Run Dropbox compression Dropbox has open-sourced its very own compression code. Available on GitHub the "Lepton" code “... achieves a 22% savings reduction for existing JPEG images, by predicting coefficients in JPEG blocks and feeding those predictions as context into an arithmetic coder." Dropbox's announcement of the release explains the tech in …
That use case is specific to dropbox like services, with few other uses.
You wouldn't want to decompress the jpeg every time before sending it to a browser, and we're pretty much stuck with jpeg on the web because it's lowest common denominator.
For local uses and archive, you'd be better off with a more modern image format, only exporting to jpeg for publishing on the web.
The Register 
Biting the hand that feeds IT
Copyright. All rights reserved © 1998–2024
