Extensions
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
HTML5 Editor
HTML5 Editor with CSS, JS, HTML validator and beautify code
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.
RDS bar
Quick SEO analysis of websites and pages, designed for webmasters and SEOs.
Open in Google Chrome
Open current page, link, or all tabs in the Chrome browser.
Stylus
Redesign the web with Stylus, a user styles manager. Stylus allows you to easily install themes and skins for many popular sites.
RestMan
RESTMan is a browser extension to work on http requests.
PerfectPixel by WellDoneCode
This extension helps develop your websites with per pixel accuracy!
Internet Speed Test
Test your internet connection speed (upload and download) from a toolbar panel
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
Opera TV Emulator
The Opera TV Emulator enables any developers to test and debug their HTML5 apps for the Opera TV platform.
Modify Header Value
Add, modify or remove a header for any request on desired domains.
Responsive Web Design Tester
Responsive Web Design Tester is a quick and easy way to test your responsive website.
Disable Cookies
Disable cookies for current domain.
Full Screen
Go full screen with one click on the button.
RESTED
A REST client for the rest of us
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.
Font Finder
Get all CSS styles of selected text
CORS Toggle
Adds Access-Control-Allow-Origin, Access-Control-Allow-Methods and Access-Control-Allow-Headers headers for CORS.
Live HTTP Headers
Monitor all HTTP/HTTPs traffic from your browser.
PDF API HTML5
Mini SDK JavaScript and APIs library to create PDF file for web apps
Edit the Page
Toggles the 'Design Mode' so that you can edit the contents of the page.
BuiltWith Technology Profiler
Find out what the website you are visiting is built with using this extension.
Octotree
Code tree for GitHub