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Subtitle Edit vs Subtitle Composer: catalog facts
Subtitle Edit	Subtitle Composer
Free Free and open source under the MIT licence.	Free Free and open source.
Windows, macOS, Linux	Windows, Linux
Waveform and spectrogram make timing subtitles straightforward Reads and writes over two hundred subtitle formats	Waveform view for precise timing Two subtitles side by side for translation
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	No macOS build listed Handles text-based subtitles only
Downloadable app	Downloadable app
Open source	Open source
License: MIT	License not stated
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked September 21, 2026	Official website Full listing and sources Checked September 24, 2026

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