JPEG Lossless Recompression is unclaimed —
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JPEG Lossless Recompression
Future of image compression with utmost respect to our digital heritage.·brunsli.dev
A browser-based tool that losslessly converts JPEG (.jpg) files into the Brunsli (.brn) format, reducing file size by about 22% while preserving all original image data byte-by-byte. The conversion runs entirely locally in the browser using WebAssembly, so images are never uploaded to a server. Currently only .jpg files are supported; .png and .gif are not.
What it's for
Losslessly recompressing JPEG photographs to reduce file sizePreserving digital photographic heritage without quality lossConverting .jpg files to the .brn format locally in-browser
Features 7
- Converts .jpg files to .brn format
- Currently supports only .jpg input (no .png or .gif support)
- Drag-and-drop file conversion demo
- Lossless recompression preserving byte-by-byte integrity
- No images uploaded to servers
- Reduces JPEG file size by 22%
- Runs locally in the browser via WebAssembly
At a glance
TypeWeb app
DeploymentCloud
PlatformsWeb
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