YouTube™ dual subtitles

Automatically switch to local language, bilingual subtitles, subtitle download, subtitle dubbing, custom subtitle style. Default subtitles: Set the translation language.

YouTube™ Dual Subtitles: Bilingual Subtitle Firefox Add-On

"YouTube™ dual subtitles" is a Firefox extension designed for effortless toggling between bilingual and single subtitles. It allows the setting of default translation language, downloading both video and translated subtitles in .txt and .srt formats, and modifying subtitle styles - including font size, color, order, and spacing. It features locks for video quality, autoplay, subtitle status, and position for optimized user control. It also supports the copying of subtitle text.

Add-on stats

Manifest V2
Daily users: 2,691
-10
Version: 3.6.7 (Last updated: 2022-08-27)
Version code: 5450189
Creation date: 2022-08-26
Weekly download count: 148
Firefox on Android: No
Permissions:
  • storage
  • declarativeContent
  • contextMenus
  • fontSettings
  • https://www.youtube.com/
  • https://www.youtube-nocookie.com/
Size: 128.07K
URLs: Website
Full description: See detailed description

Other platforms

YouTube™ Dual Subtitles (v3.7.3)
300,000 3.92 (1,150)
Not available on Android
YouTube™ bilingual subtitles (v3.6.7)
143,520 4.50 (119)

User reviews

These summaries are automatically generated weekly using AI based on recent user reviews. Firefox Browser Add-ons does not verify user reviews, so some user reviews may be inaccurate, spammy, or outdated.
Pros
  • Excellent for viewing dual subtitles, especially for language learners
  • Easy to use with satisfying results
  • Highly recommended as a must-have add-on for YouTube
  • Works well without major issues
Cons
  • Font selection is limited to only one font
  • Subtitles cannot be prolonged for readability, and preferenced subtitles do not always show if timestamps differ
  • Conflicts with other add-ons that use the same keyboard shortcuts for playback speed control
  • No updates or support for custom font weights
Most mentioned
  • Need for improved font customization options
  • Desire for subtitle prolongation features
  • Issues with subtitle syncing when timestamps differ
User reviews
by lasu, 2025-03-07

What would be amazing is we could put link for our local LLM to do translation
by nafrl, 2025-02-21

View all user reviews

Add-on safety

Risk impact

YouTube™ dual subtitles requires a few sensitive permissions. Exercise caution before installing.

Risk impact analysis details
  • Critical Request access to the following domains: youtube.com, youtube-nocookie.com
  • High ******* ******* **** *** ****** ***** *** ***** ** ******* **** ********* ********* ** * *********** *****
Risk likelihood

We don't have sufficient data to confidently determine the risk likelihood of YouTube™ dual subtitles. Use it at your own risk.

Risk likelihood analysis details
  • High This extension has low user count. Unpopular extensions may not be stable or safe.
  • Low **** ********* *** ******* **** **** * ****** **** ***** ******** *** **** ****** ** ** ****** *** *****
  • Low **** ********* *** ***** **** **** * ****** **** ***** ********** *** **** ****** ** ** ****** *** *****
  • Good **** ********* *** **** **** *******
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