UnloadTabs
Unload your tabs to free resources and prevents them from loading unintentionally
3,256 users
GitZip
It can make the sub-directories and files of github repository as zip and download it.
3,255 users
RescueTime
Keep track of the time you spend in your browser, and get a clear picture of what you were doing all day.
3,244 users
Clip to DEVONthink
Clip selected web content to your DEVONthink database directly from Firefox.
3,218 users
Carbonalyser
Allows to visualize the electricity consumption and greenhouse gases (GHG) emissions that your Internet browsing leads to.
3,186 users
QuickDrag WE
Extends the function of the drag-and-drop mouse gesture so that it can be used to load URLs, do a web search of selected text on a page, or save an image on a page.
3,176 users
AdsBlocker
AdsBlocker - blocks all annoying ads, malware and tracking. AdsBlocker effectively blocks all types of advertising on all web pages, including video ads, unwanted pop-ups, banners and context ads.
3,144 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.
3,048 users
Competitive Companion
Parses competitive programming problems and sends them to various tools like CP Editor and CPH.
3,029 users
Link Redirect Trace
Perform advanced, comprehensive and most important correct analysis of links, redirects, and REL-canonicals. Use this extension for your SEO analysis, On page SEO, Off page SEO, competitor analysis and more.
3,027 users
Simple WebSocket Client
Construct custom Web Socket requests and handle responses to directly test your Web Socket services.
3,014 users
Tamper Data for FF Quantum
- Monitor live requests - Edit headers on live requests - Cancel live requests - Redirect live requests Click the blue cloud in the toolbar to start tampering. When you're done, click it again to stop.
2,979 users
GMail Checker Simple
Very lightweight Firefox 57+ (WebExtension) Compatibile Gmail checker Add-On. Onclick: open GMail. English version.
2,975 users
QueChoisir - Oqif
En vue de réaliser un état des lieux de l’Internet fixe en France, l’UFC-Que Choisir a développé un outil ouvert à tous. En téléchargeant notre extension sur votre ordinateur, vous alimenterez notre observatoire exclusif.
2,961 users
HTTP Version Indicator
An indicator showing the HTTP version used to load the page in the address bar.
2,951 users
smartUp Gestures
A better gestures extension. Features include: mouse gestures, simple drag, super drag, rocker gesutres and wheel gestures.
2,926 users
Widevine L3 Decrypter
Chrome/Firefox extension for pen-testing to retrieve encryption keys of Widevine protected content ! PLEASE DECRYPT CONTENT IF YOU DON'T HAVE THE RIGHT TO DO IT!
2,924 users
Rename Tab Title
Renames the Tab Title (Persistent across the sessions). Renaming to add custom words in tab titles makes it easy to search for tabs in the address bar.
2,922 users
