Dark Mode Everywhere
Every website gets a night look, automagically!
472 brûkers
Inspector DOM Sidebar
Adds a new sidebar to the developer tools inspector panel, that shows the properties of the selected element.
469 brûkers
JSON Beautify It
Tool for beautifying JSON data, AJAX or API responses in browser
469 brûkers
Cache Cleaner
Modern Browser Addon to easily clean selected cache items for specific sites or the whole browser with a single key press, from the right-click context menu or via the toolbar icon popup. Allows clearing Cache Storage in Firefox for the current site.
466 brûkers
All-In-One PageSpeed Test
Test any website performance with main test tools with one single click: Google PageTest Insights, GTmetrix, Yellow Lab Tools
465 brûkers
Onion Control (anonymous proxy)
Brings the anonymity of the Tor network and modifies few settings to protect user privacy
465 brûkers
Show Server IP
Show the Server IP without interacting with external Sites. If you are behind a proxy it will only show the IP of the Proxy!
459 brûkers
Easy Screenshot - a Web Clipper
Easy Screenshot is an easy-to-use visual part, the entire page, or a selective screen capturing tool.
455 brûkers
Cookies and HTTP Headers analyser
This extension analyses, according to OWASP guidelines, the cookies and the headers in the active tab.
454 brûkers
FPS meter
Show fps graph
453 brûkers
ScratchTools
Great tools to make Scratching easier!
452 brûkers
Free Modern ChatGPT for Fire Fox - ZChatGPT
Fully Free extension to allow Firefox users to use ChatGPT in any tab without the need to open ChatGPT or having account.
452 brûkers
FiddlerFox
Allows you to point Firefox to your fiddler instance if it doesn't refresh the proxy settings after Fiddler has started.
449 brûkers
Majestic Backlink Analyzer
Majestic Backlink Analyzer gives instant insight into the number of backlinks and domains linking to the URL and domain you are currently browsing. Majestic users can drill down to see the links, topics and add them to their Majestic bucket list.
441 brûkers
Save Image As PNG
Adds 'Save Image As PNG' option to the context menu of images
440 brûkers
Decodo(Smartproxy) Extension
Start using proxies with Firefox Proxy Add-on. Effortlessly bring all the essential proxy features into your Firefox browser with the Decodo add-on.
439 brûkers
superSearchPlus
superSearchPlus高效收集信息 by 不懂安全的开发
438 brûkers
JShelter
JShelter controls the APIs provided by the browser. The goal is to improve the privacy and security of the user running the extension.
438 brûkers
SnowEyes
洞悉无形,守护无界
437 brûkers
Three.js Developer Tools
Developer tools for 3D library three.js.
435 brûkers
Notifier for GitHub
Get notified about new GitHub notifications
435 brûkers
Compat Report
Shows a report of browser compatibility issues using data from MDN
431 brûkers
ZIP Manager
Open local and remote ZIP archives to extract all files or a single one
430 brûkers
Tota11y: Accessibility toolkit
Inserts the tota11y JS file from Khan Academy into the current tab so that you can visualize how the current page performs with assistive technologies. All the credit goes to Khan Academy for their amazing script.
430 brûkers
Enable Select Copy +Edit
A toolbar button to enable selection, copy and typing editing web text redirectly in a tab
429 brûkers