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Squash vs PicGuard: catalog facts
Squash	PicGuard
Paid Paid app, with additional effect packs sold separately.	Freemium Free without ads; a paid Pro version adds font, size and spacing options.
macOS	Android, Web
Batch resize, convert and compress in one step Removes or edits private metadata	Images are processed locally and never uploaded Customizable watermark color and opacity
macOS only Extra effect packs cost more	Font and spacing options require the paid Pro version Focused on watermarking only, not general editing
Downloadable app	Downloadable app, Web application
Closed source	Open source
License not stated	License: GPL-3.0
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.