ContextSearch web-ext
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+
2,947 users
Competitive Companion
Parses competitive programming problems and sends them to various tools like CP Editor and CPH.
2,943 users
UnloadTabs
Unload your tabs to free resources and prevents them from loading unintentionally
2,880 users
GitZip
It can make the sub-directories and files of github repository as zip and download it.
2,876 users
FB2 Reader
Allows reading FictionBook (.fb2 and fb2.zip) files from websites. Just click on fb2 link and that is it. Only works for unzipped local .fb2 files. For Linux support please see the description.
2,874 users
Search and Wider Mail by Yahoo
Expand your Yahoo Mail inbox. Set Yahoo as your default search and enjoy a wider view. Wider mail experience works only with Yahoo as the default search engine.
2,860 users
Ctrl+Number to switch tabs
Adds keyboard shortcut Ctrl+1 to switch to the first tab, Ctrl+2 to switch to the second, and so on. Ctrl+9 switches to the last tab.
2,819 users
Video Speed Controller
Change speed of all videos on page. https://github.com/mikeyaworski/Video-Speed-Controller
2,796 users
Fontanello
A browser extension that lets you display the basic typographic styles of a text by right-clicking it.
2,794 users
Topaz SigPlusExtLite Extension
The Topaz SigPlusExtLite Firefox Extension enables users to capture signatures on a wide variety of Topaz signature pads.
2,774 users
Microsoft Purview Extension - Beta
Protect your organization against sensitive data leaks.
2,760 users
About Sync
Show information about Firefox Sync. This addon shows information about your Sync account, including showing all server data for your account. It is designed primarily for Sync developers or advanced users.
2,754 users
smartUp Gestures
A better gestures extension. Features include: mouse gestures, simple drag, super drag, rocker gesutres and wheel gestures.
2,746 users
Keep Awake (Screen Only)
Keep your computer's screen from turning off with just one click.
2,716 users
Traducir con Google
Agrega la opción traducir el texto seleccionado con Google Translate en el menú contextual.
2,710 users
Clip to DEVONthink
Clip selected web content to your DEVONthink database directly from Firefox.
2,674 users
ReYohoho Twitch Proxy 1080p/1440p в РФ
Прокси для Twitch, чтобы смотреть в 1080p/1440p (РФ)
2,673 users
