Extensions
Metamorph
Git Analytics made simple.
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.
stylish-hub
A browser extension that brings a new GitHub experience
Font Inspector
Click on any HTML element to get the font info in a popup!
Advanced Site Checker
Check your site for issues.
Custom Style Script
Add Custom JavaScript (JS) Code or Styles (CSS) to any Page.
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.
ModHeader
Modify HTTP request and response headers
TeamCity Notifier
Shows notifications about various events in TeamCity
Live editor for CSS and LESS - Magic CSS
Live preview of CSS/LESS code with an in-page editor. Autocomplete, convert LESS to CSS, beautify, minify, CSS reloader, linter, ...
SEO-tools
SEO-tools - информация о доменах, аудит сайтов на SEO ошибки, а также технический аудит любой страницы. Свыше 100 онлайн сервисов
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!
BuiltWith Technology Profiler
Find out what the website you are visiting is built with using this extension.
Block Yourself from Analytics
Block your Google Analytics™ activity for the websites you own, no more false stats.
Apple Docs Force Default Language
Forces Apple's developer documentation to always open in a specific language
AddCSS
This extension allows you to add your own custom website specific CSS style sheets.
OCR - Image Reader
A powerful optical character recognition (OCR) extension to capture and convert images to text
Live HTTP Headers
Monitor all HTTP/HTTPs traffic from your browser.
NsLookup - Find DNS Records
A simple and powerful tool for querying DNS records
InTab - Code CSS 2X Faster
Develop Responsive Web Pages Faster.
Random password generator
A simple random password generator for Opera browser
Edit the Page
Toggles the 'Design Mode' so that you can edit the contents of the page.
WordPress Theme and Plugins Detector
Cet outil détecte les thèmes et les plugins utilisés sur les sites WordPress et affiche des informations à leur sujet.
NetworkMonitor
Shows the response times and uptime of a desired server. Useful to see how performs internet or a wireless access point.
Website Analysis & SEO Tool
Website SEO audit tool that provides website analysis in SEO, performance, validity, security, accessibility and other criteria.
DNS Checker - SEO and Domain Analysis
SEO and Domain Analysis Tool by DNS Checker. Provides SEO Report, Meta Redirects and 404s, Client IP, Domain IP & Geo Location, etc
PixelGrid
The tool to overlap your website layout with a grid.
Polypane helper
Open the current page or links in Polypane, the developer tool for responsive web development and design.
Google Analytics Debugger
A browser extension for debugging Google Analytics tracking code
HTTP Headers
Quickly view the HTTP headers of the current tab.
AddJS
This extension allows you to add your own custom website specific JavaScript.