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.
14,986 users
Impulse Blocker
Block distracting websites. Just list the sites you want Impulse Blocker to pause or completely avoid.
14,559 users
Joplin Web Clipper
Capture and save web pages and screenshots from your browser to Joplin. The Joplin application is required to get this extension working - https://joplinapp.org
14,361 users
JavaScript Toggle On and Off (WebExtension)
Toggle JavaScript engine on and off the easy way
14,176 users
Daily Top Coupons & Custom Web Search
Install the Daily Top Coupons & Custom Web Search extension to get the latest coupons, deals & offers by clicking the favicon on the toolbar & enjoy Yahoo® search from your browser.
13,911 users
DF YouTube (Distraction Free)
Allow yourself to focus while using YouTube for work, recreation or education. Disable autoplay, remove sidebar, hide feed, comments, and more.
13,786 users
Lean Library
The Lean Library extension is a free tool which assists your library in delivering their services directly into your research workflow in more ways than one!
13,708 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)
13,575 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!
13,144 users
Allow CORS: Access-Control-Allow-Origin
Easily add (Access-Control-Allow-Origin: *) rule to the response header.
13,137 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.
13,049 users
![Grammalecte [fr]](https://addons.mozilla.org/user-media/addon_icons/701/701168-64.png?modified=1542696783)
Grammalecte [fr]
French grammar checker. Included: conjugation tool, lexicographer, text formatter and spelling dictionaries.
12,874 users
Fake Filler
A form filler that fills all form inputs (textboxes, textareas, radio buttons, dropdowns, etc.) with fake and randomly generated data. The purpose of this extension is to help developers and testers test forms quickly and easily.
12,711 users
Header Editor
Manage browser's requests, include modify the request headers and response headers, redirect requests, cancel requests
12,144 users
Progressive Web Apps for Firefox
A tool to install, manage and use Progressive Web Apps (PWAs) in Mozilla Firefox
12,091 users
Breez ClickOnce
Breez ClickOnce enables ClickOnce support in Mozilla Firefox. It is required to be able to launch any Windows Forms or Windows Presentation Foundation application that is based on Microsoft's ClickOnce technology.
11,797 users
Speed Dial 2 New tab page
Make your new tab page a true home for your work and free time. Speed Dial 2 is a new tab page extension with easy access to your favorite websites.
11,555 users
