Xdebug-ext
Adds a simple button to inject a Xdebug cookie. Compatible with Firefox 57+ (Quantum). It is a port of "The easiest Xdebug" Addon by Nikita Nikitin, which is not compatible with WebExtensions.
2,154 users
Laboratory (Content Security Policy / CSP Toolkit)
Because good website security shouldn't only be available to mad scientists! Laboratory is a WebExtension that helps you generate a Content Security Policy (CSP) header for your website.
2,137 users
Script Blocker Ultimate (NoScript, Disable JS)
Best Script Blocker for Firefox. (Best in Performance, This addon does NOT track user activities same as others)
2,132 users
JabRef Browser Extension
Browser extension for users of the bibliographic reference manager JabRef. It automatically identifies and extracts bibliographic information on websites and sends them to JabRef with one click.
2,120 users
AutoCopy
Copy the selected text only, when the mouse button is pressed for a specified time.
2,113 users
Everything Metric (Auto Unit Converter)
10 feet 🠚 10 feet【𝟯 𝗺】 This add-on automatically translates all American or Imperial units to Metric (International System of units - SI), adding converted unit in brackets behind USC unit. Convenient for shopping, cooking, etc.
2,111 users
All Tabs Helper
Provides list-style menu to do closing, loading, unloading, moving of single/multiple tabs. Search tab titles/urls, search content in all loaded tabs, visited tabs history, find duplicate tabs. (Window-centric except moves tabs across windows)
2,105 users
I'm not robot captcha clicker
I'm not robot captcha automatic clicker. If such a form is presented, it automatically clicks it saving your precious 5-7 seconds.
2,087 users
Glider Proctoring
Glider Proctoring plugin is used to capture candidate activity while taking tests. This will help hiring manager to identify candidates whether candidate is cheating while taking tests.
2,081 users
Paywall-blocker
Remove paywall from newsletters. Watch articles for free. Currently supported websites: De Tijd, Telegraaf, Bloomberg, De Morgen, GVA, Knack
2,078 users
Friend Removal Button (Roblox)
Useful for removing friends with ease. Adds a red-crossed button to each friend card; allowing the ability to easily dispose of friends. This only applies to the friends list.
2,072 users
Multi-touch Zoom
Not needed in latest FF Adds missing feature of Firefox: Smooth zooming with the pinch gesture on a trackpad Non-multi-touch users can still smooth zoom by scrolling and holding down the SHIFT key Thanks to Marek Polakovic for the gesture icon
2,071 users
Youtube Playlist Duration Calculator
An add-on that calculates & displays the total duration of a youtube playlist.
2,055 users
Download Images From Tabs
Download images from tabs to the left, right or from the current tab. You can select links and open them in new tabs for download.
2,043 users
Xactware ClickOnce
Enable ClickOnce support in the Browser for Xactimate and XactContents Online
2,022 users
FicLab
Download fanfiction as ebook files from a number of popular sites. Simple to use, with beautiful results.
1,996 users
