Free · runs in your browser

Web apps

Handy tools and games you can use right now. No sign-up, no download, and your data stays on your device.

Games

Sudoku Fresh puzzles with one solution, three levels, notes, hints, and auto-save.

Developer tools

JSON Formatter Beautify, validate, minify, and sort JSON, with line and column errors.

Utilities

QR Code Generator QR codes for text, links, Wi-Fi, email, and phone. Download PNG or SVG.