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Gaupol vs Subtitle Edit: catalog facts
Gaupol	Subtitle Edit
Free Free and open source.	Free Free and open source under the MIT licence.
Linux	Windows, macOS, Linux
Supports multiple text subtitle formats Tools for translating subtitles	Waveform and spectrogram make timing subtitles straightforward Reads and writes over two hundred subtitle formats
Text-based subtitles only, no image subtitles Mainly aimed at Linux desktops	Windows needs 10 version 22H2 or newer; older builds fail with a .NET error macOS 12 is the minimum and macOS 14 or newer is recommended
Downloadable app	Downloadable app
Open source	Open source
License not stated	License: MIT
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 21, 2026

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