Compare software

Jubler vs Gaupol: catalog facts
Jubler	Gaupol
Free Free and open source under the AGPL-3.0, funded by donations.	Free Free and open source.
Windows, macOS, Linux, Command line	Linux
Supports more than 20 subtitle formats Video preview, waveform and draggable timeline	Supports multiple text subtitle formats Tools for translating subtitles
Text-based subtitles only Translation mode relies on Azure Translator	Text-based subtitles only, no image subtitles Mainly aimed at Linux desktops
Downloadable app	Downloadable app
Open source	Open source
License: AGPL-3.0	License not stated
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.