Rozšíření
(X)HTML5 Checker
A small extension to validate the markup of current tab
Rabbit URL Opener
Rabbit URL Opener - Bulk URL's Opener Extension just lets you open multiple URLs at once
Webfonting it!
The simplest extension for working with web fonts
.no { CSS }
Opera 12 reminiscent Shift-G CSS zapper (use Alt-G)
Edit with Paint.Net
Adds a context menu item to send image links directly to Paint.Net photo editor
Nextsense PDF Signing Component
Signing PDF document.
PageSpeed Insights
This will take the URL of the current tab and send it to PageSpeed Insights for a web performance analysis.
WebMoney Advisor Next
Internet users feedback about the sites
Open in GIMP photo editor
Adds context menu items to send image links and image files directly to the GIMP photo editor
Edit with Sublime Text
Edit an HTML element and all its child nodes in Sublime Text editor with real-time updates
MultiPass
Automatically login to Basic Authentication using data based on URL regexp.
PixelGrid
The tool to overlap your website layout with a grid.
Selenium Page Object Generator
A nimble and flexible Selenium Page Object Model generator to improve agile testing process velocity.
Blendup
A tool for web developers to preview blend modes on different page elements.
Wayback machine website
Online service that have 452 billion web pages saved over time and who is domain tool in context menu
Income monitor
Fast balance viewer for your affiliate networks and partner programs
Modify O Tabs
Automatically pin or rename a tab of a site you specify or change its icon.
W3C Markup Validation Service
This validator checks the markup validity of Web documents in HTML, XHTML, SMIL, MathML, etc.
OctoLinker
OctoLinker – Links together, what belongs together.
Определение CMS - iTrack
Расширение для определения CMS сайта
MenuButton
Custom menu allows the user to create a menu to access various network resources.
Colored favicons for Salesforce
Make the favicon in different color based on which salesforce instance your are loggen into.
SEO Nofollow links highlighter
Highlight all nofollow links on any site you want. Excellent for SEO purposes.
KML/KMZ Viewer
Can be used to view KML/KMZ Files in the browser.
CSS Shapes Editor
Interactive editor for CSS Shapes.
GitHub Source Code Minimap
GitHub Source Code Minimap
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
md5 hash generator
MD5 hash generator (offline mode)
retire.js
Scanning website for vulnerable js libraries
showHTML
This extension shows information about HTML elements on a web page when you hover over them.
sha1 hash generator
SHA1 hash generator (offline mode)