RemoveYouTubePause
Remove the 'Video paused. Continue watching?' message on YouTube, allowing for a seamless video and audio experience without interruptions, on Firefox for both desktop and mobile.
976 users
React Context DevTool
React Context DevTool is a debugging tool for React Context and useReducer API.
973 users
IEability - Open in IE
Runs Internet Explorer (IE) in Firefox with IE Tab mode, supporting legacy websites, Java, ActiveX, Flash and enterprise systems.
959 users
Userchrome Toggle Extended
This extension allows you to toggle userchrome.css styles on-the-fly with buttons and hotkeys. You'll be able to switch up to six styles
956 users
CustomCSS Injector
- Apply any CSS rules for any websites, including iframes. - Whitelist and Blacklist functionality - Apply CSS rules to specific URLs, Domains or Globally - Syntax highlighting & line numbers - Update without page refresh
953 users
show-my-ip
This add-on allows you to view your IP address from your browser without having to navigate to sites like https://www.whatismyip.com/ Furthermore, as this add-on is open source, you don't need to be worried about your privacy.
953 users
SQLite Viewer
A tabular SQLite viewer and editor that supports opening of multiple databases
947 users
Quick Accept-Language Switcher
Provides a quick way of changing the HTTP Accept-Language header so you can view and test websites with a different locale.
939 users
Slither.io Mods, Zoom, Unlock Skins, Bots
The Best Mod and Extension for Slither.io! Mod Zoom, Play with Friends, Skins, Custom Skins, Bots
932 users
PageSpeed Insights
Open PageSpeed Insights to analyze the web page on the current opened tab.
931 users
OpenLorem
Lorem Ipsum filler text for web developers. Uses Loripsum, Bacon Ipsum and Dino Ipsum APIs to retrieve customized text. Insert into fields using context menu. Source code is available on Github.
929 users
Resize Window & Viewport
Resize browser window or viewport to desired screen widths. Firefox's Responsive Design Mode (Ctrl + Shift + M) is great for mobile devices emulation.
922 users
ProxyControl
Manage setting of connect of proxy in your browser so quickly and so easily as you want.
903 users
Color Picker
A simple color picker extension. Easily pick any color on the screen, view history of picked colors, and copy or clear them with a single click.
891 users
Reading List/ Reading History Exporter
Export your lists and reading history to CSV, HTML, JSON, or PDF.
887 users
LightSession Pro for ChatGPT
Fix slow, laggy ChatGPT tabs in Firefox. Local-only extension that speeds up long conversations by trimming old messages from the page (no data leaves your browser).
886 users
Simple Link Checker
Redirect Link Checker will check all links on your page to find broken and redirect links
884 users
IP Whois
View info about IP, DNS records, SSL, country flag, domain whois, location, stats and more of any website.
881 users
