: You can customize subtitle styling (font, size, and background) for PiP mode within the browser's accessibility or hidden settings. Recommended Firefox Extensions
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
While Mozilla Firefox does not have a built-in "Live Caption" feature that automatically generates text from audio like Google Chrome, it offers robust support for English subtitles through its mode and third-party extensions . Native Subtitle Features : You can customize subtitle styling (font, size,
: PiP subtitles are supported on major platforms like YouTube, Netflix, Disney+, and Prime Video, as well as any site using the WebVTT format. : To see subtitles in the floating window,
: To see subtitles in the floating window, you must first enable them in the original video player on the webpage.