Dualsub - Dual Subtitles for YouTube

Display dual subtitles, use machine translation and speech recognition to generate subtitles.
What is Dualsub - Dual Subtitles for YouTube?
Dualsub - Dual Subtitles for YouTube is a Firefox add-on that allows users to display dual subtitles on YouTube videos, using machine translation and speech recognition to generate subtitles. It supports various browsers and video websites, with different modes catering to different user scenarios. For more information, visit https://www.dualsub.xyz/.
Download

Add-on stats

Users: 4,798 ▼ -4
Rating: 4.40 (97)
Version: 2.47.1 (Last updated: 2024-11-03)
Creation date: 2018-10-03
Weekly download count: 174
Firefox on Android: Yes
Risk impact: Very high risk impact
Risk likelihood: Moderate risk likelihood
Manifest version: 3
Permissions:
  • storage
Host permissions:
  • https://api.dualsub.xyz/*
Size: 46.29K
URLs: Website

Ranking

# 1163 ▲ 4
Other rankings
Upgrade to see more rankings

Other platforms

Dualsub - Dual Subtitles for YouTube (v2.47.0)
3.69 (418) 100,000
Dualsub - Dual Subtitles for YouTube (v2.47.1)
4.20 (39) 44,907
Want to check extension ranking and stats more quickly for other Firefox add-ons? Install Chrome-Stats extension to view Chrome-Stats data as you browse the Firefox Browser Add-ons.
Chrome-Stats extension

Add-on summary

Analyze keywords

Use Dualsub to display dual subtitles on YouTube.

Quick Start

Perhaps your requirement is simple: to have YouTube's native subtitles display two languages.

For example, to display subtitles with Chinese on top and English at the bottom:

  1. Open a YouTube video page, and turn on YouTube's native subtitles.
  2. Open the Dualsub popup page, and switch to the Native Mode tab.
  3. On the row 1, the Subtitle File menu, select Chinese.
  4. On the row 2, the Subtitle File menu, select English.

You can select to use human-translated subtitles, or machine-translated subtitles.

See more

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
  • Works well for learning languages
  • Automatically displays subtitles for videos
  • Useful comparisons of languages
  • Functional on multiple platforms including mobile
  • Supports a variety of languages
Cons
  • Issues with server response and usage limits for some languages
  • Requires manual language setting for each video
  • Overlapping subtitles when multiple types are enabled
  • Lack of automatic subtitle detection for foreign languages
  • Absence of a better tutorial for new users
Most mentioned
  • Useful for learning languages
  • Problems with server response
  • Manual resetting of languages
  • Overlapping subtitles
  • Need for better user guidance
Recent reviews
by Firefox user 18614545, 2024-09-28
好
by bufan, 2024-09-02
it's works fine in every site videos, I'm use it in coursera👌
by Alr86, 2024-08-20
View all user reviews

Add-on safety

Risk impact

Dualsub - Dual Subtitles for YouTube requires a lot of sensitive permissions. Exercise caution before installing.

Risk likelihood

Dualsub - Dual Subtitles for YouTube is probably trust-worthy. Prefer other publishers if available. Exercise caution when installing this add-on.

Upgrade to see risk analysis details