Video Speed Controller — Speed & Volume Booster

Control playback speed and boost volume on any HTML5 video or audio, with handy customizable keyboard shortcuts.

Video Speed Controller gives you full control over any video or audio on the web. Speed up slow lectures, slow down fast tutorials, and finally hear quiet videos by boosting their volume above 100%. ✦ FEATURES • Works on any HTML5 video & audio across virtually any website. • Playback speed from 0.07× up to 16×, in steps you choose. • Volume booster — make too-quiet videos louder than the normal maximum. • Keyboard shortcuts — faster, slower, reset, rewind and skip without touching the mouse (every key is customizable). • On-video controls — a tidy overlay with −/+, reset and a volume slider, right on the player. • Remembers your preferred speed across videos and sites. • Light & dark theme. No account. No tracking. ✦ DEFAULT SHORTCUTS (customizable) D — faster · S — slower · R — reset Z — rewind · X — skip ahead · V — show / hide controls ✦ PRIVATE BY DESIGN Everything runs locally in your browser. Video Speed Controller does not collect, transmit or sell any data, and makes no external network requests. Take control of every video — install and press D.