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Squash vs XnConvert: catalog facts
Squash	XnConvert
Paid Paid app, with additional effect packs sold separately.	Free Free to download and use, per the developer.
macOS	Windows, macOS, Linux, Android
Batch resize, convert and compress in one step Removes or edits private metadata	More than 80 chainable batch actions Broad format support including RAW, HEIC, AVIF and JPEG-XL
macOS only Extra effect packs cost more	Closed source Focused on batch work rather than editing single images by hand
Downloadable app	Downloadable app
Closed source	Closed source
License not stated	License not stated
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 October 2, 2026	Official website Full listing and sources Checked September 23, 2026

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