffic sources.

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Text & SEO

Vowel Counter & Word Analyzer

Count vowels, consonants, words, sentences, and more in any text. Detailed text analysis tool.

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Text & SEO

Whitespace Remover

Remove extra whitespace, leading/trailing spaces, double spaces, and blank lines from any text instantly.

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Text & SEO

Word Cloud Generator

Generate a word frequency cloud from any text. Visualize the most common words.

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Text & SEO

Word Frequency Counter

Count how many times each word appears in your text. Analyse word usage and find the most common words.

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Text & SEO

Word to PDF Conversion Guide

Learn how to convert Word documents to PDF for free. Step-by-step methods for Windows, Mac and online.

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Text & SEO

XML Sitemap Generator

Generate a valid XML sitemap for your website. Enter your URLs and download or copy the sitemap.

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Text & SEO

YouTube Thumbnail Checker

Preview how your YouTube thumbnail looks in search results, suggested videos and on mobile.

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🔢
Math

Average Calculator

Calculate mean, median, mode, range and standard deviation for any set of numbers. Paste a list and get instant statistics.

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🔢
Math

Decimal to Fraction Converter

Convert decimal numbers to fractions and vice versa. Simplify fractions to lowest terms.

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🔢
Math

Distance Calculator Between Cities

Calculate approximate distance between major Indian and world cities. Get straight-line and road distance estimates.

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Math

Exponent & Root Calculator

Calculate any number raised to any power. Handles negative exponents, fractional exponents and scientific notation. Shows step-by-step work.

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Math

Fibonacci Sequence Generator

Generate Fibonacci numbers online. Calculate the nth Fibonacci number and view sequences with explanations.

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🔢
Math

Fraction Calculator

Add, subtract, multiply, and divide fractions. Simplify fractions, convert to decimals and mixed numbers. Shows step-by-step working.

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🔢
Math

Frequency to Wavelength Converter

Convert frequency to wavelength and wavelength to frequency for electromagnetic waves.

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🔢
Math

Geometry Calculator

Calculate area, perimeter and volume for circles, triangles, rectangles, polygons, cylinders, spheres and more. Step-by-step formulas included.

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Math

LCM and HCF Calculator

Calculate the Lowest Common Multiple (LCM) and Highest Common Factor (HCF/GCD) of two or more numbers instantly. Shows step-by-step working.

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Math

Linear Equation Solver

Solve linear equations and systems of equations (2x2). Step-by-step solutions shown.

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🔢
Math

Matrix Calculator

Add, subtract, and multiply matrices. Calculate determinant and transpose for up to 3×3 matrices.

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🔢
Math

Multiplication Table Generator

Generate multiplication tables for any number up to 100. Print-friendly, colorful, and great for students and kids.

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🔢
Math

Number to Words (Indian System)

Convert numbers to words in Indian numbering system — ones, lakhs, crores. Perfect for cheques, invoices, and legal documents.

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🔢
Math

Ohm's Law Calculator

Calculate voltage, current, and resistance using Ohm's Law (V=IR). Free online physics calculator.

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🔢
Math

Palindrome Checker

Check if a word, phrase, or sentence is a palindrome — reads the same forwards and backwards.

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🔢
Math

Percentage Change Calculator

Calculate percentage change, percentage increase, or decrease between two values. Useful for finance, statistics, and everyday math.

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Math

Permutation & Combination Calculator (nPr, nCr)

Calculate permutations (nPr) and combinations (nCr) for any n and r. Shows step-by-step formula and factorial working.

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Math

Prime Number Checker

Check if a number is prime, find prime factors, and generate a list of prime numbers up to N.

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🔢
Math

Quadratic Equation Solver

Solve quadratic equations ax² + bx + c = 0. Get real and complex roots with step-by-step solution.

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Math

Ratio Calculator

Simplify ratios, solve proportions and scale ratios up or down. Supports 2-part and 3-part ratios with step-by-step solutions.

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Math

Roman Numeral Converter

Convert numbers to Roman numerals and Roman numerals back to numbers instantly.

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🔢
Math

Scientific Calculator

Full-featured scientific calculator with trigonometry, logarithms, powers, and memory functions.

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🔢
Math

Scientific Notation Converter

Convert numbers to and from scientific notation. Instantly express large and small numbers in standard form.

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🔢
Math

Speed Distance Time Calculator

Calculate speed, distance, or time using the formula Speed = Distance / Time. Physics and travel calculator.

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Math

Square Footage Calculator - Room Area & Flooring Cost

Calculate room area in square feet, square meters, or square yards. Estimate flooring, paint, and tile costs with waste factor.

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Math

Statistics Calculator

Calculate mean, median, mode, standard deviation, variance, and more for a dataset. Free statistics tool.

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🔢
Math

Unit Circle Reference

Interactive unit circle showing sin, cos, tan values for common angles in degrees and radians.

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🔄
Converters

Angle Converter

Convert between degrees, radians, gradians, arcminutes, arcseconds, and turns.

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Converters

Area Converter

Convert area between square metres, acres, bigha, guntha, square feet, hectares, and more.

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Converters

Data Storage Converter

Convert data storage units between bytes, KB, MB, GB, TB, and more. Online digital storage converter.

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🔄
Converters

Energy Converter

Convert energy between joules, calories, kilowatt-hours, BTU, electronvolts and more. Online energy unit converter.

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🔄
Converters

File Size Converter

Convert between file size units: bytes, KB, MB, GB, TB. Supports decimal (SI) and binary (IEC) units.

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🔄
Converters

Fuel Economy Converter

Convert between MPG, L/100km, km/L, and other fuel economy units for cars and vehicles.

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🔄
Converters

Height Converter (cm, feet, inches)

Convert height between centimetres, feet and inches, and metres instantly.

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🔄
Converters

Indian Spice Conversion — Whole to Powder

Convert between whole spices and ground/powder form. Get the right spice ratio every time for Indian cooking.

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Converters

Length Converter

Convert between meters, feet, inches, km, miles, cm, mm, yards, and more length units instantly.

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🔄
Converters

Oven Temperature Converter — Celsius, Fahrenheit, Gas Mark

Convert oven temperatures between Celsius, Fahrenheit, and Gas Mark. Get the right baking temperature every time.

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Converters

Power Converter

Convert power units between watts, kilowatts, horsepower, BTU/hour, and more. Free online power conversion.

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Converters

Pressure Converter

Convert pressure between Pascal, bar, PSI, atm, mmHg, and more. Free online pressure unit conversion tool.

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🔄
Converters

Recipe Unit Converter — Cups, Grams, ml, Tbsp

Convert cooking measurements instantly. Convert cups to grams, ml to tbsp, oz to grams, and all common recipe units.

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Converters

Shoe Size Converter

Convert shoe sizes between US, UK, EU, Indian, and CM. Find your international shoe size equivalents.

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🔄
Converters

Speed Converter

Convert between km/h, mph, m/s, knots, and Mach number speed units.

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🔄
Converters

Temperature Converter

Convert temperature between Celsius, Fahrenheit, Kelvin, and Rankine. Instant temperature conversion with formula explanation.

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🔄
Converters

Unit Conversion Cheat Sheet

Quick reference for common unit conversions in length, weight, volume, temperature, and more.

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🔄
Converters

Volume Converter

Convert volume between liters, milliliters, gallons, cups, cubic meters, and more. Free online volume conversion tool.

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🔄
Converters

Weight & Mass Converter

Convert between kilograms, pounds, ounces, grams, tons, stones and more weight units.

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⏱️
Date & Time

Age at a Specific Date Calculator

Calculate your exact age on any past or future date. Find age in years, months, and days at any event.

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⏱️
Date & Time

Age Difference Calculator

Calculate the age difference between two people or dates. Shows years, months, and days.

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Date & Time

Age in Days Calculator

Find out exactly how many days, hours, minutes and seconds you have been alive.

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Date & Time

Birthday Countdown

Count down to your next birthday with days, hours, and minutes remaining.

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Date & Time

Cooking Timer — Multiple Timers

Set multiple cooking timers simultaneously. Never overcook or undercook again with our free multi-timer tool.

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Date & Time

Countdown Timer Online

Set a countdown timer for any duration. Perfect for workouts, cooking, presentations, and study sessions.

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Date & Time

Days Between Dates Calculator

Calculate the number of days, weeks, months or years between two dates. Includes working days count with holiday exclusion.

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Date & Time

Flight Time Calculator

Estimate flight duration between cities. Calculate flying time for direct and connecting flights with layover.

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Date & Time

Meeting Time Planner

Find the best meeting time across multiple time zones. Plan international meetings between India, US, Europe, and more.

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Date & Time

Online Alarm Clock

Set a web-based alarm clock with custom time. Works in your browser without any app.

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Date & Time

Online Stopwatch

Free online stopwatch with lap timer. Measure time accurately for sports, cooking, studies, and more.

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Date & Time

Roman Numeral Date Converter

Convert any date to Roman numerals in classic inscription format.

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Date & Time

Sunrise & Sunset Calculator

Calculate sunrise, sunset, and daylight hours for any city in India.

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Date & Time

Time Calculator

Add or subtract hours, minutes, and seconds. Calculate duration between two times. Convert time to decimal hours.

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⏱️
Date & Time

Time Until Calculator

Calculate exactly how long until any future date or event. Count down days, hours, and minutes to a deadline or special occasion.

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Date & Time

Time Zone Converter

Convert time between different time zones worldwide. Instantly find meeting times across IST, UTC, EST, PST, GMT and more.

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Date & Time

Working Days Calculator

Count working days between two dates, excluding weekends and Indian public holidays. Calculate project deadlines and delivery dates.

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Date & Time

World Clock

Check the current time in multiple cities around the world simultaneously. Live world clock online.

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🔐
Security

JWT Decoder

Decode JSON Web Tokens (JWT) instantly. View header, payload, and signature parts without a secret key.

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🔐
Security

Local Password Organizer

Organize password hints locally in your browser. No data leaves your device.

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Security

MD5 Hash Generator

Generate MD5 hash of any text string instantly in your browser.

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🔐
Security

Password Strength Checker

Check how strong your password is and get tips to make it more secure.

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🔐
Security

Random Password Generator

Generate strong, secure random passwords with custom length and character sets. Copy with one click.

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Security

SHA-256 Hash Generator

Generate SHA-256 cryptographic hash of any text in the browser. 100% client-side — your data never leaves your device.

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Security

Text Encryptor / Decryptor

Encrypt and decrypt text using a password. Uses AES-256-GCM via Web Crypto API.

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🔐
Security

UUID Generator

Generate random UUIDs (Universally Unique Identifiers) v4 instantly. Generate single or bulk UUIDs for development.

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🎨
Color

Color Blindness Simulator

Simulate how colors appear to people with different types of color blindness. Free online accessibility tool for designers.

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Color

Color Contrast Ratio Checker

Check WCAG color contrast ratios for accessibility. Test foreground and background color combinations.

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Color

Color Converter

Convert colors between HEX, RGB, HSL and HSV formats. Pick colors and preview instantly.

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Color

Color Mixer

Mix two colors together and see the result instantly. Free online color blending tool for designers and artists.

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Color

Color Name Finder

Find the name of any color by picking from a color wheel or entering a hex code.

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Color

Color Palette Generator

Generate beautiful color palettes for your design projects. Get hex, RGB, and HSL values.

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Color

Color Picker & Converter

Pick colors and convert between HEX, RGB, HSL, CMYK, and HSV. Get color codes instantly for web design and graphic design.

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Color

Color Scheme Generator

Generate harmonious color schemes: complementary, triadic, analogous, and split-complementary.

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Color

Hex to RGB Color Converter

Convert hex color codes to RGB, RGBA, HSL values and vice versa. Instant color format converter.

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Color

HTML Color Codes

Browse and search HTML/CSS color names with their hex, RGB, and HSL values.

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Color

HTML Color Names Reference

Browse all 140+ named HTML/CSS colors with their hex codes and RGB values. Search and copy color codes instantly.

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🎨
Color

Image Color Palette Extractor

Upload an image and extract the dominant colors as a palette. Get HEX codes for each color.

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🎨
Color

Random Color Generator

Generate random colors in HEX, RGB, and HSL formats. Perfect for design inspiration.

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🎲
Random & Fun

Coin Flip

Flip a virtual coin online. Heads or tails — instant random result with animation and flip history.

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🎲
Random & Fun

Coin Flip Streak Tracker

Flip coins and track streaks of heads or tails. Useful for probability experiments.

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Random & Fun

Cricket DLS Method Calculator

Calculate revised targets using the Duckworth-Lewis-Stern (DLS) method for rain-affected cricket matches. For T20, ODI and other limited-overs…

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Random & Fun

Dice Roller

Roll virtual dice for tabletop RPGs, board games, and probability experiments. Supports D4, D6, D8, D10, D12, D20, and custom dice.

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Random & Fun

List Randomizer & Sorter

Randomize, sort, shuffle, and deduplicate lists. Extract random items, number lists, and filter duplicates instantly.

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Random & Fun

Love Compatibility Calculator

Check love compatibility between two names. Fun and engaging compatibility test for couples.

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Random & Fun

Love Letter Generator

Generate a heartfelt love letter with your names and personal details. Romantic letter templates.

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Random & Fun

Meme Text Generator

Create impact-font style meme text with top and bottom captions. Copy as text or style.

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Random & Fun

Name Meaning Finder

Discover the meaning and origin of popular Indian and global names. Find names for babies with meanings.

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Random & Fun

Number Facts Generator

Discover interesting mathematical facts about any number. Trivia, primes, divisors and more.

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Random & Fun

Numerology Calculator

Calculate your Life Path Number, Destiny Number, and Soul Urge Number based on your name and birth date.

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🎲
Random & Fun

Random Name Picker

Pick a random name or winner from a list. Paste names, spin, and pick a winner instantly.

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🎲
Random & Fun

Random Number Generator

Generate random numbers between any range. Single or multiple numbers, integers or decimals.

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🎲
Random & Fun

Random Quote Generator

Get inspired with random quotes from famous thinkers, authors, and leaders. Share instantly.

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🎲
Random & Fun

Random Word Generator

Generate random English words for creative writing, games, learning and brainstorming. Filter by length, starting letter or word type.

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Random & Fun

Rhyme Finder & Poem Name Generator

Find words that rhyme with any word or name. Perfect for poets, songwriters, teachers, and creative writing.

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🎲
Random & Fun

Sudoku Generator & Solver

Play Sudoku online with easy, medium, and hard puzzles. Check solution and get hints.

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Random & Fun

Team Name Generator

Generate creative team names for sports, work groups, quiz teams and school projects. Filter by category: fierce, funny, professional.

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Random & Fun

Tic Tac Toe - Play Online vs Computer or Friend

Play Tic Tac Toe online against an unbeatable AI (Minimax algorithm) or a friend. Track wins, losses, and draws with score history.

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Random & Fun

Word Scramble Game

Unscramble words in this fun word puzzle game. 100+ words with hints and scoring.

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🎲
Random & Fun

Yes or No Generator

Get a random yes or no answer when you cannot decide. Fun, unbiased decision maker using true random number generation.

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Random & Fun

Zodiac Sign Finder

Find your Western and Vedic (Jyotish) zodiac sign by entering your date of birth. Includes personality traits and compatibility.

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💻
Developer & Design

ASCII Table & Character Lookup

Full ASCII table with character lookup. Find the decimal, hex, binary, and HTML code for any character.

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Developer & Design

Aspect Ratio Calculator

Calculate and maintain aspect ratios for images, videos, and screens. Find missing dimensions.

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💻
Developer & Design

Barcode Generator

Generate Code128, EAN-13, QR barcodes for products and inventory. Download as SVG or PNG for labels and printing.

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💻
Developer & Design

Base64 Encoder / Decoder

Encode or decode Base64 strings instantly. Supports URL-safe Base64 and file upload. Free online tool.

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💻
Developer & Design

Binary to Text Converter

Convert binary code to text and text to binary instantly. Supports ASCII and Unicode characters with bit-level breakdown.

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Developer & Design

Chmod Calculator

Calculate Linux file permissions. Convert between numeric (octal) and symbolic permission notation.

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💻
Developer & Design

Cron Expression Generator & Tester

Build and validate cron expressions visually. Get human-readable explanation of any cron schedule. Supports standard 5-field and extended 6-field…

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Developer & Design

CSS Border Radius Generator

Generate CSS border-radius values visually. Create rounded corners, pills, circles. Copy border-radius CSS code.

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Developer & Design

CSS Box Shadow Generator - Visual Shadow Builder

Visually create CSS box shadow effects with live preview. Generate single or multiple box shadows with full control over offset, blur, spread, color…

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Developer & Design

CSS Flexbox Generator

Visually build CSS flexbox layouts with live preview and copy-ready code.

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Developer & Design

CSS Gradient Generator

Create beautiful CSS linear and radial gradients online. Copy the CSS code for your website.

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💻
Developer & Design

CSS Minifier & Beautifier

Minify CSS to reduce file size or beautify/format CSS code online. Free CSS optimizer tool.

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💻
Developer & Design

CSS Specificity Calculator

Calculate the specificity of any CSS selector instantly. Understand (a,b,c) notation and why styles override each other.

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Developer & Design

CSS Text Shadow Generator

Generate CSS text shadow effects. Create glowing text, 3D text, embossed effects. Copy text-shadow CSS code.

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Developer & Design

CSS Unit Converter

Convert between CSS units: px, rem, em, vw, vh, pt, cm, mm, in. Set base font size for accurate rem/em conversion.

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Developer & Design

CSV to HTML Table Converter

Convert CSV data to an HTML table online. Free tool to generate clean, styled HTML tables from CSV or TSV data.

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Developer & Design

CSV to JSON Converter

Convert CSV data to JSON format online. Paste CSV and get JSON array. Free online data converter.

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Developer & Design

DNS Lookup Tool

Check DNS records for any domain. Look up A, CNAME, MX, TXT, NS, and other DNS record types online.

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Developer & Design

Epoch Timestamp Converter

Convert Unix epoch timestamps to human-readable dates and vice versa. Supports seconds and milliseconds.

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💻
Developer & Design

Favicon Generator

Create a simple favicon from text or emoji. Download as 32×32 PNG for your website.

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💻
Developer & Design

Font Pairing Tool

Find perfect font combinations for your design. Preview Google Fonts pairings for headings and body text.

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Developer & Design

Font Size Converter

Convert between px, em, rem, pt, and vw font size units. Essential for web and print design.

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💻
Developer & Design

Hex Binary Decimal Converter

Convert between hexadecimal, binary, decimal and octal number systems instantly.

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💻
Developer & Design

Hex to Text Converter

Convert hexadecimal to text or text to hex online. Free hex encoder/decoder for developers and students.

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💻
Developer & Design

HTML Encoder / Decoder

Encode and decode HTML entities online. Convert special characters to HTML entities and vice versa.

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Developer & Design

HTML Table Generator

Generate HTML table code from your data. Paste CSV or enter rows manually.

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💻
Developer & Design

HTML to Markdown Converter

Convert HTML to Markdown online. Free tool to transform HTML code into clean Markdown syntax instantly.

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Developer & Design

HTML to Plain Text Converter

Strip HTML tags and convert HTML to clean plain text. Remove markup, preserve line breaks, and extract readable content.

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Developer & Design

HTTP Status Codes Reference

Complete reference for all HTTP status codes with explanations. Look up any status code quickly.

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💻
Developer & Design

Icon Finder & Reference

Find icons for your web and app projects. Browse popular icon libraries: Font Awesome, Material Icons, Bootstrap Icons.

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Developer & Design

Image Resizer (Client-Side)

Resize any image directly in your browser — no upload to server. Maintains aspect ratio. Download instantly.

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💻
Developer & Design

Image to Base64 Converter

Convert images to Base64 encoded strings for embedding in HTML, CSS, or emails.

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Developer & Design

IP Address Lookup

Find your public IP address and get detailed information about any IP including location, ISP, and timezone.

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Developer & Design

IP Subnet Calculator

Calculate subnet mask, network address, broadcast address, and host range for any IP/CIDR.

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Developer & Design

JavaScript Minifier

Minify JavaScript code online to reduce file size. Remove comments and whitespace from JS files.

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Developer & Design

JSON Formatter & Validator

Format, beautify and validate JSON online. Minify JSON, fix JSON errors, and convert to readable format.

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💻
Developer & Design

JSON Minifier

Minify JSON online — remove whitespace and compress JSON data. Free JSON minifier and compressor tool.

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Developer & Design

JSON to CSV Converter — Convert JSON Array to CSV Online

Convert JSON array to CSV format instantly. Handles nested objects, arrays, custom delimiters. Download as .csv file. Free and client-side.

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Developer & Design

Markdown to HTML Converter

Convert Markdown text to HTML online. Preview rendered Markdown in real time. Free markdown converter.

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Developer & Design

Number System Converter

Convert numbers between binary, octal, decimal, and hexadecimal. Essential tool for programmers and students.

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Developer & Design

Octal Converter

Convert between octal, binary, decimal, and hexadecimal number systems. Instant multi-base conversion tool.

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Developer & Design

QR Code Generator

Generate QR codes instantly for URLs, text, UPI IDs, phone numbers, and more. Free online QR maker.

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Developer & Design

Regex Tester - Test Regular Expressions Online

Test and debug regular expressions online with live highlighting. Supports JavaScript regex with flags, capture groups, and match details.

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Developer & Design

Screen Resolution Checker

Check your screen resolution, viewport size, pixel ratio, and display information online.

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Developer & Design

Screen Ruler & Resolution Info

Measure pixels on screen, find your screen resolution, DPI, and aspect ratio.

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Developer & Design

Sprint Velocity Calculator - Agile Scrum Planning Tool

Calculate your agile team sprint velocity, track story points completed per sprint, and forecast future sprint capacity for accurate project planning.

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Developer & Design

SQL Formatter

Format and beautify SQL queries. Supports SELECT, INSERT, UPDATE, DELETE, and complex JOINs.

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Developer & Design

Text Diff Checker

Compare two texts side by side and highlight all differences. Shows insertions, deletions and unchanged text with character-level precision.

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Developer & Design

URL Encoder / Decoder

Encode special characters for URLs or decode percent-encoded strings. Handles full URLs and query strings. Free tool.

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Developer & Design

URL Parser

Parse and analyze any URL. Extract protocol, domain, path, query parameters, and fragment.

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Developer & Design

Website Wireframe Planner

Plan your website layout with this simple wireframe tool. Organize sections and structure your web pages visually.

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Developer & Design

YAML to JSON Converter

Convert YAML to JSON and JSON to YAML online. Validate YAML syntax and format output for APIs and config files.

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🧰
Everyday & Study

Ambient Noise Generator

Generate ambient sounds for focus: white noise, rain, cafe, forest, ocean. Free online ambient noise for productivity.

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🧰
Everyday & Study

Carbon Footprint Calculator - Calculate Your CO2 Emissions

Calculate your personal carbon footprint from travel, home energy, diet, and shopping. Get actionable tips to reduce CO2 emissions.

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Everyday & Study

CGPA to Percentage Calculator

Convert CGPA to percentage for Anna University, VTU, Mumbai University and all Indian universities. Supports 10-point and 4-point GPA scales with…

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Everyday & Study

Flashcard Maker

Create digital flashcards for studying. Flip cards to reveal answers and track progress.

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Everyday & Study

GPA Calculator

Calculate your GPA from your courses, credits, and grades. Supports both 4.0 and 10-point scales.

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Everyday & Study

Grade Calculator

Calculate your course grade, GPA, and required scores for target grades.

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Everyday & Study

Grade Point Calculator

Convert percentage to grade points and letter grades. Supports 4.0 and 10-point GPA scales.

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🧰
Everyday & Study

Habit Tracker

Track your daily habits online. Build positive habits with streak tracking and progress visualization.

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🧰
Everyday & Study

Indian States and Capitals — Complete List

Complete list of all 28 Indian states and 8 Union Territories with their capitals. Interactive search and quiz mode.

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Everyday & Study

Ingredient Substitution Guide

Find substitutes for missing cooking ingredients. Common ingredient replacements for baking and cooking.

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Everyday & Study

ISD / Country Calling Code Finder

Find international dialing codes (ISD codes) for any country. Look up country codes for making international calls.

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Everyday & Study

Marks Percentage Calculator

Calculate your percentage from marks obtained across multiple subjects. Add subjects dynamically, get total percentage, CGPA equivalent and grade.…

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Everyday & Study

Online Notepad

A distraction-free notepad that auto-saves to your browser for quick notes.

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🧰
Everyday & Study

Packing List Generator

Generate a customized packing list for any trip. Never forget essentials — travel smart with our smart checklist.

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🧰
Everyday & Study

Percentage to CGPA Converter

Convert your percentage to CGPA for 10-point, 4-point, Anna University, VTU, and Mumbai University scales. Includes conversion table and grade…

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Everyday & Study

Periodic Table Explorer

Explore all 118 elements of the periodic table. Click any element to view atomic number, mass, electron configuration, and properties.

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Everyday & Study

Pomodoro Timer Online

Use the Pomodoro technique to boost productivity. Work in 25-minute focused sessions with timed breaks.

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Everyday & Study

Quick Notes

Free online notepad. Take quick notes, save them in your browser. No account needed. Simple and fast.

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🧰
Everyday & Study

Recipe Servings Scaler

Scale any recipe up or down instantly. Adjust ingredient quantities for different serving sizes — from 2 to 20 people.

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🧰
Everyday & Study

Survey & Poll Maker

Create quick surveys and polls. Share results as a summary with percentages.

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Everyday & Study

To-Do List

Free online to-do list. Organize tasks, set priorities, and track progress. Data saved locally in browser.

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Everyday & Study

Typing Speed Test (WPM)

Test your typing speed and accuracy online. Get your WPM (words per minute) score instantly.

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Everyday & Study

Vehicle Registration Lookup (Format Check)

Check and decode Indian vehicle registration number format. Identify state and RTO from number plate.

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Everyday & Study

World Countries Info — Capital, Currency, Dialing Code

Look up any country: capital city, official currency, ISD calling code, continent, and basic facts.

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Browse

Browse All 500 Tools by Category

Each category page lists every tool, including regional and alternate versions.

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Finance

128 tools

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Health

39 tools

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Text & SEO

70 tools

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Math

37 tools

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Converters

27 tools

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Date & Time

26 tools

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Security

13 tools

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Color

20 tools

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Random & Fun

26 tools

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Developer & Design

86 tools

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Everyday & Study

28 tools

Guides

Learn & Calculate

Plain-English guides on money, tax, exams and technology, written for readers in India.

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Tax

Income Tax Slabs FY 2026-27: New vs Old Regime

Slabs, rebate, standard deduction and a break-even example for choosing a regime.

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Tax

How to Save Tax in India Legally

Deductions, investments and regime choice, with the limits that apply for FY 2026-27.

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Investing

Best Investment Options in India by Goal and Risk

Where to put money for short, medium and long goals, with risks and tax treatment.

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Savings

Fixed Deposit Guide: Rates, Tax, TDS and Safety

How FDs work, how interest is taxed and how to compare banks properly.

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Insurance

Term Insurance: How Much Cover You Need

A practical way to size cover, compare plans and avoid common mistakes.

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Retirement

NPS, EPF, PPF, SCSS and Annuities Compared

How the main retirement options differ on returns, tax and access.

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Mutual Funds

Large Cap Mutual Funds Explained

How they work, what they cost and how to pick one without chasing returns.

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Tax

ITR Filing Guide: Which Form and How to File

Choose the right ITR form and file your return step by step.

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Exams

NEET UG Preparation Guide

Syllabus, exam pattern, a study plan and strategy that works.

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View All Articles

Browse every guide on money, tax, exams, technology and everyday life.

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Why AMTools?

Built for Real People

Every tool is explained in plain English, with a worked example you can check by hand.

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Works Globally

Metric and imperial units, Indian and international number formats, and tools for India, the US and beyond.

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Lightning Fast

Calculations run instantly in your browser, with no sign-up and no waiting for a server.

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100% Private

Inputs are processed on your device and are not sent to our servers. The few tools that need the network, such as IP lookup, say so on the page.

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Mobile Friendly

Every tool is fully responsive. Works perfectly on phones, tablets and desktops without zooming.

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Ad-Respectful Design

Tools come first. Ads never sit above a tool or interrupt your input, and there are no popups.

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Always Free

Every single tool on AMTools is free to use forever. No premium plan, no credits, no paywalls.

What is AMTools?

AMTools (amtools.in) is a free collection of 500 online tools built and maintained by HelloMarketing.in, a digital marketing agency based in India. Each tool page explains what the calculation does, shows the formula, walks through a worked example and answers common questions, so you can trust the result and understand it.

Our Tool Categories

The tools are grouped into 11 categories: Finance (EMI, SIP, tax, GST, salary), Health (BMI, calories, heart-rate zones), Text & SEO (word counter, readability, slugs), Math (percentages, fractions, equations), Converters (units, data size, cooking), Date & Time (age, countdowns, time zones), Security (passwords, hashes), Color, Random & Fun, Developer & Design and Everyday & Study. Where several pages cover the same job, the homepage shows the main one and the category page lists the rest.

India-first, useful elsewhere

Finance tools default to Indian rules and the rupee: slabs for FY 2026-27, GST, TDS, EPF, PPF and NPS. International tools such as sales tax and VAT are included, and the currency converter supports 14 major currencies using indicative reference rates, not live market prices. Unit converters cover metric and imperial systems.

Privacy First

Calculations run in your browser using JavaScript, and inputs are not sent to our servers. A few tools, such as IP lookup, need a network request and say so on the page. Read our Privacy Policy for full details.