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Impression vs Win32 Disk Imager: catalog facts
Impression	Win32 Disk Imager
Free Free and open source under the GPLv3.	Free Free and open source.
Linux	Windows
Minimal interface focused on one task Fits in with the GNOME desktop	Writes and reads raw images on SD cards and USB drives Can back up a card or stick to an image file
Linux only Fewer options than full-featured image writers	Windows only Reported issues with USB floppy drives and some other devices
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0	License: GPL-2.0
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

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