Firefox Subtitles English May 2026

: PiP subtitles are supported on major platforms like YouTube, Netflix, Disney+, and Prime Video, as well as any site using the WebVTT format.

For sites that don't natively support subtitles or for more advanced features, you can use specialized extensions from the Firefox Add-ons store : Add Subtitles – Get this Extension for Firefox (en-US) Firefox subtitles English

: To see subtitles in the floating window, you must first enable them in the original video player on the webpage. : PiP subtitles are supported on major platforms