Lexigo vs Language Reactor
Both are browser extensions for language learners, but they work on different things. Language Reactor adds dual subtitles and a pop-up dictionary to Netflix and YouTube. Lexigo works on the English you read on any web page, and saving words is free.
Which one fits you?
Choose Lexigo if…
- You learn English by reading: news, email, docs
- You want to save and review words for free
- You want the meaning of a word in its sentence
Choose Language Reactor if…
- You learn by watching Netflix or YouTube
- You want two subtitle tracks side by side
- You are learning a language other than English
They don’t get in each other’s way: use both, one for shows and one for reading.
One works on what you read, one on what you watch
Both let you look a word up where you found it. They live on different pages.
Lexigo- Read any web page
- Select a word
- Save it free, with its sentence
- Review before you forget
- Open a show on Netflix or YouTube
- Follow two subtitle tracks
- Click a word in the subtitles
- Save with Pro, review on its site
Side by side
| Feature | Lexigo | Language Reactor |
|---|---|---|
| Learning | ||
| Where it works | Any web page Articles, news, email, docs | Netflix and YouTube Plus a text mode on its site for text you import |
| Looking a word up | Select it A tooltip opens next to the word | Click it in the subtitles A pop-up dictionary opens |
| Languages you can learn | With limits: English only | Yes: Many The subtitles of the show you watch |
| Translation into your language | Yes: Yes Into 19 languages | Yes: A second subtitle track Machine translation, when a title has none, is a Pro feature |
| Meaning in context | Senses, IPA, audio and AI An optional AI explanation of the word in its sentence | Pop-up dictionary On the subtitle words |
| Your words | ||
| Saving words | Yes: Free With its sentence and page (free account) | With limits: A Pro feature According to its FAQ |
| Reviewing saved words | Yes: Spaced repetition In the web app, also on phones | Yes: Flashcards On languagereactor.com; saved words can be exported |
| Access | ||
| Browsers | Chrome, Edge and Firefox | Chrome On Windows and macOS, per its store listing |
| Price | Free Every feature | Free mode, plus Pro A paid subscription with a free trial |
Facts about Language Reactor checked on November 5, 2026, from its own pages. Something changed? Tell us at hello@lexigo.wiki.
Frequently asked questions
Is Lexigo a Language Reactor alternative?
For reading, yes: Lexigo works on any web page, not on video subtitles. If you want dual subtitles on Netflix or YouTube, Lexigo doesn’t do that, and Language Reactor does.
What does Language Reactor do better?
Learning from video. It started as “Language Learning with Netflix”: it shows two subtitle tracks at once on Netflix and YouTube, lets you click any subtitle word and works for many languages. Its FAQ says it doesn’t support Disney+, Amazon Prime or Android.
What does Lexigo do better?
Learning from what you read. Select a word on any page to see its translation, every sense, its pronunciation and an AI explanation. Saving it is free, and it comes back in spaced-repetition reviews and in a weekly news digest at your level. It runs in Chrome, Edge and Firefox.
Can I save words for free?
In Lexigo, yes: saving words and reviewing them is free with a free account. In Language Reactor, its FAQ lists saving words and phrases as a Pro feature.
Does Lexigo work on Netflix or YouTube subtitles?
Lexigo is made for text on web pages, not for video subtitles. For Netflix and YouTube, an extension like Language Reactor is the better fit.
Which languages can I learn?
Lexigo teaches English, with translations and the app in 19 languages. Language Reactor works with the subtitles of the show, so it covers many languages.
Can I use both?
Yes. They work on different things (Lexigo on the pages you read, Language Reactor on Netflix and YouTube), so they don’t get in each other’s way.
Learn the English you read
Select any word on a page, understand it on the spot, and keep the ones worth keeping. Free, in Chrome, Edge and Firefox.