Tampermonkey Editors
Online editor support for Tampermonkey's userscripts
708 users
Penetration Testing Kit
Attention! This version is no longer supported. Use /firefox/addon/owasp-penetration-testing-kit/ extension instead.
705 users
InlineDisposition Reloaded
InlineDisposition Reloaded changes the disposition type of "Content-Disposition" response headers from "attachment" and "file" to "inline"
704 users
Random password generator
A simple random password generator for Firefox browser
702 users
Bug Magnet
Right-click context menu to help with exploratory testing
700 users
OdooTerminal
Terminal for Odoo (v11-18. CE & EE) Works on backend & frontend (with limitations) Press "CTRL + ," to toggle terminal or use the browser action icon.
700 users
Favicon Detector
A simple way to detect website icons.
695 users
Invisible Video Downloader
Silently downloads all video resources on page load
694 users
RDS bar (seo: pr, dmoz, alexa, seomoz)
RDS Bar is a handy tool for quick analysis of website and page SEO indicators, designed for webmasters and optimizers. And also with a number of useful features for ordinary users.
693 users
Request Interceptor
Intercept HTTP and HTTPS Requests. Add custom rules to modify request/response headers, block/redirect requests, modify query params. Example Usage: This extension can be used to block all ads having url (*/ad.x.com/*) by creating rules
690 users
Cloudflare Optics
Cloudflare Optics is a browser extension that helps display interesting information when you visit a site, particularly if that site is proxied through Cloudflare.
689 users
Disable CSP for a minute
Temporarily disables CSP for the current tab's website. Right click on the page, then disable CSP.
689 users
Permanent Inspect Element
Save the changes you make to a page with Inspect Element so they wouldn't go away after refreshing
688 users
Table Extractor - TableConvert
Instantly convert tables on any webpage to multiple formats
688 users
SugarMelt
Allows you to change font/style; also adds cheats
683 users
Toggle Cache
Disables or enables the browser cache.
675 users
SQLite Reader
Easily browse, edit and manage SQLite database inside your browser!
674 users
Live Reload — monitor and reload html, css, js
Addon for web devs. Monitor included JS, CSS and/or HTML in frames and automatically reload the host page when a change is detected in the included source. Supports inline reloading of stylesheets and frames without reloading the host page.
671 users
Proxy Checker
Check the quality of your proxies' IPs in bulk.
670 users
CSS Stacking Context inspector
Helps inspecting the css stacking contexts and solving the z-index war.
670 users
es-client
elasticsearch管理客户端
670 users
Netmirror Extension
Add, modify or remove a header for any request.
668 users
Custom CSS
Overwrite or inject custom CSS into website.
667 users
Font Inspector (WebExtension)
Click on any element to get the font info in a page popup
659 users
Responsify viewer
A simple slider to check the responsivness of the website.
651 users