Extensões
{DOM.Tree}
This extension show the element of a document in a tree view!
Colored favicons for Salesforce
Make the favicon in different color based on which salesforce instance your are loggen into.
Check Wordpress Version
WordPress Vulnerability Scanner - Scan for vulnerabilities, version, themes, plugins and much more!
PixelGrid
The tool to overlap your website layout with a grid.
Strike Out Nofollow Links
Just strikes out nofollow links via CSS3 selectors.
retire.js
Scanning website for vulnerable js libraries
.no { CSS }
Opera 12 reminiscent Shift-G CSS zapper (use Alt-G)
Сервис подборки цвета
SEO TOOLS - YATEO
Opens all the essential tools for SEO in one click.
SEO Nofollow links highlighter
Highlight all nofollow links on any site you want. Excellent for SEO purposes.
Alix
Alix allows you to lint your HTML for Accessibility issues simply by applying a stylesheet that makes use of advanced CSS selectors.
Giraffe
Github diff helper
When you have too many files in one github diff, this extension helps you filter out the noise
Nextsense PDF Signing Component
Signing PDF document.
md5 hash generator
MD5 hash generator (offline mode)
Selenium Page Object Generator
A nimble and flexible Selenium Page Object Model generator to improve agile testing process velocity.
Modify O Tabs
Automatically pin or rename a tab of a site you specify or change its icon.
CSS Shapes Editor
Interactive editor for CSS Shapes.
DomainUserAgent
This extension changes the UserAgent sent by your browser on a per-domain base. You can set up a different UserAgent for a specific domain, but still use the default one otherwise.
Encode Decode HTML
Encode HTML to show it in the HTML pages a code instead of rendered HTML. Decode HTML to convert it back to HTML code
Internet Archive This
Submits the current tab to the Internet Archive (must be publicly accessible).
sha1 hash generator
SHA1 hash generator (offline mode)
SML
Allows Opera 15+ to display SML web pages
Search Overflow
Search Stack Overflow answers right from DevTools
W3C Markup Validation Service
This validator checks the markup validity of Web documents in HTML, XHTML, SMIL, MathML, etc.
Arc Admin App Access
access Arc Publishing admin environments
GitHub Source Code Minimap
GitHub Source Code Minimap
SEO Wykop - wycena stron, analiza SEO
Builds Tab for Github
Adds a builds tab to Github repos.
chevent
Notifier for GitHub
Displays your GitHub notifications unread count
TO Helper
TO Helper allows you speed up your daily work as Chat Mod.