Extensions
md5 hash generator
MD5 hash generator (offline mode)
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.
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
Nextsense XML Signing Component
Signing XML document.
ChroPath for Opera
AutonomIQ offers a developers platform ChroPath to generate and validate unique selectors like relative xpath with iframe support
JavaScript QR Code
Make QR Codes in JavaScript
Web Capture for Jira
Take a screenshot, annotate it and upload directly to Jira.
WordPress Theme and Plugins Detector
Cet outil détecte les thèmes et les plugins utilisés sur les sites WordPress et affiche des informations à leur sujet.
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.
HypeStat Analyzer
Check any website's traffic
Blendup
A tool for web developers to preview blend modes on different page elements.
Block Yourself from Analytics
Block your Google Analytics™ activity for the websites you own, no more false stats.
HexDump - Hex Viewer
Display file contents in hexadecimal, and ascii
Design Mode
Modifiez le contenu de n'importe quelle page en passant en mode conception, où vous pouvez modifier le contenu et faire glisser les images comme dans un éditeur Word.
Sitemap Explorer: Check and View XML Sitemaps
Cette extension vous aide à trouver, inspecter, exporter et afficher les fichiers XML Sitemap de tout site sur lequel vous naviguez dans un navigateur.
Get Thumbnails or Image to video YouTube
Faites une vignette ou des images à partir de vidéos YouTube
Edit with Sublime Text
Live editing text and HTML content of the page with the Sublime Text from the page context or DevTools.
W3C Markup Validation Service
This validator checks the markup validity of Web documents in HTML, XHTML, SMIL, MathML, etc.
TestCase Studio
TestCase Studio record the user actions performed on a web application in English Sentences.
Open in GIMP photo editor
Adds context menu items to send image links and image files directly to the GIMP photo editor
.no { CSS }
Opera 12 reminiscent Shift-G CSS zapper (use Alt-G)
Monitorito
This extension creates a real-time visualisation of your browsing activity
Webmaster menu
Adds new items to browser context menu that open various analyzes of browsed web pages and sites.
CSS3 Button Maker
Is CSS button code generator free easy tool that allows you create beautiful and elegant CSS web buttons in few clicks
Tabby Extension
Easily add BookMarks to Tabby from your preferred browser!
Colored favicons for Salesforce
Make the favicon in different color based on which salesforce instance your are loggen into.
Website Links Checker
This tool helps you check all links from a page you are currently viewing.
Shuffle Extension Toolbar
Customize the sequence of extension icons as you like
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.
Polypane helper
Open the current page or links in Polypane, the developer tool for responsive web development and design.
Apple Docs Force Default Language
Forces Apple's developer documentation to always open in a specific language