LanglyLearn languages by watching YouTube
Turn any YouTube video or mp4 files into your language learning course — with bilingual subtitles and tap-to-learn AI dictionary.
The features to boost your learning
Add videos by URL
Paste any YouTube link — or just put langly.net/ in front of the URL (youtube.com → langly.net/youtube.com) to open it as a lesson.
Break down any line
Explain with AI splits a line into chunks with readings and meanings — tap a chunk to go deeper, down to each word's definition.
Select to look up
Highlight any word or phrase to get an instant AI dictionary explanation in context.
Progress tracking
See your focus hours, words learned, and streaks build up as you keep watching.
One-tap saving
Save words and expressions with a single tap and review them whenever you like.
Dictation mode
Train your ears and spelling by typing out what you hear, line by line.
Why Langly
Better AI subtitles
Powered by a top transcription model in the industry, for accurate subtitles.
Generous free plan
There's a free plan to start, and the Basic plan is 10% cheaper than a competitor.
Mobile support
Learn on the go — Langly works right in your phone's browser.
Strong CJK coverage
Chinese, Japanese, and Korean done right, with a context-aware AI dictionary where other tools fall short.
Recommended YouTube channels
Not sure what to watch? Start with our hand-picked channels for learning with comprehensible input.
🇨🇳The Best YouTube Channels to Learn Mandarin NaturallyA curated guide, grouped by level — from absolute beginner to intermediate.Plans
Learn for free. Upgrade only when you need it.
Everything you need to start — free.
- Add YouTube videos with subtitles (no limit)
- AI sentence explanations (3 / day)
- YouTube with AI-subtitles
- Upload your own video files
More AI transcription, any video.
- Add YouTube videos with subtitles (no limit)
- YouTube with AI-subtitles (3 hours / month)
- Upload your own video files (3 hours / month)
- AI sentence explanations (15 / day)
AI subtitles and own uploads shares the same 3 hours / month limit.
Transcribe more, learn more.
- Add YouTube videos with subtitles (no limit)
- YouTube with AI-subtitles (30 hours / month)
- Upload your own video files (30 hours / month)
- AI sentence explanations (100 / day)
AI subtitles and own uploads shares the same 30 hours / month limit.