Tiện ích mở rộng
Rainbow States
Color AWS Step Functions states
Page Load Time
Displays page load time in the toolbar
Bug Magnet
Bug Magnet
PageSpeed Insights
This will take the URL of the current tab and send it to PageSpeed Insights for a web performance analysis.
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.
JavaScript QR Code
Make QR Codes in JavaScript
Copy Title And Url
Copy the title and url in markdown, pukiwiki, html format.
W3DNA
Type '*' plus press "space" and a search term into the Omnibox to open search in new tab.
MultiPass
Automatically login to Basic Authentication using data based on URL regexp.
Browser Update Watchdog
Notifies you, whenever your browser has been automatically updated.
Involta Short links
Short link service
W3C Markup Validation Service
This validator checks the markup validity of Web documents in HTML, XHTML, SMIL, MathML, etc.
.no { CSS }
Opera 12 reminiscent Shift-G CSS zapper (use Alt-G)
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.
md5 hash generator
MD5 hash generator (offline mode)
CSS3 Button Maker
Is CSS button code generator free easy tool that allows you create beautiful and elegant CSS web buttons in few clicks
Octobox
Integrate Octobox directly into your GitHub workflow
Strike Out Nofollow Links
Just strikes out nofollow links via CSS3 selectors.
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.
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
Website Links Checker
This tool helps you check all links from a page you are currently viewing.
PX to REM and REM to PX
PX / REM bidirectional converter
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.
Window Performance Test
Get accurate performance timing for any page with this extension
Check Wordpress Version
WordPress Vulnerability Scanner - Scan for vulnerabilities, version, themes, plugins and much more!
ChroPath for Opera
AutonomIQ offers a developers platform ChroPath to generate and validate unique selectors like relative xpath with iframe support
InTab - Code CSS 2X Faster
Visually Style Any Website In Any Browser
Stethoscope
Check the health of a github repo with one easy step.
Piral Inspector
The official Piral developer tools browser extension.
Tabby Extension
Easily add BookMarks to Tabby from your preferred browser!
GitHub Gloc
Gives you approximate count of lines of code on GitHub
Edit with Sublime Text
Live editing text and HTML content of the page with the Sublime Text from the page context or DevTools.