Interactive Dual Subs for Languages Learning

Translate English, Spanish etc. words instantly in dual subtitles with AI on YouTube, Netflix, Prime Video, Crunchyroll, Coursera, Udemy. Then memorize on the go.

Interactive Dual Subs for Language Learning

Elevate your language skills with InterSub, the innovative Firefox add-on that brings bilingual subtitles to your favorite streaming platforms like YouTube, Netflix, and more. Enjoy AI-powered translations and real-time definitions, making language learning fun and effective!

Key Features:

  • Dual Subtitles: Experience both native and target languages simultaneously.
  • AI Language Buddy: Get instant explanations for unfamiliar words.
  • Vocabulary Builder: Automatically save new words and sync with Anki apps.
  • Multi-Platform Support: Available on YouTube, Netflix, Prime Video, and more.

Why Choose InterSub?

Transform your leisure time into an immersive learning experience. Designed for students, professionals, and cultural enthusiasts, InterSub helps you learn without dedicated study time! Start exploring new languages through entertainment today!

Manifest V2
By:
InterSub
Daily users:
759 40
Version:
4.1.0 (Last updated: 2025-04-09)
Version code:
5926852
Creation date:
2023-12-22
Permissions:
  • storage
  • unlimitedStorage
  • https://*.intersub.cc/*
  • https://analytics.google.com/*
  • https://hls.ted.com/*
  • https://*.nflxvideo.net/*
  • https://*.2sub.movie/*
  • https://*.2sub.pro/*
  • https://*.voidboost.com/*
  • https://*.pv-cdn.net/*
  • See more
Size:
2.63M
Full description:
See detailed description
Updated:
a day ago

Other platforms

User reviews

Pros
  • Great features for language learning
  • Works well with YouTube
  • Has automatic subtitle translation options
Cons
  • Mandatory credit card info required to access the dashboard
  • Limited compatibility (does not work with Amazon Prime)
  • Issues with cursor sensitivity and auto-pause function
Most mentioned
  • Mandatory credit card information before accessing features
  • Limited platform compatibility (specifically Amazon Prime)
  • Desire for improved control over subtitle display options
These summaries are automatically generated weekly using AI based on recent user reviews. User reviews may be inaccurate, spammy, or outdated.
User reviews
by uzaylul, 2025-04-12


View all user reviews

Add-on safety

Risk impact
Very high risk impact

Interactive Dual Subs for Languages Learning requires a lot of 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.
  • Critical ******* ****** ** *** ********* ******** ************ *********** ******** ************** *********** ********* ************** *********** ************* ******************* **************** **************** ************************ ************** *************** ************ ************** *************** **************** ***************** ****************** **************** ********* ********** *************** *********** ****** ********** ****** ********
  • High ******* ******* **** *** ****** ***** *** ***** ** ******* **** ********* ********* ** * *********** *****
Risk likelihood
Moderate risk likelihood

Interactive Dual Subs for Languages Learning is probably trust-worthy. Prefer other publishers if available. Exercise caution when installing this add-on.

Risk likelihood analysis details
  • High This extension was recently updated in the past month. New updates may not be stable or safe.
  • High **** ********* *** *** **** ****** ********* ********** *** *** ** ****** ** *****
  • Low **** ********* *** ***** **** **** * ****** **** ***** ********** *** **** ****** ** ** ****** *** *****
  • Good **** ********* *** **** **** *******
Upgrade to see full risk analysis details

Similar add-ons

Here are some Firefox add-ons that are similar to Interactive Dual Subs for Languages Learning:

OKX Wallet OKX Wallet
OKX
15 5.00 (2)
Do I own this game? Do I own this game?
Adishone
15 3.67 (3)
CrossTracker CrossTracker
CrossTracker
1 0.00 (0)
Dark Mode Pro Dark Mode Pro
Kelvin Ward
- 0.00 (0)
Visilant Visilant
Xcoder
1 5.00 (1)
AI Anywhere for ChatGPT AI Anywhere for ChatGPT
Juraj Mäsiar
2K 4.62 (26)
YouTube Fast Forward & Rewind YouTube Fast Forward & Rewind
Laskco
166 5.00 (9)
Free VPN Free VPN
1VPN
24K 4.03 (257)