LingTube
What is LingTube?
LingTube is an AI language learning Chrome extension that adds dual subtitles (bilingual subtitles) to YouTube and Netflix. Instead of translating words like a dictionary, it translates each word and phrase using the subtitle line it appears in and its part of speech, so learners get the meaning used in that sentence. Subtitles are automatically tagged by part of speech, with furigana for Japanese and pinyin for Chinese. Learners can get a grammar breakdown of any sentence, and saved words are tagged with an estimated CEFR level. For YouTube videos without captions, LingTube transcribes the audio with AI and translates it. It also generates video summaries, outlines and mind maps, and answers questions about the video with clickable timestamps. To practice, learners can shadow each subtitle line with waveform comparison, listen to an AI voice-over of the translation, and review saved words and sentences or export them to Anki. LingTube is also social: learners can write timestamped notes and share them on the video's progress bar, and chat through danmaku (scrolling comments) on both YouTube and Netflix. YouTube chapters, thumbnail previews, the most-replayed heatmap and Shorts keep working in study mode. LingTube supports 8 learning languages and more than 10 native languages.
How to use LingTube?
Install the LingTube Chrome extension. Open a YouTube or Netflix video, click the LingTube button on the left edge of the page, choose your learning and native languagesthen, click "Study Mode" to see dual subtitles. Tap any word or phrase for a context-aware translation, and use the toolbar for grammar analysis, transcription, AI summaries and Q&A, shadowing, timestamped notes and danmaku.
LingTube's Core Features
Dual subtitles for YouTube and Netflix: Show the original and translated subtitles together.
Context-aware AI word and phrase translation: Translations are chosen from the subtitle line and the word's part of speech, which helps with words that have several meanings. Tap the AI button for a detailed explanation.
Part-of-speech tagging with furigana and pinyin: Subtitles are analyzed with language-specific NLP. Japanese gets furigana and Chinese gets tone-marked pinyin.
AI grammar analysis and CEFR levels: Get a grammar breakdown of any sentence. Saved words are tagged with an estimated CEFR level (A1–C2).
AI transcription for YouTube videos without captions: Generate subtitles from the audio with Whisper, then translate them into your native language.
AI Q&A based on the video: Ask questions about what's being said and get answers with clickable timestamps.
AI YouTube summary, outline and mind map: See the structure of a long video before or after watching it.
Shadowing practice: Record yourself repeating each subtitle line and compare your waveform with the original audio. Free for all users.
AI voice-over: Hear the translated subtitles read aloud in sync with the video.
Vocabulary and sentence review: Review saved words and sentences with links back to the original video moment, and export them to Anki.
Shareable timestamped notes: Write Markdown notes at a moment in the video. Public notes appear on the progress bar for other learners watching the same video.
Danmaku on YouTube and Netflix: Send and read scrolling comments tied to the video timeline.
Works with YouTube chapters, thumbnail previews, the most-replayed heatmap, and Shorts in a portrait study layout.
LingTube's Use Cases
Learn Japanese from anime clips and vlogs with furigana and part-of-speech colors.
Learn English, Spanish, French or German by watching Netflix shows with dual subtitles.
Learn Chinese with pinyin subtitles and context-aware word translations.
Practice English speaking with shadowing, sentence by sentence, using any YouTube video.
Study YouTube videos that have no subtitles by transcribing them with AI.
Understand long lectures and podcasts quickly with AI summaries, outlines and timestamped Q&A.
Share notes on a tricky line and see how other learners reacted through danmaku.
Build a vocabulary list from real videos and review it in Anki.
FAQ from LingTube
How do I start using LingTube on a video?
How do I get dual subtitles on YouTube and Netflix?
Is LingTube a Language Reactor or Trancy alternative?
Can LingTube translate YouTube videos that have no subtitles?
Does LingTube show furigana for Japanese and pinyin for Chinese?
Does LingTube have shadowing practice?
Can I share notes with other learners?
Which languages does LingTube support?
Does LingTube work with Netflix?
Does LingTube do AI dubbing?
Can I export saved words to Anki?
Is LingTube free?
LingTube Support Email & Customer service contact & Refund contact etc.
Here is the LingTube support email for customer service: [email protected] . More Contact, visit the contact us page()
LingTube Company
LingTube Company name: LingTube.net .
LingTube Company address: .
More about LingTube, Please visit the about us page().
LingTube Login
LingTube Login Link: https://lingtube.net/login
LingTube Sign up
LingTube Reviews (0)
LingTube Pricing
Free
$0
Dual subtitles, shadowing practice, danmaku, YouTube chapters, heatmap and Shorts support. Includes a 3-day Premium trial for new accounts. No AI features.
Plus Monthly
$5.99/month
Everything in Free, plus AI word translation, grammar analysis, part-of-speech colors with furigana and pinyin, AI summary, outline and Q&A, AI voice-over, transcription for videos without captions, timestamped notes, and no ads.
Plus Yearly
$57.50/year
All Plus features, billed yearly. Save 20% compared with monthly billing.
Premium Monthly
$9.99/month
Everything in Plus, with about 2x AI usage limits, clickable timestamps in AI summaries and Q&A, personalized danmaku, Anki export, and early access to new features.
Premium Yearly
$95.90/year
All Premium features, billed yearly. Save 20% compared with monthly billing.
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