Free Online Tools
A collection of fast, free utilities that run entirely in your browser. No sign-up required — just pick a tool and get started.
Image & Media
Convert, resize, and edit images right in your browser.
Image Converter
Convert images between PNG, JPEG, and WebP formats instantly in your browser.
Image Compressor
Reduce image file size without uploading. Adjust quality and compare savings.
Image Resizer
Resize images to exact pixel dimensions or a percentage of the original size.
Image Cropper
Crop images to a custom rectangle or circle. Perfect for profile photos, thumbnails, and avatars.
Image Aspect Ratio Finder
Upload an image to find its aspect ratio, pixel dimensions, orientation, and closest common ratio (16:9, 4:3, 1:1, and more).
Background Remover
Make solid or simple backgrounds transparent. Adjust tolerance, soft edges, and download a PNG.
Favicon Generator
Create favicons from images, text, or emoji. Download a complete package with ICO, PNG, Apple Touch Icon, Android icons, and web manifest.
JPG to PNG Converter
Convert JPEG images to PNG format with transparency support.
PNG to JPG Converter
Convert PNG images to JPEG format and reduce file size.
PNG to WebP Converter
Convert PNG images to modern WebP format for faster loading.
WebP to PNG Converter
Convert WebP images to universally compatible PNG format.
QR Code Generator
Create QR codes for URLs, text, WiFi, and more. Download as PNG.
Color Converter
Convert between HEX, RGB, and HSL color formats with a live preview.
PDF Tools
Merge PDFs, extract pages, or turn images into a PDF — all in your browser.
EXIF Metadata Viewer
Inspect image EXIF data and download a JPEG copy with metadata removed.
Randomizers & Games
Pick winners, shuffle lists, and roll the dice.
Random Name Picker
Spin the wheel to randomly pick a name or winner from your list.
Random Number Generator
Generate random numbers within a custom range. Pick one or many at once.
Coin Flip
Flip a virtual coin — heads or tails. Fast, fair, and fun.
Dice Roller
Roll virtual dice — choose how many dice and sides. Perfect for games.
List Shuffler
Randomly shuffle any list into a new order.
Split into Teams
Randomly divide a list of names or items into balanced teams.
Yes or No Picker
Can't decide? Let fate choose yes or no for you with one click.
Sudoku
Play classic Sudoku with easy, medium, and hard puzzles. Notes, conflict highlights, and keyboard support.
Wordle
Guess the 5-letter word in six tries. Green means correct, yellow means wrong spot.
Text & Writing
Format, count, and transform text.
Word Counter
Count words, characters, sentences, and paragraphs. Includes reading time.
Notepad
A simple notepad that autosaves in your browser. Copy or download your notes anytime.
Case Converter
Convert text to uppercase, lowercase, title case, sentence case, and more.
Remove Duplicate Lines
Remove duplicate lines from any list. Optionally sort alphabetically.
Text Diff Compare
Compare two blocks of text side by side and highlight the differences.
Code Comparison
Compare two code snippets side by side with line numbers and highlighted additions and removals.
Lorem Ipsum Generator
Generate placeholder text for designs, mockups, and prototypes.
JSON Formatter
Format, validate, and minify JSON. Syntax highlighting for easy reading.
JSON Generator
Generate mock JSON data from a custom schema. Perfect for APIs, prototypes, and testing.
Base64 Encoder / Decoder
Encode text to Base64 or decode Base64 strings back to plain text.
Markdown Editor
Write Markdown and preview the rendered HTML side by side in your browser.
Regex Tester
Test regular expressions against sample text with live match highlighting.
Hash Generator
Generate MD5, SHA-1, SHA-256, and other hashes from text or files.
UUID Generator
Generate random UUID v4 identifiers one at a time or in bulk.
Calculators
Quick math and unit conversion tools.
Password Generator
Generate strong, random passwords with customizable length and characters.
Unit Converter
Convert length, weight, temperature, and volume between common units.
BMI Calculator
Calculate your Body Mass Index from height and weight in metric or imperial.
Age Calculator
Calculate your exact age in years, months, and days from your birthdate.
Days Between Dates
Calculate the number of days, weeks, and months between two dates.
Percentage Calculator
Find percentages, calculate increases/decreases, and solve percent problems.
Fraction ↔ Decimal Converter
Convert decimals to simplified fractions and fractions to decimals. Supports mixed numbers.
Tip Calculator
Calculate tip amount and split the bill between multiple people.
Loan Calculator
Calculate monthly payments, total interest, and amortization for loans.
Debt Payoff Calculator
Plan payoff for multiple debts with the avalanche method, extra payments, and a fixed or shrinking monthly budget.
Mortgage Calculator
Free mortgage payment calculator — estimate monthly P&I, total interest, and payments with taxes and insurance.
Compound Interest Calculator
Calculate compound interest and future value with optional monthly contributions. Free online savings growth tool.
ROI Calculator
Calculate return on investment (ROI) and annualized ROI from your initial cost and final value or gain.
Retirement Savings Calculator
Project your retirement nest egg from current savings, monthly contributions, and expected annual return.
Budget Calculator
Build a simple monthly budget — track income vs expenses and see how much you have left over.
Sales Tax Calculator
Add or remove sales tax from a price. Instantly calculate tax amount and totals for any rate.
Income Tax Estimator
Estimate U.S. federal income tax from taxable income using current tax brackets. Free rough calculator — not tax advice.
Currency Converter
Convert between world currencies with a live or manual exchange rate. Fast free FX calculator in your browser.
Salary to Hourly Converter
Convert annual salary to hourly wage (and back). See monthly, biweekly, weekly, and hourly pay instantly.
Inflation Calculator
See how inflation changes purchasing power over time. Compare dollar values between years at any inflation rate.
Dollar Buying Power Calculator
Find out how much money from one year is worth in another using historical U.S. CPI data — what a dollar was worth then vs now.
Refinance Calculator
Compare your current loan to a refinance offer — monthly savings, break-even time, and total interest.
Credit Card Payoff Calculator
Estimate how long to pay off a credit card balance and total interest at your monthly payment and APR.
Down Payment Calculator
Calculate down payment amount, percent, or affordable home price from the numbers you know.
Amortization Schedule Calculator
Generate a full loan amortization schedule with monthly principal, interest, and balance. Download as CSV.
Net Worth Calculator
Add up assets and liabilities to calculate your net worth. Free personal balance sheet tool — private in your browser.
Emergency Fund Calculator
Find your emergency fund target from monthly expenses and months of coverage. Track how much you still need.
401(k) Contribution Calculator
Estimate employee and employer 401(k) contributions with match rules, plus optional growth projection.
APR Calculator
Estimate the true APR of a loan including fees and points — compare stated interest rate vs real cost.
Discount & Markup Calculator
Calculate sale price after a discount, markup from cost, or selling price from desired profit margin.
Break-Even Calculator
Find break-even units and revenue from fixed costs, variable cost per unit, and selling price.
Timezone Converter
Convert a date and time between time zones and check the time around the world.
Stopwatch & Timer
Run a stopwatch with laps or set a countdown timer — all in your browser.