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ClipQR vs Decoder: catalog facts
ClipQR	Decoder
Free Free and open source under the MIT licence.	Free Free and open source under the GPL-3.0-or-later licence.
Linux	Linux
Scans QR codes directly from the screen Also reads codes from a camera	Scans from a camera or a screenshot Generates QR codes as well as reading them
Linux only Little documentation in the research	Linux only Focused on QR codes rather than other barcode types
Downloadable app	Downloadable app
Open source	Open source
License: MIT	License: GPL-3.0-or-later
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 1, 2026	Official website Full listing and sources Checked October 1, 2026

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