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Squoosh vs jpegoptim: catalog facts
Squoosh	jpegoptim
Free Free to use.	Free Free and open source under the GPL-3.0 licence.
Web	Windows, Linux, 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	Small, fast tool focused on one job Easy to use in scripts and batch jobs
Focused narrowly on compression and format conversion, not general image editing Best suited to single images rather than batch processing	Handles JPEG files only No graphical interface
Web application	Downloadable app
Closed source	Open source
License not stated	License: GPL-3.0
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.