Instantly explain any word or phrase in YouTube transcripts using AI. Learn faster without rewatching.
Users
6
+2 in 30 days
Rating
5.0 / 5
unchanged in 30 days
Ratings
1
0 in 30 days
Store rank
#229K
#191K among extensions
Version
1.1.1
updated 1 Jun 2026
Users
monthly, 5 months
Latest, 15 Oct 2026:6 usersMove the mouse over the chart for any month
Ratings count
monthly, 5 months
Latest, 15 Oct 2026:1 ratingsMove the mouse over the chart for any month
The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.
About hiFetcher
hiFetcher brings an AI-powered transcript panel to every YouTube video. Select any word, phrase, or sentence you don't understand and get an instant, context-aware explanation without
ever leaving the page.
No more rewatching. No more pausing and Googling. Just read, click, and keep going.
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✨ KEY FEATURES
🎯 AI explanations on demand — select any word or phrase in the transcript to get an instant explanation powered by Claude, the most accurate AI model available
📜 Live transcript sync — the transcript scrolls automatically with the video so you always know exactly where you are
⏩ Jump to any moment — click any sentence to seek directly to that point in the video
🌍 Multilingual support — works in English, French, Spanish, German, and Portuguese
🔒 Privacy first — only your selected text and its surrounding context are ever sent to the AI
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🚀 HOW IT WORKS
1. Install hiFetcher and open any YouTube video
2. The transcript panel opens on the left side of the screen
3. Select any word or phrase to get an AI explanation
4. Click Resume to continue watching from where you left off
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Free to try — includes 3 AI explanations. Subscribe for unlimited use.