Mga extension
Polypad (Open in App)
Polypad Open in App.
Service Worker Detector
This extension detects if a website registers a Service Worker.
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.
Selenium Page Object Generator
A nimble and flexible Selenium Page Object Model generator to improve agile testing process velocity.
Hex Calculator
Perform quick and accurate hexadecimal calculations — addition, subtraction, multiplication, and division with remainder — directly in your Opera browser.
StyleMaster
Добавление пользовательских стилей CSS на веб-сайты
Copy Title And Url
Copy the title and url in markdown, pukiwiki, html format.
Box Direct Link Generator
Box Direct Link Generator makes downloading files from Box simple and fast. Just paste a Box shared URL, and the extension will generate a direct download link for you. It also shows useful details like the file name, file size, and file type. With a sleek design and features like a "Copy Link" button, it’s perfect for quickly accessing and sharing files. No more hassle—just easy, direct downloads!
Page Load Time
Displays page load time in the toolbar
Password Show - Reveal Login Passwords
Reveal hidden password fields only during login. Includes whitelist and blacklist options.
WordPress Theme and Plugins Detector
This tool detects theme and plugins used on WordPress sites and displays information about them.
Website Links Checker
This tool helps you check all links from a page you are currently viewing.
showHTML
This extension shows information about HTML elements on a web page when you hover over them.
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
InTab - Code CSS 2X Faster
Visually Style Any Website In Any Browser
PX to REM and REM to PX
PX / REM bidirectional converter
TwicPics Companion
Using TwicPics has never been so easy!
.no { CSS }
Opera 12 reminiscent Shift-G CSS zapper (use Alt-G)
Block Yourself from Analytics
Block your Google Analytics™ activity for the websites you own, no more false stats.
Sitemap Explorer: Check and View XML Sitemaps
This extension helps you find, inspect, export, and view XML Sitemap files for any site you navigate in a browser.
Sheets2JSON - Convert Google Sheets
Convert public Google Sheets into clean JSON or CSV. Sheet2JSON is a lightweight extractor that reads Google Sheets and outputs structured data formats that are ready to use in websites, apps, and scripts.
TestCase Studio
TestCase Studio record the user actions performed on a web application in English Sentences. Best alternative for Selenium IDE
Blendup
A tool for web developers to preview blend modes on different page elements.
Webmaster menu
Adds new items to browser context menu that open various analyzes of browsed web pages and sites.
Tech Finder - Website Technology Detector
Discover what technologies and frameworks websites are using with detailed analysis and categorization.
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.
Check Wordpress Version
WordPress Vulnerability Scanner - Scan for vulnerabilities, version, themes, plugins and much more!
Toggle Environment
Toggle between development environment url's
Polypane helper
Open the current page or links in Polypane, the developer tool for responsive web development and design.
Shuffle Extension Toolbar
Customize the sequence of extension icons as you like
CSS3 Button Maker
Is CSS button code generator free easy tool that allows you create beautiful and elegant CSS web buttons in few clicks
Dev extensions reload
Reload enabled development extensions