Captionz: YouTube Dual Subtitles & A-B Repeat version history - 4 versions
Captionz: YouTube Dual Subtitles & A-B Repeat by River Young
Captionz: YouTube Dual Subtitles & A-B Repeat version history - 4 versions
Be careful with old versions! These versions are displayed for testing and reference purposes.You should always use the latest version of an add-on.
Latest version
Version 1.2.1
Released Oct 12, 2026 - 32.35 KBWorks with firefox 109.0a1 and later- Auto-translate works again with YouTube's new embedded player
- Auto-translate now works when YouTube is shown in other languages (Chinese, Japanese, Korean, Spanish, French, German and more)
- Captions are saved under the correct language, so translated and auto-generated captions are no longer mixed up or saved twice
Source code released under GNU General Public License v2.0 only
Older versions
Version 1.2.0
Released Jan 25, 2026 - 28.46 KBWorks with firefox 109.0a1 and laterAdded- Options Page: New settings page allowing users to customize their experience
- Option to disable the context menu item on YouTube
- Option to hide the "Watch on Captionz" button on YouTube video pages
- Browser Action: Quick access toolbar button to open the current YouTube video directly on Captionz
Fixed- Improved styling and positioning of the "Watch on Captionz" button on YouTube video pages
Source code released under GNU General Public License v2.0 only
Version 1.0.1
Released Jan 17, 2026 - 25.6 KBWorks with firefox 109.0a1 and later- Prompt when captions is not enabled on youtube
- Add mark on captionz site when it's installed.
Source code released under GNU General Public License v2.0 only
Version 1.0
Released Jan 13, 2026 - 25.24 KBWorks with firefox 109.0a1 and laterSource code released under GNU General Public License v2.0 only