Ekstenzije
ChroPath for Opera
AutonomIQ offers a developers platform ChroPath to generate and validate unique selectors like relative xpath with iframe support
(X)HTML5 Checker
A small extension to validate the markup of current tab
PixelGrid
The tool to overlap your website layout with a grid.
Open in GIMP photo editor
Adds context menu items to send image links and image files directly to the GIMP photo editor
Nextsense PDF Signing Component
Signing PDF document.
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.
Involta Short links
Сервис сокращения ссылок
Edit with Sublime Text
Edit an HTML element and all its child nodes in Sublime Text editor with real-time updates
Wayback machine website
Online service that have 452 billion web pages saved over time and who is domain tool in context menu
JIRA Template Injector
The description field of new JIRA issues will automatically be populated with a template relevant to the issue type
NFT Scanner
Scan your NFT assets.
showHTML
This extension shows information about HTML elements on a web page when you hover over them.
Website scripting
Developers can add javascript codes in webpage. Like customizing other websites with our own codes.
Right Click Validator
Right click on any webpage to validate it using the W3 NUValidator service.
PageSpeed Insights
This will take the URL of the current tab and send it to PageSpeed Insights for a web performance analysis.
CSS3 Button Maker
Is CSS button code generator free easy tool that allows you create beautiful and elegant CSS web buttons in few clicks
SEO Nofollow links highlighter
Highlight all nofollow links on any site you want. Excellent for SEO purposes.
Dev extensions reload
Reload enabled development extensions
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.
retire.js
Scanning website for vulnerable js libraries
Browser Update Watchdog
Notifies you, whenever your browser has been automatically updated.
InTab - Code CSS 2X Faster
Visually Style Any Website In Any Browser
Monitorito
This extension creates a real-time visualisation of your browsing activity
NoFollow
Outlines nofollow links, detects nofollow and noindex meta tags on webpages. Features website filtering and custom CSS outline styles
GitHub Gloc
Gives you approximate count of lines of code on GitHub
Webmaster menu
Adds new items to browser context menu that open various analyzes of browsed web pages and sites.
Tabby Extension
Easily add BookMarks to Tabby from your preferred browser!
sha1 hash generator
SHA1 hash generator (offline mode)
Apple Docs Force Default Language
Forces Apple's developer documentation to always open in a specific language
Blendup
A tool for web developers to preview blend modes on different page elements.
KML/KMZ Viewer
Can be used to view KML/KMZ Files in the browser.