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Kompact vs Squoosh: catalog facts
Kompact	Squoosh
Free Free and open source under the AGPL-3.0, with no account required.	Free Free to use.
Android	Web
Fully offline, images never leave the phone Batch compression with target size and quality settings	Side-by-side comparison makes it easy to judge quality versus file size trade-offs Runs entirely in the browser with no upload needed
Android only Watermarking is limited to text	Focused narrowly on compression and format conversion, not general image editing Best suited to single images rather than batch processing
Downloadable app	Web application
Open source	Closed source
License: AGPL-3.0	License not stated
No account needed	Not stated if an account is needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked September 22, 2026

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