All Free Tools
42 free calculators, converters, and utilities across 5 categories. Fast, accurate, no signup required.
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💰 Finance(12)
View all →Mortgage Calculator
Calculate your monthly mortgage payment with taxes, insurance, and PMI included.
Loan Calculator
Calculate monthly loan payments and total interest for any type of loan.
Compound Interest Calculator
See how your savings grow over time with the power of compounding.
Paycheck Calculator
Estimate your take-home pay after federal, FICA, and state taxes.
Credit Card Payoff Calculator
See how fast you can wipe out credit card debt and how much interest you’ll save.
Debt Snowball Calculator
Pay off all your debts faster with the snowball or avalanche method.
CAGR / Investment Return Calculator
Calculate the compound annual growth rate of any investment.
Sales Tax Calculator
Add or remove sales tax from any price in seconds.
401(k) Calculator
Project your 401(k) retirement savings with employer match modeling.
Income Tax Calculator
Estimate federal income tax using 2025 IRS brackets.
Roth IRA Calculator
Project tax-free retirement growth with a Roth IRA.
Self-Employment Tax Calculator
Calculate SE tax (15.3%) on freelance and 1099 income.
🏥 Health(6)
View all →BMI Calculator
Calculate your Body Mass Index and get personalized health insights.
TDEE Calorie Calculator
Find your daily calorie needs for weight loss, maintenance, or muscle gain.
Water Intake Calculator
Find out how much water you should drink every day.
Body Fat Percentage Calculator
Estimate your body fat percentage using the U.S. Navy method.
Macro Calculator
Calculate your ideal daily protein, carb, and fat intake.
Ideal Weight Calculator
Find your ideal body weight using clinically-used formulas.
🛠️ Utilities(19)
View all →Internet Speed Test
Check your internet download, upload speeds and ping instantly in your browser.
Percentage Calculator
Solve any percentage problem — tips, discounts, increases, and more.
QR Code Generator
Create custom QR codes for URLs, WiFi, contacts, and more — instantly.
Discount Calculator
Find the final sale price and savings after any discount.
Password Generator
Create strong, secure passwords that no one can guess.
Word & Character Counter
Count words, characters, sentences, and reading time instantly.
Case Converter
Convert text to UPPERCASE, lowercase, Title Case, camelCase, and more.
Lorem Ipsum Generator
Generate placeholder text in paragraphs, sentences, or words.
Color Converter (HEX / RGB / HSL)
Convert between HEX, RGB, and HSL with live color preview.
Currency Converter
Convert between 30+ currencies with live exchange rates.
Unit Converter
Convert length, weight, temperature, volume, area, and more.
Time Zone Converter
Find the perfect meeting time across multiple time zones.
GPA Calculator
Calculate your weighted or unweighted GPA from course grades.
JSON Formatter & Validator
Format, beautify, and validate JSON with syntax error detection.
Base64 Encoder / Decoder
Encode and decode Base64 text instantly in your browser.
UUID Generator
Generate version 4 UUIDs (universally unique identifiers) instantly.
Markdown to HTML Converter
Convert Markdown to HTML with a live preview side by side.
Metric ↔ Imperial Converter
Convert between metric and imperial units with fractional inches and feet display.
Language Translator
Translate text between 30+ languages instantly and for free.
💼 Business(1)
View all →✨ Lifestyle(4)
View all →Age Calculator
Find your exact age in years, months, and days. Plus fun facts about your birth date.
Tip Calculator
Split the bill and calculate tips fast — perfect for any meal out.
Date Difference Calculator
Count the days, weeks, months, and years between any two dates.
Pregnancy Due Date Calculator
Estimate your due date, current week, and trimester.
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