+Sub

Load subtitle to a HTML5 video.

Load Subtitles Effortlessly

+Sub is a Chrome extension designed to enhance your video-watching experience by allowing you to load subtitles into any HTML5 video. Whether you're on Netflix, Amazon Video, or YouTube, adding subtitles has never been easier.

Key Features:

  • Easy Subtitle Addition: Search and select your desired subtitles with just a few clicks.
  • Multiple Source Support: Utilize built-in search powered by TMDb and OpenSubtitles, or upload your local subtitle files.
  • Synchronization: Adjust subtitle timing directly in the +Sub dialog for perfect synchronization.
  • Accessible Transcript: Access a copyable transcript of subtitles, with quick navigation to sections of the video.
  • Format Support: Compatible with various subtitle formats including .srt, .vtt, .ass, and .ssa.
  • IFrame Support: Works with embedded videos in blogs and other platforms.

For more information, visit our GitHub page or join us on Discord, where you can ask questions and connect with other users!

Manifest V3
Users: 10,000+
Rating: 3.79
(123)
Version: 6.5.2 (Last updated: 2023-10-03)
Creation date: 2018-11-13
Permissions:
  • webNavigation
  • scripting
  • storage
  • activeTab
Host permissions:
  • https://*/
Size: 755.71K
Full description: See detailed description
Updated: 14 hours ago

Other platforms

+Sub (v6.5.6)
633 4.22 (18)

User reviews

Pros
  • Works well on most streaming platforms
  • Good subtitle overlay that integrates well with videos
  • Responsive support for mobile devices
  • Useful for watching movies with subtitles
  • Compatible with various languages
Cons
  • Frequently reported issues with subtitles not appearing
  • Not functioning on certain platforms (e.g., Disney+)
  • Problems with subtitle detection and timing
  • Intermittent functionality; users mention it stops working unexpectedly
  • Some users request additional features, such as keyboard shortcuts or language support
Most mentioned
  • Not working anymore
  • Subtitles not appearing or not being detected
  • Awesome for watching from the web
  • Great for language learning
  • Responsive for mobile usage but has some issues
These summaries are automatically generated weekly using AI based on recent user reviews. User reviews may be inaccurate, spammy, or outdated.
User reviews
No movie or series found, on anything I tried it on.
by Chris Vydas, 2025-02-04

Doesn't work anymore. After selecting the subtitles nothing happens, they're not visible.
by ad, 2025-01-02

not working anymore
View all user reviews

Extension safety

Risk impact

+Sub requires a few sensitive permissions. Exercise caution before installing.

Risk impact analysis details
  • Critical Allows access to all websites, posing a significant security risk as it can monitor and modify data from any visited site.
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Risk likelihood

+Sub has earned a good reputation and can be trusted.

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

+Sub marquee promo image
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