polkadot{.js} extension
Manage your Polkadot accounts outside of dapps. Injects the accounts and allows signs transactions for a specific account.
13,623 users
Reverso – Translation, dictionary
Translate and learn languages while browsing and watching movies, it’s free.
13,601 users
YouTube Downloader (UDL Helper)
Download YouTube / Instagram / Odnoklassniki videos and extract audio from video with just a few mouse clicks. Supported media formats are MP3, MP4, WEBM. Capture frames from online videos with a screenshot button.
13,569 users
The Stream Detector
This addon provides an easy way to keep track of manifests and subtitles used by various streaming protocols. Also allows for detecting custom file types and downloading media files.
13,468 users
Download with JDownloader
when activated, interrupts the built-in download manager to direct links to JDownloader
13,452 users
Weather Authority & Custom Web Search
Add the Weather Authority & Custom Web Search extension and get regular weather updates by clicking the favicon on the toolbar & enjoy access to custom Yahoo® search from your browser search bar.
13,440 users
Private Internet Access
Defeat censorship, unblock any website and access the open Internet the way it was meant to be with Private Internet Access®
13,400 users
English (Australian) Dictionary
Australian English Dictionary for Mozilla applications.
13,391 users
Zoom Image
As though the mouse wheel rotate by the right click on the images, you can do the images extenting / reducing / rotating and so on. It can be expanded regardless of design. Also you can drag zoomed images.
13,377 users
ShopBack Button
Your all-in-one shopping button - Earning Cashback and Discover best deals! By clicking Add to Firefox, you agree to ShopBack's Terms of Use
13,332 users
Empty Cache Button
Cache clearing made easy. One click.
13,298 users
javascript
add javascript that will run on this domain. back up your scripts in the options area (shortcut there by clicking the "JS" letters in the bottom right)
13,145 users
13,050 users
13,030 users
movie-web extension
Enhance your movie-web experience with just one click
13,005 users
Mp3 Downloader for SoundCloud™
Add download link to all SoundClould tracks
13,000 users
Tab Mix - Links
Tab browsing with an added boost.
12,962 users
Spanish (Mexico) Dictionary
Spanish (Mexico) spell checker dictionary
12,926 users
Spanish (Venezuela) spell check dictionary
Diccionario en español para Venezuela. - Corrector Ortográfico (Spell Checker) - Tesauro de Sinónimos (Thesaurus) - Separación Silábica (Hyphenation) ¡Hecho en Venezuela!
12,911 users
Toggl Track: Productivity & Time Tracker
Puts a timer into any web tool and allows quick real time productivity tracking with all the data stored on your Toggl Track account. Time tracking has never been easier!
12,903 users
Skip Redirect
Some web pages use intermediary pages before redirecting to a final page. This add-on tries to extract the final url from the intermediary url and goes there straight away if successful.
12,882 users
Easy Print
Add Easy Print & Custom Web Search extension then click the icon on your toolbar to access Easy Print plus Yahoo Web Search.
12,878 users
Google Container
THIS IS NOT AN OFFICIAL ADDON FROM MOZILLA! It is a fork of the Facebook Container addon. Prevent Google from tracking you around the web. The Google Container extension helps you take control and isolate your web activity from Google.
12,788 users
minerBlock
Blocks cryptocurrency miners all over the web.
12,766 users
ChatReplay
Watch stream archive videos with chat replay.
12,756 users