Smart Playback Speed

Automatically adjusts YouTube playback speed based on speech rate (WPM) and learns your preferences

Smart Playback Speed automatically adjusts YouTube video playback speed based on how fast the speaker is talking. HOW IT WORKS The extension analyzes real-time captions to calculate the video's words-per-minute (WPM). It then adjusts playback speed so you always hear content at your preferred listening rate. - Slow talkers (low WPM) → Speed up the video - Fast talkers (high WPM) → Slow down the video LEARNS YOUR PREFERENCES When you manually adjust the playback speed, Smart Playback Speed learns your preferred listening WPM. Over time, it automatically applies the right speed for each video based on your personal comfort level. FEATURES - Real-time WPM detection from captions - Automatic speed adjustment - Preference learning from manual speed changes - Works with auto-generated and manual captions - Minimal UI - works in the background - Debug mode for transparency REQUIREMENTS - Videos must have captions enabled (auto-generated or manual) - Works best with spoken content (lectures, podcasts, tutorials) PRIVACY This extension runs entirely in your browser. No data is sent to external servers. Your preferences are stored locally. Perfect for: - Online learners watching lectures - Podcast listeners - Tutorial viewers - Anyone who wants consistent audio pacing across different speakers