Mga extension
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
Selenium Page Object Generator
A nimble and flexible Selenium Page Object Model generator to improve agile testing process velocity.
Browser Update Watchdog
Notifies you, whenever your browser has been automatically updated.
(X)HTML5 Checker
A small extension to validate the markup of current tab
MultiPass
Automatically login to Basic Authentication using data based on URL regexp.
Edit with Sublime Text
Edit an HTML element and all its child nodes in Sublime Text editor with real-time updates
MenuButton
Custom menu allows the user to create a menu to access various network resources.
Modify O Tabs
Automatically pin or rename a tab of a site you specify or change its icon.
Webmaster menu
Adds new items to browser context menu that open various analyzes of browsed web pages and sites.
.no { CSS }
Opera 12 reminiscent Shift-G CSS zapper (use Alt-G)
Get Thumbnails or Image to video YouTube
Make thumbnail previews or images from YouTube videos
CSS Shapes Editor
Interactive editor for CSS Shapes.
Open in GIMP photo editor
Adds context menu items to send image links and image files directly to the GIMP photo editor
W3C Markup Validation Service
This validator checks the markup validity of Web documents in HTML, XHTML, SMIL, MathML, etc.
Income monitor
Fast balance viewer for your affiliate networks and partner programs
KML/KMZ Viewer
Can be used to view KML/KMZ Files in the browser.
Webfonting it!
The simplest extension for working with web fonts
CSS3 Button Maker
Is CSS button code generator free easy tool that allows you create beautiful and elegant CSS web buttons in few clicks
Check Wordpress Version
WordPress Vulnerability Scanner - Scan for vulnerabilities, version, themes, plugins and much more!
Advanced Site Checker
Check your site for issues.
Nextsense XML Signing Component
Signing XML document.
showHTML
This extension shows information about HTML elements on a web page when you hover over them.
Dev extensions reload
Reload enabled development extensions
Shuffle Extension Toolbar
Customize the sequence of extension icons as you like
CF-Predictor
This extension predicts rating changes for Codeforces. It shows approximate deltas during and after the contest.
Lorem Fill
A webpage form filler that populates context specific random test data into forms elements.
SelectorsHub
SelectorsHub helps to write and verify the XPath & cssSelector.
Monitorito
This extension creates a real-time visualisation of your browsing activity
GitHub Gloc
Сounts lines of code on GitHub
Open in Vivaldi
Open current page, link, or all tabs in the Vivaldi browser.
retire.js
Scanning website for vulnerable js libraries
SEO TOOLS - YATEO
Opens all the essential tools for SEO in one click.