+Sub

Load subtitle to a HTML5 video.
What is +Sub?
'+Sub' is a Firefox add-on that enables users to effortlessly load subtitles onto any video across various platforms like Netflix, Amazon Video, and Youtube among others. Not only does this plugin support subtitle loading from local machine files, but also allows users to search and select subtitles powered by tmdb and opensubtitles. '+Sub' offers additional features like subtitle synchronization with the video, transcript display from the subtitle, and support iframe videos.
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Add-on stats

Users: 605 ▲ 5
Rating: 4.33 (15)
Version: 6.5.6 (Last updated: 2024-01-16)
Creation date: 2018-11-15
Weekly download count: 18
Firefox on Android: No
Risk impact: Moderate risk impact
Risk likelihood: Low risk likelihood
Manifest version: 2
Permissions:
  • activeTab
  • storage
  • https://*.plus-sub.com/*
  • https://gqlos.plus-sub.com/*
  • https://*.opensubtitles.org/**/*
  • https://*.opensubtitles.com/**/*
  • webRequest
Size: 777.87K

Ranking

# 4071 ▼ 14
Other rankings
#80 in loading keyword 20 ▲ 1 #160 in iframe keyword 11

Other platforms

+Sub (v6.5.2)
3.82 (118) 10,000
Not available on Edge
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Add-on summary

Analyze keywords

Load subtitle into any video.

Add a subtitle, with a few clicks, to the current video.

By using +Sub, you can search and select your desired subtitle which will be displayed on the video.

This plugin supports Amazon Video, Netflix, Youtube and many more.

You can either way to use the built-in search (powered by tmdb and opensubtitles), to search your desired movie in the desired language or you can simply use the file dialog to add any subtitle on your local machine.

+Sub has the capability to synchronize the subtitle with the given video. You can simply adjust the offset time in the +Sub Dialog, which will directly applied to the subtitle.

+Sub has can show the transcript from the given subtitle, which is even copyable with shift+left-click.

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 on Paramount Plus
  • Excellent service and functionality
  • Small set of permissions required
  • Lifesaver for expats needing English subtitles
Cons
  • Doesn't function well on Netflix, especially in fullscreen
  • Issues on Dailymotion due to site CSS
  • Subtitles can disappear or be positioned incorrectly
  • Settings and adjustments can be difficult to manage
Most mentioned
  • Problems with Netflix functionality
  • Working well on other platforms like Paramount Plus
  • Need for manual subtitle positioning
  • Suggestions for improving subtitle timing and display options
Recent reviews
by m47s90, 2024-08-19
by m47s90, 2024-08-19
by Firefox user 13521523, 2024-02-16
View all user reviews

Add-on safety

Risk impact

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

Risk likelihood

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

Upgrade to see risk analysis details