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SoundConverter vs Press: catalog facts
SoundConverter	Press
Free Free and open source under the GPL-3.0 licence.	Free Free and open source under MIT.
Linux	Linux
Reads anything GStreamer supports Multithreaded batch conversion	Processes a whole music library Offers preset and custom quality settings
Linux and GNOME focused MP3 output depends on the GStreamer LAME plugin	Only a few formats are supported out of the box.
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0	License: MIT
No account needed	Not stated if an account is needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked October 8, 2026

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