ruler
Simple tool for measuring arbitrary parts of a page. Does not and will never contain adware.
6,617 位使用者
All Downloader Professional
All Downloader Professional finds links, images, videos, documents on a website an make them downloadable.
6,548 位使用者
IPvFoo
Display the server IP address, with a realtime summary of IPv4, IPv6, and HTTPS information across all page elements.
6,395 位使用者
Detailed SEO Extension
Get SEO insights at the click of a button to any website you're currently on. Built by full-time SEO's for daily analysis.
6,291 位使用者
JavaScript Switcher
A lightweight addon that adds a Toggle button in URL bar, for toggling JavaScript (on or off) individually per domain, and stores that for future visit. Works also with Firefox 57+.
6,212 位使用者
Live Server Web Extension
Live Reload feature for Dynamic content (PHP, Node.js, ASPNET - Whatever, it doesn't matter). This extension is for Live Server - VSCode Extension (required v3.0.0+).
6,002 位使用者
Dark Mode - Night Eye
With Dark Mode - Night Eye, you can easily switch websites between dark and light mode as desired to take care of your eyes and reduce eye strain. Make your online experience more comfortable and enjoyable with this simple and convenient tool.
5,890 位使用者
FoxyProxy Basic
FoxyProxy is an open-source, advanced proxy management tool that completely replaces Firefox's limited proxying capabilities. No paid accounts are necessary; bring your own proxies or buy from any vendor. The original proxy tool, since 2006.
5,825 位使用者
HackBar
A HackBar for new firefox (Firefox Quantum). This addon is written in webextension and alternatives to the XUL version of original Hackbar. Press F12 to use HackBar
5,558 位使用者
SmartProxy
SmartProxy is a smart automatic proxy switcher that will automatically enable/disable proxy for the sites you visit, based on customizable rules.
5,474 位使用者
Google Analytics Opt-out
Prevents the Google Analytics and Tag Manager's JavaScript APIs from collecting data and recording the user
5,455 位使用者
Full Screen for Firefox
Go full screen with one click on the full screen button. That includes also the full screen movies such as YouTube, Vimeo, etc.
5,432 位使用者
HeadingsMap
The extension generates a document-map or index of any web document structured with headings and/or with sections in HTML 5. It shows the headings structure, the errors in the structure (ie. incorrect levels), and it works as HTML5 Outliner too.
5,417 位使用者
Zoom for Firefox
Zoom in or out on web content using the zoom button and mouse scroll wheel for more comfortable reading. That to each percent value. It helps you to zoom easily in and out a web page. Thanks to the slider and the zoom buttons.
5,306 位使用者
Ui.Vision
Open-source Ui.Vision is RPA software for task & test automation. It is 3 tools in 1: Visual BROWSER automation with Selenium IDE import/export, 2: Visual DESKTOP automation and 3: (optional) Prompting with integrated Anthropic Claude Computer Use
5,216 位使用者
Native MPEG-Dash + HLS Playback
Allow the browser to play HLS (m3u8) or MPEG-Dash (mpd) video urls 'natively'. This is a fork of Native HLS with additional features. Click on any m3u8 or mpd link inside Firefox to play it directly in a new tab
5,155 位使用者
simple-modify-headers
The extension rewrite the header (request or response) based on a rules table. It 's possible to add, modify or remove header fields for a choosen url pattern. It's possible to import/export the configuration
4,925 位使用者
