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Preview of Dualsub - Dual Subtitles for YouTube

Dualsub - Dual Subtitles for YouTube by Dualsub Studio

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
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.

Free Features (processed locally in your browser):
  • Load and display subtitle files from video websites.
  • Use YouTube's built-in auto-translate function.

Also offers paid features such as "LLM Translation", learn more.
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PermissionsLearn more

This add-on needs to:

  • Access your data for www.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 m.youtube.com
  • Access your data for wetv.vip

This add-on may also ask to:

  • Access your data for api.dualsub.xyz
More information
Add-on Links
Version
2.59.3
Size
34.13 KB
Last updated
5 days ago (May 7, 2025)
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License
All Rights Reserved
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Release notes for 2.59.3
  • Maintenance update.
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