Ekstenzije
W3C Markup Validation Service
This validator checks the markup validity of Web documents in HTML, XHTML, SMIL, MathML, etc.
Website Links Checker
This tool helps you check all links from a page you are currently viewing.
Block Yourself from Analytics
Block your Google Analytics™ activity for the websites you own, no more false stats.
(X)HTML5 Checker
A small extension to validate the markup of current tab
Selenium Page Object Generator
A nimble and flexible Selenium Page Object Model generator to improve agile testing process velocity.
StyleMaster
Добавление пользовательских стилей CSS на веб-сайты
Password Show - Reveal Login Passwords
Reveal hidden password fields only during login. Includes whitelist and blacklist options.
.no { CSS }
Opera 12 reminiscent Shift-G CSS zapper (use Alt-G)
JavaScript QR Code
Make QR Codes in JavaScript
showHTML
This extension shows information about HTML elements on a web page when you hover over them.
Piral Inspector
The official Piral developer tools browser extension.
Design Mode
Edit any page's content by switching to design mode, where you can modify the content and drag images around like a Word Editor
TestCase Studio
TestCase Studio record the user actions performed on a web application in English Sentences.
Blendup
A tool for web developers to preview blend modes on different page elements.
Rainbow States
Color AWS Step Functions states
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
SelectorsHub Pro
xPath plugin to auto generate, write and verify xpath & cssSelector.
Tech Finder - Website Technology Detector
Discover what technologies and frameworks websites are using with detailed analysis and categorization.
Service Worker Detector
This extension detects if a website registers a Service Worker.
Page Load Time
Displays page load time in the toolbar
Dev extensions reload
Reload enabled development extensions
Web Widgetizer
Web Widgetizer is a extension offering a range of features to enhance browsing. It allows users to create separate Opera windows for specific websites, manage favorite links, customize window dimensions, toggle auto-start, and open links in popup tabs via button click or shortcut (Ctrl + Shift + A). This versatile tool optimizes browsing convenience and efficiency.
Colored favicons for Salesforce
Make the favicon in different color based on which salesforce instance your are loggen into.
Open in Pale Moon
Open current page, link, or all tabs in the Pale Moon browser.
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.
Edit with Sublime Text
Live editing text and HTML content of the page with the Sublime Text from the page context or DevTools.
InTab - Code CSS 2X Faster
Visually Style Any Website In Any Browser
Bug Magnet
Bug Magnet
WordPress Theme and Plugins Detector
This tool detects theme and plugins used on WordPress sites and displays information about them.
DMARC Check
Check DMARC status for the current domain
Shuffle Extension Toolbar
Customize the sequence of extension icons as you like
Toggle Environment
Toggle between development environment url's