Reload Skip Cache Button
Reload page without using content stored in the browser cache to make sure you get any updates.
1,037 users
Dynamics 365 Power Pane
The CRM Power Pane is a helper tool designed to integrate with Microsoft Dynamics CRM application and allow you to manipulate forms.
1,030 users
PX: Viewport Dimensions
Displays the viewport dimensions when a browser window is resized.
1,026 users
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
1,023 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
1,020 users
Rotate that Video Player
Improve your video experience by effortlessly rotating your video clips by 90, 180, or 270 degrees.
1,018 users
React Context DevTool
React Context DevTool is a debugging tool for React Context and useReducer API.
1,013 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.
996 users
Advent of Code Charts
Inject charts in your private leaderboard page for Advent of Code - see https://github.com/jeroenheijmans/advent-of-code-charts
994 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
986 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.
949 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.
949 users
Penetration Testing Kit
Attention! This version is no longer supported. Use /firefox/addon/owasp-penetration-testing-kit/ extension instead.
948 users
SQLite Viewer
A tabular SQLite viewer and editor that supports opening of multiple databases
947 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
946 users
PageSpeed Insights
Open PageSpeed Insights to analyze the web page on the current opened tab.
945 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.
942 users
Instant Data Scraper reboot
A cross-browser extension for extracting data from web pages, optimized for Firefox compatibility. Instant Data Scraper extracts data from web pages and exports it as Excel or CSV files.
937 users
Youtube Play All
Adds a 'Play All' button to YouTube, allowing video playback in Latest, Popular, or Oldest order.
933 users
