Reload Skip Cache Button
Reload page without using content stored in the browser cache to make sure you get any updates.
1.046 usuários
Self-Destructing Cookies (WebEx)
Delete cookies when browser is closed or once the tab is closed to prevent possible trackings (similar to Ove's Self-Destructing Cookies which is not compatible with FF57 anymore)
1.038 usuários
Dark Mode Website Switcher
Adjusts the website's color scheme, so that all websites are dark by default, if they have a special design for that. It makes websites look dark even with a light system style.
1.036 usuários
Online Tools by 10015.io
Case converter, image cropper, CSS triangle generator, base64 encoder/decoder, HEX to RGBA converter, YouTube thumbnail grabber, QR code generator and many more online web tools
1.034 usuários
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
1.011 usuários
React Context DevTool
React Context DevTool is a debugging tool for React Context and useReducer API.
992 usuários
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.
990 usuários
Advent of Code Charts
Inject charts in your private leaderboard page for Advent of Code - see https://github.com/jeroenheijmans/advent-of-code-charts
983 usuários
PX: Viewport Dimensions
Displays the viewport dimensions when a browser window is resized.
978 usuários
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
976 usuários
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.
965 usuários
SQLite Viewer
A tabular SQLite viewer and editor that supports opening of multiple databases
961 usuários
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.
957 usuários
Youtube Play All
Adds a 'Play All' button to YouTube, allowing video playback in Latest, Popular, or Oldest order.
957 usuários
PageSpeed Insights
Open PageSpeed Insights to analyze the web page on the current opened tab.
951 usuários
Penetration Testing Kit
Attention! This version is no longer supported. Use /firefox/addon/owasp-penetration-testing-kit/ extension instead.
947 usuários
