Just pause YouTube. Get instant explanations and save to flashcards.
Save any phrase as a flashcard with one click, then review it with spaced repetition on any device, anytime.
Pause a YouTube video to get instant translations and a word-by-word breakdown. Open Details for grammar explanations and usage notes. Save any word or sentence as a flashcard with one click.
Review your saved flashcards anytime with spaced repetition in the companion web app. Every phrase you pause on in YouTube is automatically saved to your history, so nothing worth revisiting is ever lost.
Per-word meanings with language-specific reading aids — like furigana and romaji for Japanese. Pause and it's there.
Click Details for grammar notes and the sentence patterns in use. Deepen your understanding by learning the patterns and how they're used.
Auto-generated subtitles often mishear kanji homophones or garble words. LangClip corrects them before explaining the sentence.
Every phrase you paused on in YouTube is auto-saved and stays there to revisit anytime, even if you never turned it into a flashcard.
Every phrase you save on YouTube becomes a flashcard, ready for spaced-repetition review anytime.
Add words and phrases you've learned anywhere — books, conversations, or beyond YouTube — straight to your flashcards.
* Subtitle correction uses the video title and surrounding context to fix likely mistranscriptions. It improves accuracy but does not guarantee corrections match what the speaker actually said — treat them as best-guess AI output, not a source of record.
How LangClip compares with the most-asked-about alternatives.
| Feature | This is us LangClip | Language Reactor | Migaku |
|---|---|---|---|
| Built for | Designed for YouTube learners | YouTube + Netflix | YouTube + Netflix + web |
| Languages | JA ↔ EN | 27+ | 11+ |
| Supported browsers | Chrome · Brave | Chrome | Chrome |
| AI translation + word breakdown | ✓ | ✓ | ✓ |
| Grammar notes & patterns in use | ✓ | Pro only | – |
| Subtitle correction (JA homophones, ASR) | ✓ | – | – |
| One-click save from YouTube | ✓ | Basic | ✓ |
| Manually add flashcards | ✓ | – | ✓ |
| Unlimited flashcard additions | ✓ | Pro only | ✓ |
| Flashcard categories | Plus only | ✓ | ✓ |
| History | Everything you paused | Saved items only | Saved items only |
| Mobile review | Web | Web | iOS + Android |
| Anki export | ✓ | ✓ | Via add-on |
| Trial | 50 credits, no card | Free tier, no card | 10-day trial, no card |
Competitor rows reflect each vendor’s own public feature pages and reviews as of mid-2026. Numbers and plans may have changed since. Spot something wrong? Tell us at support@langclip.com.
No card required
50 Learning credits* in the extension.
Billed monthly · cancel anytime
For learners watching daily and building a real library.
* Each phrase uses one credit — translation, word breakdown, and Details (grammar notes + patterns in use) are all included.
After installing the extension, please sign up for the web app (free).
Select the language you want to learn and turn on subtitles on the video you want to study with.
Stop the video as soon as you come across a word or phrase you don't understand.
See the translation and word-by-word breakdown instantly. Click Details for grammar notes and patterns in use. Save any phrase as a flashcard with one click.
Review your saved flashcards with spaced repetition on any device, anytime. Every phrase you pause on is also auto-saved to your history.
A smarter way to learn languages from YouTube. LangClip is a browser extension that helps you understand real-world language while you watch YouTube videos. Pause on any unfamiliar phrase to get instant translations and AI-powered explanations of vocabulary, grammar, and usage. Save useful expressions as flashcards, then review them anytime in the web app with spaced repetition.
Yes — a free LangClip account is required. Install the extension, sign up when prompted to connect it to your account and pick your language pair, then pause a YouTube video to start learning. 50 Learning credits, no card required.
1) Install the extension and sign in from the popup — this connects the extension to your LangClip account and language pair. 2) Open a YouTube video in the language you want to learn, with subtitles on (CC). 3) Pause on a sentence you want to understand; LangClip shows the translation and word breakdown in an overlay. 4) Click "Details" for grammar notes and patterns in use. Save any word or phrase as a flashcard at any time and review it later in the web app from any device.
No. The trial gives you 50 Learning credits with no card required.
You can still review your history and flashcards, and add manual flashcards, indefinitely. New AI analyses on YouTube require Plus.
JA ↔ EN today. Korean (KO → EN and KO → JP) is in active development and ships next. More pairs follow based on demand.
Desktop Chrome and Brave today (any Chromium browser that installs from the Chrome Web Store). A native Microsoft Edge listing is coming soon. Mobile Chrome and Safari can’t run extensions — but the web app works on any device once you’ve connected from desktop.
LangClip reads YouTube’s subtitle track. No subtitles, no analysis — turn on CC first.
First, make sure subtitles (CC) are turned on for the video and reload the tab. Then click the LangClip toolbar icon: if it shows "Not connected," click "Sign in to LangClip" to reconnect via the /connect-extension page. If the popup shows you're connected but nothing appears, open /dashboard/settings → Extension tokens to confirm a token is active — revoke stale ones and reconnect from the popup if needed.
Yes — Plus users can export flashcards as CSV in Anki tag format. Take your deck with you any time.
Phrases are stored on our server, deletable anytime, and GDPR-exportable. See our privacy policy.