Last updated: October 2026. Features and prices are taken from each tool’s official website, help pages or app store listing and may change.
In this article:
Why subtitles help you learn English
Watching films, series and YouTube in English is one of the most enjoyable ways to improve, and research supports adding subtitles to it:
- ✓A meta-analysis by Montero Pérez, Van Den Noortgate and Desmet (System, 2013), which combined 18 studies, found that captioned video helps second-language listening comprehension and vocabulary learning.
- ✓A 2022 review and meta-analysis by Reynolds, Cui, Kao and Thomas (Systems) analysed 34 studies and found that watching captioned or subtitled video had a positive effect on vocabulary, with the largest effect for same-language captions, for example English video with English subtitles.
- ✓Peters and Webb (Studies in Second Language Acquisition, 2018) showed that learners picked up new words from watching a single full-length TV programme, and learned more when a word appeared more often.
The practical lesson: English subtitles on English video work best for learning, while translations are a safety net, not the main track.
Tools to learn English with subtitles: comparison table
| Tool | Best for | Works with | Free option | Paid from |
|---|---|---|---|---|
| Language Reactor | Dual subtitles on Netflix and YouTube | Netflix, YouTube in desktop Chrome | Free version available | Pro, price shown in the extension |
| BlaBlaScribe | Transcripts and subtitles for any video or audio | Video and audio files, YouTube links | 30 minutes on sign-up | $11/month (annual) |
| Lingopie | TV shows with clickable subtitles | Own library of shows, podcasts and books | 7-day trial | $13.99/month on the US App Store |
| FluentU | Short clips with quizzes and flashcards | Own clip library, web, iOS, Android | 14-day trial | $143.99/year ($29.99 monthly) |
| YouGlish | Hearing how real people say a word | YouTube clips | Free | No paid tier shown |
| Readlang | Reading with instant translations | Websites and your own texts | Free with daily limits | $6/month or $48/year |
| YouTube auto-translate | Quick translated captions on YouTube | YouTube videos with captions | Free | n/a |
1. Language Reactor: best for dual subtitles on Netflix and YouTube
Language Reactor, formerly Language Learning with Netflix, is a Chrome extension that shows English and translated subtitles at the same time on Netflix and YouTube, adds a pop-up dictionary and lets you replay each line. It has around 2 million users according to the Chrome Web Store. The Pro version adds features such as saving words across the app and exporting them to Anki.
Limitation: it works only in Chrome on a desktop or laptop, not on phones or TVs. Netflix itself lets you choose only one subtitle language at a time.
2. BlaBlaScribe: best for subtitles and transcripts of any video or podcast
Many of the best materials for learners, such as podcasts, lectures, interviews, webinars and videos you download, come without subtitles. BlaBlaScribe transcribes audio and video files or YouTube links into an English transcript with timestamps and speaker labels, then translates it into your language line by line, so you can check the original and the translation side by side. You can read the transcript while you listen, copy new words, or export SRT subtitles and watch the video with them in any player.
Pricing: the free Starter plan includes 30 minutes on sign-up without a credit card. Creator costs $11 per month billed annually ($14 monthly) with 600 minutes per month.
Limitation: it is a transcription and subtitle tool, not a course, so there are no built-in quizzes or flashcards. On the free plan, only the first 10 minutes of longer files are transcribed.
3. Lingopie: best for learning with TV shows
Lingopie is a streaming service built for language learners, with TV shows, movies, podcasts and books that have interactive subtitles: click any word to see its translation. Lingopie’s FAQ lists more than 5,000 titles across 15 languages, including English.
Pricing: a 7-day free trial; the US App Store lists subscriptions from $13.99 per month or $83.99 per year.
Limitation: you can only watch Lingopie’s own library, not Netflix or YouTube.
4. FluentU: best for structured practice with real clips
FluentU turns short real-world video clips, such as trailers, news and talks, into lessons with interactive subtitles, example sentences, personalised quizzes and spaced-repetition flashcards. It works on the web, iOS and Android.
Pricing: a 14-day free trial, then $29.99 per month or $143.99 per year.
5. YouGlish: best for pronunciation in context
YouGlish lets you type a word or phrase and instantly hear it used in real YouTube videos, with filters for accent, speaker and topic. It is ideal for checking how natives actually pronounce a difficult word or use an expression in a sentence. It is free to use.
6. Readlang: best for reading with instant translations
Readlang lets you read websites or your own texts and click any word or phrase for a translation, then saves what you looked up as flashcards. The free plan includes unlimited single-word translations and 10 phrase translations per day; Premium costs $6 per month or $48 per year. Combine it with transcripts of videos you watch to review new vocabulary as text.
7. YouTube auto-translate: best free quick option
On YouTube, click the settings icon, then Subtitles/CC, then Auto-translate, and choose your language. YouTube translates an existing caption track, either uploaded by the creator or generated automatically in the video’s original language.
Limitation: automatic captions and their translations can contain mistakes, especially with fast speech, accents and background noise.
A simple method: learning English with subtitles in 5 steps
How to choose the right tool
- ✓You watch Netflix or YouTube on a computer: Language Reactor.
- ✓You want ready-made content with clickable subtitles: Lingopie or FluentU.
- ✓You want to improve pronunciation: YouGlish.
- ✓You mainly read articles and books: Readlang.
- ✓Your favourite podcast or video has no subtitles: BlaBlaScribe to create a transcript and translated subtitles.
- ✓You want something free and instant on YouTube: YouTube auto-translate.
Frequently asked questions
Is it better to learn English with English or native-language subtitles?
Research such as the 2022 meta-analysis by Reynolds and colleagues found the largest vocabulary gains from same-language captions, so English subtitles on English video are usually better. Use native-language subtitles or translations when the content is too difficult, and switch to English subtitles as your level improves.
Can Netflix show two subtitle languages at once?
Netflix lets you choose one subtitle language at a time. To see English and translated subtitles together, learners use browser extensions such as Language Reactor on a computer.
How can I get subtitles for a podcast or video that has none?
Upload the file or paste the link into a transcription tool such as BlaBlaScribe. It creates an English transcript with timestamps that you can read while listening, translate into your language and export as an SRT subtitle file.
Can you really learn English by watching TV series?
Yes, especially vocabulary and listening skills. Studies such as Peters and Webb (2018) show that learners pick up new words from watching TV, and they learn more when they watch regularly, see words repeated and actively review new phrases.
What is the best free way to learn English with subtitles?
Combine YouTube’s free captions and auto-translate with YouGlish for pronunciation and the free plan of Readlang for vocabulary review. Language Reactor and BlaBlaScribe also have free versions with limits.
Conclusion
Subtitles turn the videos you already enjoy into English lessons. Start with English subtitles, keep translations as a backup, review the phrases you collect, and pick tools that fit where you watch: Netflix, YouTube, a learning app, or your own podcasts and recordings. A little structure on top of entertainment is often what turns watching into real progress.
