Extensions

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

Apple Docs Force Default Language
Forces Apple's developer documentation to always open in a specific language

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.

Hex Calculator
Perform quick and accurate hexadecimal calculations — addition, subtraction, multiplication, and division with remainder — directly in your Opera browser.

Nextsense PDF Signing Component
Signing PDF document.

TeamCity Notifier
Shows notifications about various events in TeamCity

Check Wordpress Version
WordPress Vulnerability Scanner - Scan for vulnerabilities, version, themes, plugins and much more!

PIX Studio Plugin
PIX RPA Studio Plugin

Page Load Time
Displays page load time in the toolbar

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.

Website Links Checker
This tool helps you check all links from a page you are currently viewing.

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.

Blendup
A tool for web developers to preview blend modes on different page elements.

Browser Update Watchdog
Notifies you, whenever your browser has been automatically updated.

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.

Bug Magnet
Bug Magnet

InTab - Code CSS 2X Faster
Visually Style Any Website In Any Browser