Extensiones
Custom Style Script
Add Custom JavaScript (JS) Code or Styles (CSS) to any Page.
RESTED
A REST client for the rest of us
BuiltWith Technology Profiler
Find out what the website you are visiting is built with using this extension.
Edit with Adobe Photoshop
Adds a context menu item to send image links directly to Adobe Photoshop photo editor
PDF API HTML5
Mini SDK JavaScript and APIs library to create PDF file for web apps
Web Capture for Jira
Take a screenshot, annotate it and upload directly to Jira.
OCR - Image Reader
A powerful optical character recognition (OCR) extension to capture and convert images to text
(X)HTML5 Checker
A small extension to validate the markup of current tab
SEO-tools
SEO-tools - информация о доменах, аудит сайтов на SEO ошибки, а также технический аудит любой страницы. Свыше 100 онлайн сервисов
AddCSS
This extension allows you to add your own custom website specific CSS style sheets.
Live HTTP Headers
Monitor all HTTP/HTTPs traffic from your browser.
WordPress Theme and Plugins Detector
This tool detects theme and plugins used on WordPress sites and displays information about them.
Google Analytics Debugger
A browser extension for debugging Google Analytics tracking code
Modify Header Value
Add, modify or remove a header for any request on desired domains.
Live editor for CSS and LESS - Magic CSS
Live preview of CSS/LESS code with an in-page editor. Autocomplete, convert LESS to CSS, beautify, minify, CSS reloader, linter, ...
ChroPath for Opera
AutonomIQ offers a developers platform ChroPath to generate and validate unique selectors like relative xpath with iframe support
Edit the Page
Toggles the 'Design Mode' so that you can edit the contents of the page.
InTab - Code CSS 2X Faster
Develop Responsive Web Pages Faster.
NetworkMonitor
Shows the response times and uptime of a desired server. Useful to see how performs internet or a wireless access point.
fonts infos
An extention to show/inspect and analyze fonts in web-pages.
JavaScript QR Code
Make QR Codes in JavaScript
Random password generator
A simple random password generator for Opera browser
Block Yourself from Analytics
Block your Google Analytics™ activity for the websites you own, no more false stats.
GitHub (Enterprise) Projects Plus
[Deprecated] Adds advanced labels management and other functionality to GitHub.
AddJS
This extension allows you to add your own custom website specific JavaScript.
DNS Checker - SEO and Domain Analysis
SEO and Domain Analysis Tool by DNS Checker. Provides SEO Report, Meta Redirects and 404s, Client IP, Domain IP & Geo Location, etc
Browserling - Cross-browser testing
Cross-browser test websites in the most popular browsers such as Internet Explorer, Edge, Chrome, Firefox, Safari and Opera. Try for free!
Website Analysis & SEO Tool
Website SEO audit tool that provides website analysis in SEO, performance, validity, security, accessibility and other criteria.
Edit with Paint.Net
Adds a context menu item to send image links directly to Paint.Net photo editor
GitHub Projects Plus
Adds advanced labels management and other functionality to GitHub.
Right Click Validator
Right click on any webpage to validate it using the W3 NUValidator service.
Edit with Sublime Text
Edit an HTML element and all its child nodes in Sublime Text editor with real-time updates