Extensions
.no { CSS }
Opera 12 reminiscent Shift-G CSS zapper (use Alt-G)
GrabzIt Web Scraping Assistant
Create Web Scrapes online easier than ever before with GrabzIt's Web Scraping Assistant.
W3C Markup Validation Service
This validator checks the markup validity of Web documents in HTML, XHTML, SMIL, MathML, etc.
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
TwicPics Companion
Using TwicPics has never been so easy!
HTTP Headers
Quickly view the HTTP headers of the current tab.
GitHub Extension
The GitHub Browser Extension allows GitHub users to quickly find and open all of their assigned issues and pull requests from a single location. It can be handy for developers and project managers to view their tasks.
CSS3 Button Maker
Is CSS button code generator free easy tool that allows you create beautiful and elegant CSS web buttons in few clicks
Modify Header Value
Add, modify or remove a header for any request on desired domains.
JavaScript QR Code
Make QR Codes in JavaScript
Apple Docs Force Default Language
Forces Apple's developer documentation to always open in a specific language
W3DNA
Type '*' plus press "space" and a search term into the Omnibox to open search in new tab.
PX to REM and REM to PX
PX / REM bidirectional converter
Strike Out Nofollow Links
Just strikes out nofollow links via CSS3 selectors.
Colored favicons for Salesforce
Make the favicon in different color based on which salesforce instance your are loggen into.
NsLookup - Find DNS Records
A simple and powerful tool for querying DNS records
SEO Nofollow links highlighter
Highlight all nofollow links on any site you want. Excellent for SEO purposes.
Sitecore Extensions
Small improvements which will make your work with Sitecore much easier.
Website Links Checker
This tool helps you check all links from a page you are currently viewing.
Polypad (Open in App)
Polypad Open in App.
ChroPath for Opera
AutonomIQ offers a developers platform ChroPath to generate and validate unique selectors like relative xpath with iframe support
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
Check Wordpress Version
WordPress Vulnerability Scanner - Scan for vulnerabilities, version, themes, plugins and much more!
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.
showHTML
This extension shows information about HTML elements on a web page when you hover over them.
Live HTTP Headers
Monitor all HTTP/HTTPs traffic from your browser.
Nextsense PDF Signing Component
Signing PDF document.
Webmaster menu
Adds new items to browser context menu that open various analyzes of browsed web pages and sites.
InTab - Code CSS 2X Faster
Visually Style Any Website In Any Browser
Window Performance Test
Get accurate performance timing for any page with this extension
TestCase Studio
TestCase Studio record the user actions performed on a web application in English Sentences.
Tabby Opera Extension
Easily add BookMarks to Tabby from Opera!