Distract Me Not (website blocker)
Stay focused in a world full of distractions.
2,726 users
Calendar Planner & Custom Web Search
Add the Calendar Planner & Custom Web Search extension to get an easy-to-use calendar planner by clicking the favicon on the toolbar & enjoy Yahoo!® search from your browser.
2,716 users
New Zealand English Dictionary
New Zealand English Dictionary 1.0.1 for Firefox.
2,713 users
Download Dailymotion videos
Download videos, subtitles, thumbnails, posters, filmstrip, tags from Dailymotion
2,705 users
2,705 users
YouTube Stop AutoPlay Next
Stop YouTube from Playing next tracks (aka disable autoplay button).
2,701 users
Image Background Color Picker
Lets you choose a background color for plain images.
2,701 users
InteractiveFics
Replaces Y/N & other variables in Reader Insert/second person fics with words of your choice.
2,699 users
YouTube Adblock Bypass
Bypasses YouTube's ad block ban.
2,698 users
Audio Output Selector
Allows you to change the audio output device of <audio> and <video> elements. Requires media.setsinkid.enabled set to true in about:config!
2,693 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.
2,686 users
PixelZoomer
PixelZoomer takes a screenshot of the current website and provides various tools for pixel analysis. You can zoom into websites (up to 3200%), measure distances and pick colors with an eye dropper.
2,684 users
Feature Queries Manager
Manage and toggle CSS on a page behind a @supports Feature Query.
2,683 users
Enable Bing Chat
Enables Bing Chat in Firefox.
2,681 users
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.
2,675 users
Speed Dial
Access to your favorite websites via an stylish speed dial!
2,674 users
FastSave for Instagram
Enjoy the most beautiful downloader for Instagram. Download All Stories & Videos & Photos from Instagram Anonymously. Supports IGTV download and bulk file download from Instagram page.
2,672 users
YouTube Repeat Button
Adds a repeat button to the HTML5 player to loop over a single track after 1 second delay
2,664 users
PDF editor online
Create and edit PDF files with PDF editor online
2,663 users
Cookie Clicker Mod Manager
Cookie Clicker Mod Manager is a tool to manage the javascript add-ons a player may want to use with the game Cookie Clicker (https://orteil.dashnet.org/cookieclicker)
2,658 users
Zip-Unzip Files & Custom Web Search
Add the Zip-Unzip Files & Custom Web Search extension to easily zip and unzip files by clicking the favicon on your browser toolbar, and access search results powered by Yahoo!®
2,655 users
Automa
An extension for automating your browser by connecting blocks
2,649 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)
2,638 users
Feeder
Get a simple overview of your RSS and Atom feeds in the toolbar.
2,634 users
Disable Page Visibility API
This add-on disables the Page Visibility API.
2,632 users