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USBImager vs Impression: catalog facts
USBImager	Impression
Free Free and open source under the MIT licence.	Free Free and open source under the GPLv3.
Windows, macOS, Linux	Linux
Writes compressed images without unpacking first Runs on Windows, Linux and macOS	Minimal interface focused on one task Fits in with the GNOME desktop
Deliberately minimal feature set Writing to the wrong drive erases it	Linux only Fewer options than full-featured image writers
Downloadable app	Downloadable app
Open source	Open source
License: MIT	License: GPL-3.0
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 23, 2026

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