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MultiPass
Automatically login to Basic Authentication using data based on URL regexp.
W3C Markup Validation Service
This validator checks the markup validity of Web documents in HTML, XHTML, SMIL, MathML, etc.
Open in GIMP photo editor
Adds context menu items to send image links and image files directly to the GIMP photo editor
Nextsense XML Signing Component
Signing XML document.
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
PX to REM and REM to PX
PX / REM bidirectional converter
Involta Short links
Short link service
Dev extensions reload
Reload enabled development extensions
GitHub Privacy
GitHub Timestamp Privacy redacts timestamps such as commit dates on GitHub. The precision of timestamps is reduced according to your preference. Click on individual timestamps to reveal more precision if needed.
Block Yourself from Analytics
Block your Google Analytics™ activity for the websites you own, no more false stats.
Website Links Checker
This tool helps you check all links from a page you are currently viewing.
Extension Auditor
Browser Extension Security & Privacy Analyzer
Colored favicons for Salesforce
Make the favicon in different color based on which salesforce instance your are loggen into.
Copy Title And Url
Copy the title and url in markdown, pukiwiki, html format.
Bug Magnet
Bug Magnet
TestCase Studio
TestCase Studio record the user actions performed on a web application in English Sentences.
.no { CSS }
Opera 12 reminiscent Shift-G CSS zapper (use Alt-G)
Right Click Validator
Right click on any webpage to validate it using the W3 NUValidator service.
CSS3 Button Maker
Is CSS button code generator free easy tool that allows you create beautiful and elegant CSS web buttons in few clicks
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!
InTab - Code CSS 2X Faster
Visually Style Any Website In Any Browser
Polypad (Open in App)
Polypad Open in App.
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.
WebMoney Advisor Next
Internet users feedback about the sites
Pixel converter
Pixel converter is a crucial web development and design tool for converting pixel values into different measurement units like inches, centimeters, or percentages, ensuring consistency across diverse devices and screens in responsive web design.
Edit with Sublime Text
Live editing text and HTML content of the page with the Sublime Text from the page context or DevTools.
Page Load Time
Displays page load time in the toolbar
Blendup
A tool for web developers to preview blend modes on different page elements.
Check Wordpress Version
WordPress Vulnerability Scanner - Scan for vulnerabilities, version, themes, plugins and much more!
Toggle Environment
Toggle between development environment url's
DMARC Check
Check DMARC status for the current domain
myJDoc
Extension for automatically changing to a selected JavaDocs version