FastVideo is a Chrome extension that enhances video playback with smart speed controls and audio quality preservation.
Available in the Chrome Web Store
- Instantly set video playback to 2x speed
- Works on any HTML5 video element
- Preserves audio quality at higher speeds
- Real-time pitch correction using Web Audio API
- Multi-stage audio processing chain:
- Dynamic gain control
- Adaptive pitch correction
- Audio compression
- Volume normalization
- Maintains natural voice pitch at high speeds
- Automatically adjusts to prevent audio distortion
- Clean, minimal speed indicator overlay
- Shows current playback speed
- Automatically fades after 2 seconds
- Non-intrusive placement in top-right corner
- Automatically finds the active video on the page
- Only affects currently playing videos
- Works with multiple video elements on the same page
- Install from Chrome Web Store
- Navigate to any page with a video
- Click the FastVideo icon in your toolbar
- The video will instantly speed up to 2x with preserved audio quality
- A brief overlay will confirm the speed change
- Built with vanilla JavaScript
- Uses Chrome Extension Manifest V3
- Implements advanced Web Audio API features:
- BiquadFilter for pitch correction
- DynamicsCompressor for audio clarity
- GainNodes for volume control
- Real-time parameter automation
- Features graceful fallbacks for all functionality
- Chrome (Primary support)
- Other Chromium-based browsers (Edge, Brave, etc.)
See LICENSE file for details.