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Squoosh vs Rimage: catalog facts
Squoosh	Rimage
Free Free to use.	Free Free and open source, dual-licensed under Apache 2.0 and MIT.
Web	Windows, Command line
Side-by-side comparison makes it easy to judge quality versus file size trade-offs Runs entirely in the browser with no upload needed	Modern codecs for small output files Scriptable from the command line
Focused narrowly on compression and format conversion, not general image editing Best suited to single images rather than batch processing	No graphical interface No tagged releases on GitHub
Web application	Downloadable app
Closed source	Open source
License not stated	License: Apache-2.0 OR MIT
Not stated if an account is needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked October 2, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.