hiFetcher

Tracking since May 7, 2026.

Changelog

• May 23, 2026
  short_description

  AI-powered transcript explanations for YouTube. Click any word for an instant explanation using the surrounding context.

  Instantly explain any word or phrase in YouTube transcripts using AI. Learn faster without rewatching.

• May 11, 2026
  description

  hiFetcher is an AI-powered Chrome extension that gives you instant
    explanations for any word in YouTube transcripts.
  
    ✨ Key Features:
    • Click any word to get an instant explanation using surrounding context
    • Supports 5 languages: English, Spanish, French, German, Portuguese
    • Free tier: 3 explanations per lifetime
    • Paid subscription: Unlimited explanations ($4.99/month)
    • Pause video automatically when you select text
    • Dark mode support
  
    🎯 Perfect for:
    • Learning from educational videos
    • Understanding technical content
    • Language learners wanting context
    • Anyone curious about words in transcripts
  
    🔒 Privacy First:
    We don't store your transcript content. Your privacy matters.
    See our privacy policy for details.

  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.
  
    ---
    ✨ 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
  
    ---
    🚀 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
  
    ---
    Free to try — includes 3 AI explanations. Subscribe for unlimited use.

Permissions & access

Permissions

storageidentity

Host access

https://www.youtube.com/*

Screenshots