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Strike Out Nofollow Links
Just strikes out nofollow links via CSS3 selectors.
Apple Docs Force Default Language
Forces Apple's developer documentation to always open in a specific language
Service Worker Detector
This extension detects if a website registers a Service Worker.
.no { CSS }
Opera 12 reminiscent Shift-G CSS zapper (use Alt-G)
JavaScript QR Code
Make QR Codes in JavaScript
Rainbow States
Color AWS Step Functions states
Hex Calculator
Perform quick and accurate hexadecimal calculations — addition, subtraction, multiplication, and division with remainder — directly in your Opera browser.
TeamCity Notifier
Shows notifications about various events in TeamCity
Block Yourself from Analytics
Block your Google Analytics™ activity for the websites you own, no more false stats.
Piral Inspector
The official Piral developer tools browser extension.
CSS3 Button Maker
Is CSS button code generator free easy tool that allows you create beautiful and elegant CSS web buttons in few clicks
PX to REM and REM to PX
PX / REM bidirectional converter
Polypad (Open in App)
Polypad Open in App.
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.
Nextsense PDF Signing Component
Signing PDF document.
Page Load Time
Displays page load time in the toolbar
Check Wordpress Version
WordPress Vulnerability Scanner - Scan for vulnerabilities, version, themes, plugins and much more!
Toggle Environment
Toggle between development environment url's
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.
Sitecore Extensions
Small improvements which will make your work with Sitecore much easier.
Extension Auditor
Browser Extension Security & Privacy Analyzer
Nextsense XML Signing Component
Signing XML document.
SelectorsHub
Locators Plugin to Auto Generate and Verify Playwright Locators, XPath & CSS Selectors.
Website Links Checker
This tool helps you check all links from a page you are currently viewing.
Browser Update Watchdog
Notifies you, whenever your browser has been automatically updated.
Blendup
A tool for web developers to preview blend modes on different page elements.
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
WebMoney Advisor Next
Internet users feedback about the sites
TestCase Studio
TestCase Studio record the user actions performed on a web application in English Sentences. Best alternative for Selenium IDE
Webmaster menu
Adds new items to browser context menu that open various analyzes of browsed web pages and sites.
Edit with Sublime Text
Live editing text and HTML content of the page with the Sublime Text from the page context or DevTools.
Window Performance Test
Get accurate performance timing for any page with this extension