                            _     _
  ___ _ __ _   _ _ __   ___| |__ | |__   _____  __
 / __| '__| | | | '_ \ / __| '_ \| '_ \ / _ \ \/ /
| (__| |  | |_| | | | | (__| | | | |_) | (_) >  <
 \___|_|   \__,_|_| |_|\___|_| |_|_.__/ \___/_/\_\

crunch your files. keep your privacy. no uploads ever.

$ crunchbox --convert

File Tools

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Pick a tool. Drop your file. Get it back converted. Everything runs in your browser -- nothing gets uploaded anywhere.

HEIC to JPG iPhone photos to universal JPG format Compress PDF Shrink PDF file size for email and web Merge PDF Combine multiple PDFs into one file WebP to JPG Convert WebP images to universal JPG Compress Image Reduce JPG and PNG file size

About CrunchBox

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Most file converters upload your files to their servers. CrunchBox doesn't. Every conversion happens right here in your browser using WebAssembly. Your files never leave your device.

Free: 5 conversions per day. CrunchBox Pro: unlimited, $4/mo.