NoCoffee
NoCoffee vision simulator. Originally written by Aaron Leventhal for Chrome.
557 users
Clear Cache and Data
Clears the browser cache and other selected storage.
553 users
Marker.io: Visual bug reporting
Visual bug reporting tool: save time & report visual issues in seconds with all data your devs need.
551 users
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.
547 users
W3Techs Website Technology Information
Shows which web technologies the current site is using.
545 users
Image Converter
Convert and save images as JPG or PNG
543 users
Temporary Email - EmailOnDeck
Superior Temporary Email Solutions - Extension does not track, read or view the websites you visit.
540 users
Burp Proxy Switch Toggle Lite by ZishanAdThandar
Ethical Hackers|Bug Hunters|Pentesters|Cyber Security Researcher. Lightweight Burp Proxy switch. Note: Goto "about:addons" > "Extensions > Click on Burp >"Allow" "Run in Private Windows" #CyberSec #InfoSec #Hack #offsec
532 users
All-In-One PageSpeed Test
Test any website performance with main test tools with one single click: Google PageTest Insights, GTmetrix, Yellow Lab Tools
531 users
Inspector DOM Sidebar
Adds a new sidebar to the developer tools inspector panel, that shows the properties of the selected element.
531 users
Cookies and HTTP Headers analyser
This extension analyses, according to OWASP guidelines, the cookies and the headers in the active tab.
531 users
Onion Control (anonymous proxy)
Brings the anonymity of the Tor network and modifies few settings to protect user privacy
529 users
PeerName: Surf Blockchain-Based Domains
Enables the resolving of Dot-BIT domains by Namecoin. Also .emc, .coin, .lib and .bazar domains by EmerCoin.
527 users
Remove/Crop-to Selection
Remove or crop-to selection from context menu so that you can print or save only the parts you need. Additionally you can remove clicked elements and also remove ads, videos or other third-party content from web pages.
518 users
Compat Report
Shows a report of browser compatibility issues using data from MDN
518 users
Remove HTML Elements
Easily remove desired HTML5 elements with just one click!
515 users
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.
512 users
Owl devtools
Firefox devtools extension for Odoo Owl framework
511 users
PDF to JPG Converter
Convert PDF documents to high-quality JPG/JPEG images
509 users
Easy XSS
XSS made Easy. Easy XSS makes it possible for you to text XSS with just 2 mouse clicks.
508 users
Autofill Extension
The Autofill Extension is a convenient tool that automates the process of filling out personal information on websites. It simplifies signing up for new accounts or providing personal details by automatically populating text input
506 users
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.
505 users
Taskade - AI Agents, Chat Bots, & Task Automation
Supercharge your productivity! Build, train, and deploy AI agents to automate tasks, generate insights, and collaborate in real-time. Transform every new tab into a powerful AI-powered workspace with real-time task lists, tables, mind maps, and more.
503 users
FiddlerFox
Allows you to point Firefox to your fiddler instance if it doesn't refresh the proxy settings after Fiddler has started.
501 users
Notifier for GitHub
Get notified about new GitHub notifications
500 users