SEO Site Tools, Site Analysis
One-click SEO extension. Quick access to SEO analysis. Features: website indexed pages, backlinks, Alexa, IP, SEO stats and tools.
993 users
CustomCSS Injector
- Apply any CSS rules for any websites, including iframes. - Whitelist and Blacklist functionality - Apply CSS rules to specific URLs, Domains or Globally - Syntax highlighting & line numbers - Update without page refresh
974 users
OpenLorem
Lorem Ipsum filler text for web developers. Uses Loripsum, Bacon Ipsum and Dino Ipsum APIs to retrieve customized text. Insert into fields using context menu. Source code is available on Github.
974 users
Quick Accept-Language Switcher
Provides a quick way of changing the HTTP Accept-Language header so you can view and test websites with a different locale.
971 users
SQLite Viewer
A tabular SQLite viewer and editor that supports opening of multiple databases
966 users
Userchrome Toggle Extended
This extension allows you to toggle userchrome.css styles on-the-fly with buttons and hotkeys. You'll be able to switch up to six styles
965 users
IEability - Open in IE
Runs Internet Explorer (IE) in Firefox with IE Tab mode, supporting legacy websites, Java, ActiveX, Flash and enterprise systems.
964 users
PageSpeed Insights
Open PageSpeed Insights to analyze the web page on the current opened tab.
962 users
Resize Window & Viewport
Resize browser window or viewport to desired screen widths. Firefox's Responsive Design Mode (Ctrl + Shift + M) is great for mobile devices emulation.
960 users
Slither.io Mods, Zoom, Unlock Skins, Bots
The Best Mod and Extension for Slither.io! Mod Zoom, Play with Friends, Skins, Custom Skins, Bots
945 users
codebox-一键复制代码/下载文章
本插件可以用于CSDN/知乎/脚本之家/博客园等网站,实现无需登录一键复制代码;支持选中代码;或者代码右上角按钮的一键复制;解除关注博主即可阅读全文提示;去除登录弹窗.
934 users
Simple Link Checker
Redirect Link Checker will check all links on your page to find broken and redirect links
934 users
show-my-ip
This add-on allows you to view your IP address from your browser without having to navigate to sites like https://www.whatismyip.com/ Furthermore, as this add-on is open source, you don't need to be worried about your privacy.
928 users
RemoveYouTubePause
Remove the 'Video paused. Continue watching?' message on YouTube, allowing for a seamless video and audio experience without interruptions, on Firefox for both desktop and mobile.
924 users
ProxyControl
Manage setting of connect of proxy in your browser so quickly and so easily as you want.
915 users
Block Yourself from Analytics
Block your Google Analytics™ activity for the websites you own, no more false stats.
901 users
Color Picker
A simple color picker extension. Easily pick any color on the screen, view history of picked colors, and copy or clear them with a single click.
892 users
SEO Inspector
SEO Inspector scans the active page and applies a set of customizable rules to its contents. The results of the scan are displayed on a simple, elegant interface for manual inspection.
886 users
