Explore powerful tools and features to customize Firefox and make the browser all your own.
Select text and search from the context menu or a tiled popup using any of your installed search engines. Add new search engines with a right-click, edit favicons and query strings. POST compatible, simple UI, highly configurable. For FF 57+
WORKS WITH NEW YOUTUBE LAYOUT, "Best Youtube Video Downloader", Only one with 1080p Full-HD and 256kbps MP3 Direct Links. A clean, fast and simple addon for superfast and easy downloads in FLV, 3GP, MP3, MP4, 720p, 1080p qualities on Youtube pages.
Speed up, slow down, advance and rewind any HTML5 video with quick shortcuts.
This Firefox add-on arranges tabs in a vertical rather than horizontal fashion. Hide and display manually the tab sidebar with a hotkey (Ctrl+Shift+V) or by clicking on the VTR icon.
Search any text in Wikipedia, just right click on selected text.
Augments your Steam Experience
It may be the most user-friendly new tab on Firefox browser
Take a screenshot from the entire webpage with one click.
Complete YouTube video download is the ultimate YouTube downloader that allows you to save any video from YouTube to your favorite format (MP3, MP4, WEBM, M4A, 3GP, Subtitles and thumbnails)
A minimal, less attention grabbing, internet experience.
Take a screenshot of the current web page, add annotations if needed, and save it as an image in HD.
Download fast and free any online video from your preferred webistes FVD Video Downloader.