Small apps that do one job well.
Free tools that run right in your browser. No accounts, no uploads: your files never leave your device.
Circuit Challenge
A tile puzzle game in the style of the 1990 Windows classic: collect chips, dodge monsters and reach the exit. Includes save states.
PDF Editor
Edit, sign, annotate, merge, split, compress and convert PDFs. Includes Word conversion and OCR.
Audio Converter
Convert audio between MP3, FLAC, WAV, M4A, Ogg, Opus and more, right in your browser. Keeps tags and cover art.
YouTube Downloader
Paste a YouTube link and save it as MP4 or WebM video, or as MP3 or M4A audio. Uses a Sudify server to fetch the video.
Image Compressor
Shrink PNG, JPEG, WebP and AVIF files, or convert between JPEG, PNG, WebP, AVIF, JPEG XL, GIF, HEIC, TIFF, ICO and more.
JSON Formatter
Format, validate, minify and explore JSON. Finds errors by line and column, repairs common mistakes, and keeps big numbers exact.