7 tools
Utilities
Calculators, converters, QR codes, passwords and more.
Audio Cutter
Trim and cut audio on a waveform and export a WAV — entirely in-browser.
/audio-cutter
QR Code Generator
Generate custom QR codes with colours and error-correction, then download.
/qr-code-generator
Chart Maker
Build bar, line and pie charts from simple data and export a PNG.
/chart-maker
Unit Converter
Convert length, weight, temperature, volume, speed, data and more.
/unit-converter
Date Calculator
Find the days between dates, add or subtract time, and calculate age.
/date-calculator
Password Generator
Create strong, random passwords with a live strength meter.
/password-generator
Calculator
A fast, keyboard-friendly calculator for everyday maths.
/calculator