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Squash vs Optimage: catalog facts
Squash	Optimage
Paid Paid app, with additional effect packs sold separately.	Freemium Free for 24 images per day; a full licence costs $15.
macOS	macOS
Batch resize, convert and compress in one step Removes or edits private metadata	Automatic compression at consistent visual quality Supports many image formats plus MP4, WebM and PDF
macOS only Extra effect packs cost more	macOS only Free tier limited to 24 images per day
Downloadable app	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 October 2, 2026	Official website Full listing and sources Checked October 2, 2026

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