延伸套件
CryptoPro Extension for CAdES Browser Plug-in
CryptoPro Extension for CAdES Browser Plug-in allows to use CryptoPro CSP from JavaScript in browsers
EditThisCookie
EditThisCookie is a cookie manager. You can add, delete, edit, search, protect and block cookies!
User-Agent Switcher
User-Agent Switcher is a quick and easy way to switch between user-agents.
Super Auto Refresh
Auto-refresh (reload) pages, on a selected interval. NO ADs. SUPER EASY.
Web Developer
Adds a toolbar button with various web developer tools. The official port of the Web Developer extension for Firefox.
JavaScript Switcher
Quick way to enable/disable Javascript
Save All Images
a customizable extension to save selected images from the current tab page
JsonViewer
Formats and highlights JSON data loaded from file or server.
HTML5 Editor
HTML5 Editor with CSS, JS, HTML validator and beautify code
RestMan
RESTMan is a browser extension to work on http requests.
SeoQuake extension
SEOquake is a free plugin that provides you with key SEO metrics, along with other useful tools such as SEO Audit and many others
Open in Google Chrome
Open current page, link, or all tabs in the Chrome browser.
Stylus
Stylus，一个用户样式管理器，帮助您重新定义网页样式。Stylus易于为Google，Facebook，Youtube，Orkut以及其它各类型网站安装样式和主题。
RDS bar
Quick SEO analysis of websites and pages, designed for webmasters and SEOs.
Full Screen
Go full screen with one click on the button.
Opera TV Emulator
The Opera TV Emulator enables any developers to test and debug their HTML5 apps for the Opera TV platform.
Disable Cookies
Disable cookies for current domain.
Live HTTP Headers
Monitor all HTTP/HTTPs traffic from your browser.
Responsive Web Design Tester
Responsive Web Design Tester is a quick and easy way to test your responsive website.
PerfectPixel by WellDoneCode
This extension helps develop your websites with per pixel accuracy!
Firebug Lite for Opera 15+
与Firebug相同的外观，实时检查HTML，修改样式，强大的console功能，清爽版Firebug等你体验。
Internet Speed Test
Test your internet connection speed (upload and download) from a toolbar panel
Extension source viewer
View source code of extensions in the Chrome Web Store, Firefox or Opera addon gallery. Has button to install from Chrome Web Store.
RESTED
A REST client for the rest of us
Custom Style Script
Add Custom JavaScript (JS) Code or Styles (CSS) to any Page.
Font Finder
Get all CSS styles of selected text
PDF API HTML5
Mini SDK JavaScript and APIs library to create PDF file for web apps
Modify Header Value
Add, modify or remove a header for any request on desired domains.
JavaScript QR Code
Make QR Codes in JavaScript
Web Sniffer
View all HTTP Requests and Responses sent between the Web browser and the Web server.