YouTube Speedrun

Smart YouTube speed control. Fast through fluff, slow for substance.

Watch YouTube videos up to 40% faster without missing what matters. YouTube Speedrun uses AI to analyze video transcripts and automatically adjust playback speed based on content density. It speeds through boring parts and slows down for important content—all in real-time. How it works: • When you start a YouTube video, the extension analyzes the transcript • AI identifies content types: intros, sponsors, filler vs. key information • Playback speed adjusts automatically as you watch 4 Smart Speed Tiers: • Skip (2.0x) — Intros, outros, sponsors, ads • Fast (1.5x) — Recaps, transitions, filler content • Normal (1.0x) — Standard content • Slow (0.75x) — Complex concepts, key information Features: • Fully automatic — just install and watch • Customizable speed values for each tier • Real-time speed indicator overlay • Tracks total time saved across all videos • Works on any YouTube video with captions Privacy-first: Only transcript text and timestamps are sent for analysis. No personal data, no tracking, no ads. Free to use. No account required.