axe DevTools® - Web Accessibility Testing
Add accessibility auditing to the Firefox Developer Tools
8,879 users
Tab Counter
Add a badge to the toolbar that shows the number of currently open tabs in a window or all windows.
8,718 users
Channel Blocker
Are you annoyed by YouTube™s video recommendations? Our Add-on enables the function of blocking anything you'd like. Block separate videos, users or whole channels with only one click!
8,633 users
Yoroi
A simple, secure and fast Cardano ADA wallet. Your gateway to the financial world.
8,516 users
enhanced-h264ify
Choose what video codec YouTube should play for you
8,366 users
Pinned Google Calendar
Go to the pinned Google Calendar tab. If it doesn't exist, it's created.
8,336 users
Always on Top
Sets "Always on Top" style for your Firefox window
8,225 users
Clockify Time Tracker
Track time from anywhere on the web and improve productivity.
8,203 users
Free VPN
Get access to any website and block ads with our free VPN proxy extension
8,179 users
SQLite Manager
manage, edit, manipulate, plot and save one or multiple SQLite databases simultaneously
8,145 users
Ignore X-Frame-Options Header
Allows all sites to be loaded in iframes, despite X-Frame-Options header settings.
8,126 users
Page Assist - A Web UI for Local AI Models
Use your locally running AI models to assist you in your web browsing.
8,041 users
HTTP Header Live
Displays the HTTP header. Edit it and send it.
7,819 users
Twitter Media Assist
For your better Twitter media experience.
7,779 users
Bulk Image Downloader
Integrates Bulk Image Downloader (a Windows only app that must be installed separately) with FireFox. Download full sized images from almost any thumbnailed web gallery. Supports most popular image hosts such as imagevenue, imagefap, flickr, etc.
7,768 users
GSConnect
Share links with GSConnect, direct to the browser or by SMS. Requires at least v7 of the Gnome Shell extension to function.
7,572 users
Scratch Addons
Scratch Addons provides customizable features and themes for the scratch.mit.edu website and project editor.
7,557 users
Ant Download Manager
antFF is Ant Download Manager software integration module for Windows platforms. For everyone who thinks that we are the same as is Ant Video Downloader - we are not Ant Video Downloader, we are another software, we are another group of developers.
7,540 users
Highlighter + Notes
Add Highlights and Notes to a Web Page
7,462 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.
7,404 users
Odoo Debug
Toggle debug mode of an Odoo webpage. - Click for debug. - Double click for debug with Assets. - Use ctrl + . for keyboard shortcut Source code: https://github.com/pga-odoo/OdooDebug Emoji art supplied by Emojione
7,339 users
WebScrapBook
Capture web pages to local device or backend server for future retrieval, organization, annotation, and edit.
7,203 users
Lecture Carte Vitale
Outil indispensable aux professionnels de santé leur permettant de lire les données de la carte Vitale® depuis un navigateur.
7,114 users
Sponsored Search by SearchesCentral
Get better search results instantly from your home and new tab page!
7,032 users
Form History Control
Manage form history entries (search, edit, cleanup, export/import) and easy text formfiller. Auto-save text entered in any form while typing to allow fast recovery when disaster strikes.
6,927 users