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Squoosh vs Optimage: catalog facts
Squoosh	Optimage
Free Free to use.	Freemium Free for 24 images per day; a full licence costs $15.
Web	macOS
Side-by-side comparison makes it easy to judge quality versus file size trade-offs Runs entirely in the browser with no upload needed	Automatic compression at consistent visual quality Supports many image formats plus MP4, WebM and PDF
Focused narrowly on compression and format conversion, not general image editing Best suited to single images rather than batch processing	macOS only Free tier limited to 24 images per day
Web application	Downloadable app
Closed source	Closed source
License not stated	License not stated
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it 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.