Free Tools
No install, use online — a growing collection of handy tools
QR Code Generator
Turn a URL, text, phone or email into a downloadable QR code in one click.
Image Compressor
Compress JPG/PNG/WebP right in your browser — files never upload, fully private.
BMI Calculator
Enter your height and weight to get your BMI and weight category instantly.
Loan / Mortgage Calculator
Enter amount, rate and term to get the monthly payment, total interest and total repaid.
Age Calculator
Enter your birth date to get your exact age, total days lived and days to your next birthday.
JSON Formatter / Validator
Paste JSON to beautify, minify and validate — runs locally, your data stays private.
Word Counter
Count words, characters, sentences and paragraphs in real time — great for writing.
Percentage Calculator
Three modes: percent of a value, what-percent ratio, and percent change.
Password Generator
Generate strong random passwords with custom length and character types — fully private.
Random Number / Picker
Generate a random number in a range, or randomly pick one name from a list.
Social Media Image Sizes
Look up the latest recommended image sizes for Facebook, Instagram, YouTube, LINE and more.
Unix Timestamp Converter
Convert timestamps to dates and back, with a live current timestamp and auto s/ms detection.
Countdown Timer
Set a target date and count down the days, hours, minutes and seconds live.
Invoice / Tax (VAT) Calculator
Enter an amount to get the net, tax (5%) and gross total — handy for quotes and invoices.
Unit Converter
Convert length, weight and temperature instantly — common units in one place.
Number to Chinese Amount
Convert a numeric amount into the formal Chinese capital characters used on cheques.
Color Converter
Convert between HEX, RGB and HSL instantly, with a color picker and one-click copy.
Base64 Encoder / Decoder
Convert text to and from Base64 instantly, with UTF-8 support — runs locally.
URL Encoder / Decoder
Percent-encode and decode URLs and text instantly, with full UTF-8 support.
SHA Hash Generator
Generate SHA-1/256/384/512 hashes from text instantly, fully in-browser.
Text Case Converter
Convert text to UPPERCASE, lowercase, Title Case or Sentence case in one click.