Heading Tag Markup
This extension visual highlights the h-Tag on every page.
220 utents
Switch Direction
Switch Direction in edits, useful for mixed RTL and LTR texts editing.
219 utents
Angular state inspector
Helps you to debug Angular component state. Supports Angular 1/2+/Ivy/hybrid!
218 utents
Extension Manager
Quickly and Easy enable, disable, uninstall, custom group or nickname, star or top and export CSV extensions for Mozilla addons.
217 utents
User-Agent Switcher and Simulator
Switch browser UserAgent to simulate different devices and browsers
217 utents
复制链接/标签名称和地址
Copy the name and URL of a link or a Tab. 复制链接或标签页的名称和地址
217 utents
Eye-Able® Audit for WCAG
Check your website for the most common WCAG/ADA errors.
217 utents
WordPress Theme Detection - ThemeDetect.com
Find out which theme a WordPress site is using with the help of ThemeDetect.com
216 utents
MDN Search
To use, type 'mdn' plus your search term into the url bar. Works for JavaScript and CSS reference articles.
216 utents
Browserling - Cross-browser testing
Cross-browser test websites in the most popular browsers such as Internet Explorer, Edge, Chrome, Firefox, Safari and Opera. Try for free!
216 utents
谷歌服务助手
主要用于开发者访问Google 、Android等网站,简单易 使用,自由零距离。如果你是一名学者,你也可以用于 学术用途访问谷歌学术。值得注意的是这款附加组件并 不支持访问搜索结果中的所有网站,非常抱歉。如果你 想继续访问,可以尝试通过使用在线代理工具或安装支 持全局代理的火狐插件, 如Hoxx VPN。 插件来源于Chrome拓展商店,联系侵删。
216 utents
NetSuite Toolbox
Several tools to work better with netsuite. For more informations: https://github.com/vinikira/netsuite-toolbox/blob/master/README.md
216 utents
Eval Villain
Hook native JavaScript functions before page load to see how a website uses them. Narrow down output based on the appearance of URL and session artifacts, user configured strings/regex, blacklists and more.
215 utents
Pesticide for Firefox
This extension inserts the Pesticide CSS into the current page, outlining each element to better see placement on the page. Copyright (c) 2014 Paul Molluzzo picked up by Samuel Corsi-House in 2020.
214 utents
Adobe Target VEC Helper
Load your website's desktop and mobile views effortlessly in Adobe Target with the VEC helper extension
214 utents
Easy QR
Easy QR code, the best QR extension. Generate offline QR Code with a simple click!
212 utents
VPN Master - Free HTTP and SOCKS Proxies
A free reliable VPN solution based on HTTP, SOCKS4, and SOCKS5 proxy servers
212 utents
Simple JavaScript Injector
This addon creates a small popup that lets you paste some JS code and inject it into the page you are currently seeing.
211 utents
New Hackbar
A sitebar that helps pentesters to perform manual web security testing inside their browser. This addon is written in webextension and alternatives to the XUL version of original Hackbar.
211 utents
Polypane helper
Open the current page in Polypane using the button in your task bar, or right click any link to open that URL in Polypane. Polypane, the browser for responsive web development and design
211 utents
Form Filler
This extension will help developers to fill random values in the form.This extension is a boon for developers as this helps developers to fill forms easily. Developers and testers can use this to add junk values.There are a lot of easter eggs as well
208 utents
EXIFdata Viewer
EXIFdata Viewer is a powerful browser extension that allows you to view and analyze the metadata of images, including EXIF, IPTC, and XMP data. With this extension, you can uncover the hidden details of your images.
206 utents
HackBar For Quantum
HackBar Quantum is a sidebar that helps you with web application security testing. This add-on is a predecessor to the original HackBar that is not compatible with Firefox Quantum. This is still in beta phase, lots of things are yet to come :) .
205 utents
Edit
Format Text, Replace, Insert HTML, BBCode, Markdown & Custom Texts
205 utents
かんたん文字数カウント
選択したテキストの文字数を数えることができるFirefox アドオンです。 記事の文字数の確認や校正などにご活用ください。
205 utents