
Dualsub - Dual Subtitles for YouTube by Dualsub Studio
Available on Firefox for Android™Available on Firefox for Android™
Display dual subtitles on video websites.
You'll need Firefox to use this extension
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About this extension
Display dual subtitles on video websites.
Originally designed for YouTube, now supports multiple video websites, full list.
Uses a standalone subtitle renderer that doesn't affect the video website's built-in subtitle functionality.
Less than 40KB, lightweight, simple, and efficient.
Originally designed for YouTube, now supports multiple video websites, full list.
Uses a standalone subtitle renderer that doesn't affect the video website's built-in subtitle functionality.
Less than 40KB, lightweight, simple, and efficient.
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Permissions and dataLearn more
Required permissions:
- Access your data for sites in the dualsub.xyz domain
- Access your data for www.youtube.com
- Access your data for m.youtube.com
- Access your data for www.ardmediathek.de
- Access your data for www.bilibili.com
- Access your data for www.coursera.org
- Access your data for www.iflix.com
- Access your data for www.iq.com
- Access your data for www.udemy.com
- Access your data for www.viki.com
- Access your data for www.youku.tv
- Access your data for www.zdf.de
- Access your data for wetv.vip
More information
- Add-on Links
- Version
- 2.62.2
- Size
- 35.61 KB
- Last updated
- 6 days ago (Jun 24, 2025)
- Related Categories
- License
- All Rights Reserved
- Version History
- Tags
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Release notes for 2.62.2
- Maintenance update.
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