Open Video Speed - Bilibili & YouTube Speed Controller

Fine-tune Bilibili and YouTube playback speed with presets, custom input, a slider, and per-site memory.

Name Open Video Speed - Video Speed Controller Short description Fine-tune Bilibili and YouTube playback speed with presets, custom input, a slider, and per-site memory. Detailed description Open Video Speed is a lightweight, free, and open-source browser extension that provides precise playback speed controls for Bilibili and YouTube. Key features: • Speed presets from 0.25x to 5x in 0.25x increments • Custom playback speed input • Slider-based speed adjustment • Automatic highlighting of the current speed • Optional per-site playback speed memory • Separate settings for Bilibili and YouTube • Automatically restores the saved speed when opening another video • Synchronizes with playback speed changes made through YouTube’s native menu User experience: On Bilibili, the extension adds its controls to the existing playback speed menu. On YouTube, it displays the current speed in the player controls and provides a dedicated adjustment panel. The interface is designed to remain unobtrusive and consistent with each video player. Privacy and permissions: • No account or sign-in required • No advertisements or analytics SDKs • Does not collect browsing history or video titles • Does not send settings to remote servers • Uses only the storage permission to save settings locally • Does not execute remote code Open Video Speed is released under the GPL-3.0 license: https://github.com/kevinriver/open-video-speed The extension currently focuses on standard Bilibili and YouTube video pages. Support for YouTube Shorts, live streams, and advertising transitions is still being improved. This is an independent third-party extension and is not affiliated with, sponsored by, or endorsed by Bilibili, YouTube, or Google.