Extensions
stylish-hub
A browser extension that brings a new GitHub experience
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!
ModHeader
Modify HTTP request and response headers
RestMan
RESTMan is a browser extension to work on http requests.
GitHub Projects Plus
Adds advanced labels management and other functionality to GitHub.
Disable Cookies
Disable cookies for current domain.
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.
RDS bar
Quick SEO analysis of websites and pages, designed for webmasters and SEOs.
SEO-tools
SEO-tools - информация о доменах, аудит сайтов на SEO ошибки, а также технический аудит любой страницы. Свыше 100 онлайн сервисов
Edit with Adobe Photoshop
Adds a context menu item to send image links directly to Adobe Photoshop photo editor
Advanced Site Checker
Check your site for issues.
Responsive Web Design Tester
Responsive Web Design Tester is a quick and easy way to test your responsive website.
Font Inspector
Click on any HTML element to get the font info in a popup!
BuiltWith Technology Profiler
Find out what the website you are visiting is built with using this extension.
Custom Style Script
Add Custom JavaScript (JS) Code or Styles (CSS) to any Page.
OCR - Image Reader
A powerful optical character recognition (OCR) extension to capture and convert images to text
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, ...
Edit the Page
Toggles the 'Design Mode' so that you can edit the contents of the page.
Google Analytics Debugger
A browser extension for debugging Google Analytics tracking code
Apple Docs Force Default Language
Forces Apple's developer documentation to always open in a specific language
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.
AddCSS
This extension allows you to add your own custom website specific CSS style sheets.
Live HTTP Headers
Monitor all HTTP/HTTPs traffic from your browser.
NetworkMonitor
Shows the response times and uptime of a desired server. Useful to see how performs internet or a wireless access point.
Modify Header Value
Add, modify or remove a header for any request on desired domains.
Polypane helper
Open the current page or links in Polypane, the developer tool for responsive web development and design.
Block Yourself from Analytics
Block your Google Analytics™ activity for the websites you own, no more false stats.
Novibyte Issues Plugin
Jira Issues Management
Random password generator
A simple random password generator for Opera browser
GitHub (Enterprise) Projects Plus
[Deprecated] Adds advanced labels management and other functionality to GitHub.
Open in Pale Moon
Open current page, link, or all tabs in the Pale Moon browser.
Right Click Validator
Right click on any webpage to validate it using the W3 NUValidator service.