Leudachain
Novibyte Issues Plugin
Jira Issues Management
Responsive Web Design Tester
Responsive Web Design Tester is a quick and easy way to test your responsive website.
GitHub (Enterprise) Projects Plus
[Deprecated] Adds advanced labels management and other functionality to GitHub.
Advanced Site Checker
Check your site for issues.
AddCSS
This extension allows you to add your own custom website specific CSS style sheets.
Font Inspector
Click on any HTML element to get the font info in a popup!
Custom Style Script
Add Custom JavaScript (JS) Code or Styles (CSS) to any Page.
Block Yourself from Analytics
Block your Google Analytics™ activity for the websites you own, no more false stats.
Picture in Play
Indicates whether the `picture` element is in use on a 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.
RDS bar
Quick SEO analysis of websites and pages, designed for webmasters and SEOs.
OCR - Image Reader
A powerful optical character recognition (OCR) extension to capture and convert images to text
AddJS
This extension allows you to add your own custom website specific JavaScript.
Random password generator
A simple random password generator for Opera browser
BuiltWith Technology Profiler
Find out what the website you are visiting is built with using this extension.
Live HTTP Headers
Monitor all HTTP/HTTPs traffic from your browser.
stylish-hub
A browser extension that brings a new GitHub experience
Edit the Page
Toggles the 'Design Mode' so that you can edit the contents of the page.
Modify Header Value
Add, modify or remove a header for any request on desired domains.
Edit with Adobe Photoshop
Adds a context menu item to send image links directly to Adobe Photoshop photo editor
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!
Get Thumbnails or Image to video YouTube
Make thumbnail previews or images from YouTube videos
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 with Paint.Net
Adds a context menu item to send image links directly to Paint.Net photo editor
JIRA Template Injector
The description field of new JIRA issues will automatically be populated with a template relevant to the issue type
NetworkMonitor
Shows the response times and uptime of a desired server. Useful to see how performs internet or a wireless access point.
PDF API HTML5
Mini SDK JavaScript and APIs library to create PDF file for web apps
HTTP Headers
Quickly view the HTTP headers of the current tab.
fonts infos
An extention to show/inspect and analyze fonts in web-pages.
Web Capture for Jira
Take a screenshot, annotate it and upload directly to Jira.
(X)HTML5 Checker
A small extension to validate the markup of current tab