Add-ons
Photos and Media
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Theme Font & Size Changer for ThunderBird
Theme Font & Size Changer lets you change the global font size and font family used for the user interface in Firefox. Design your browser with your favorite font.
Video Mouse Wheel
Use wheel mouse on videos to control video/audio/quality.
Choose flash/HTML5 on YouTube, autopause on background tabs, embedded videos.
And much more!
InlineDisposition
InlineDisposition changes the disposition of Content-Disposition response headers from attachment to inline; this prevents servers from forcing the browser to save a file and allows that file to be viewed in the browser, if the browser supports it.
Video Pinner
Pins a YouTube video to the page so that it is always visible while you scroll and read comments. Port of Chrome's Video Pinner extension
Complete YouTube Saver
Requires Restart
Download YouTube videos in various formats including 1080p, 4K etc (DASH formats). Convert audio track from videos to MP3 or WAV, or save audio in native format (Ogg, AAC/M4A, MP3, OPUS). Save YouTube page, video, comments and subtitles to one folder
Library Exporter
Requires Restart
IMPORTANT: This add-on is just for exporting ebooks from EPUBReaders private library. If you want to read ebooks, please install https://addons.mozilla.org/firefox/addon/epubreader/.
To create your own collections, you must have a Mozilla Add-ons account.
