
ff2mpv (for Windows)
Also tries to play links in mpv. Adapted for Windows. Send videos from Firefox to the mpv player using a toolbar button, context menu or keyboard shortcut (Ctrl+Shift+Space). Requires configuration: https://github.com/eastmarch/ff2mpv
What is ff2mpv (for Windows)?
ff2mpv (for Windows) is a Firefox add-on that enables sending videos from Firefox to the mpv player on Windows. It does not require a native client and can be used with a toolbar button, context menu, or keyboard shortcut.

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- contextMenus
- activeTab
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Summary
This extension is a fork of ff2mpv by yossarian. It aims to make it easier to send videos from Firefox to the mpv player on Windows. A native client is not needed. But the ytdl:// protocol must to be added to the registry for it to work.
Instructions: https://github.com/eastmarch/ff2mpv Be sure to have both mpv and yt-dlp stored in the same folder.
User reviews
Safety
Risk impact
ff2mpv (for Windows) is safe to use. It does not request any sensitive permissions.
Risk likelihood
ff2mpv (for Windows) is probably trust-worthy. Prefer other publishers if available. Exercise caution when installing this add-on.