✅ Congratulations,
the extension has been successfully installed!
The final setting is left and you can start watching videos and learning new words:
Pin the extension to the browser bar
Two clicks and you have quick access to the last words you've looked up and the app settings. And you can move on to watching videos.
Yay, you can watch videos now!
Where to watch

A site that needs no introduction :)

What to do:

  • go to youtube.com, select the video,
  • enjoy watching and learning.

The world's most popular streaming service. Thousands of movies, shows, documentaries, and TV shows for every taste.

What to do:

  • go to netflix.com, select a video,
  • if needed, choose audio in a language you are learning, e.g. English,
  • enjoy!

Yet another famous streaming service with tons of movies, documentaries, TV shows etc.

What to do:

  • go to primevideo.com, select a video,
  • choose audio in a language you are learning, e.g. Spanish,
  • that's it!

The most popular learning platform.

What to do:

  • go to coursera.com, select the course, and start watching the first lesson,
  • done!

Learning platform from the #1 business social network.

What to do:

  • go to linkedin.com/learning, select the course, and start watching the first lesson,
  • done!
TED (Technology, Entertainment, Design) is a famous global non-profit organization that hosts conferences with the aim of spreading worthwhile ideas through short, powerful talks.

What to do:

  • go to ted.com, select a video,
  • Yo are all set!
How to watch
Place the cursor on an unfamiliar word
Everything else will work itself out:
  • the video will stop,
  • we'll show you the translation,
  • the word will be saved in your personal wordbook.
Move the cursor and playback continues. It's easy :)
Fast rewind and stop/start video
Couldn't catch the word - press the arrow ⬅️ on the keyboard or to the left of the subtitle.

If you need to stop the video manually - press the space bar on your keyboard.
Quickly review the latest looked up words
Click on the IS icon in the browser bar to open/hide the extension window with the most recently or top checked words and settings.
Remote Control for looking up words without getting off the couch
Look up the words from your smartphone. Scan the QR code on the video with your phone's camera and follow the link to Remote Control. Yay! Now you can pause or rewind the video and translate the words in the current subtitle from your phone!
How much is it
  • 14 day trial of Premium. No card needed
  • 10 word lookups a month
  • Unlimited dual subtitles
  • Auto-saving words to wordbook
  • Limited access to wordbook
$0 /mo
pay as you go
  • Packs of 100, 200 or 500 word lookups
  • Unlimited access to wordbook
  • Weekly frequent words reminder
  • Limited access to words training mobile apps and bots
from $2.5
What else you can do
What it will give you:
  • A personal account with all the words you've checked and their translations and exports,
  • 7 day trial of the Premium plan with unlimited access to all InterSub features,
  • 20 word look-ups per day on the Free plan.
Learn saved words in your favorite mobile app or Telegram bot
Several mobile apps are already connected to InterSub to help you to train saved words.

If you use another app, you can always export your words into an Excel file and load them into it.

Spread a word about us and earn bonuses
How it works:
  • A person signs up through your affiliate link,
  • When he pays for a subscription, we give him two additional weeks of access for free, and you get $5 bonuses,
  • You can use the bonuses to pay for your subscription or withdraw them.
A video platform site doesn't open
Try with VPN
If you already have it - you know what to do. If now we recommend you to install some, e.g. ZenMate. It is free with some speed limitations.

If the video lags - watch a couple of seconds with VPN, then pause, disconnect VPN and continue watching.
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