Extensões
OctoLinker
OctoLinker – Links together, what belongs together.
AddCSS
This extension allows you to add your own custom website specific CSS style sheets.
Font Inspector
Click on any HTML element to get the font info in a popup!
Custom Style Script
Add Custom JavaScript (JS) Code or Styles (CSS) to any Page.
SEO-tools
SEO-tools - информация о доменах, аудит сайтов на SEO ошибки, а также технический аудит любой страницы. Свыше 100 онлайн сервисов
OCR - Image Reader
A powerful optical character recognition (OCR) extension to capture and convert images to text
Google Analytics Debugger
A browser extension for debugging Google Analytics tracking code
Live HTTP Headers
Monitor all HTTP/HTTPs traffic from your browser.
stylish-hub
A browser extension that brings a new GitHub experience
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
Block Yourself from Analytics
Block your Google Analytics™ activity for the websites you own, no more false stats.
Edit the Page
Toggles the 'Design Mode' so that you can edit the contents of the page.
PDF API HTML5
Mini SDK JavaScript and APIs library to create PDF file for web apps
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!
WordPress Theme and Plugins Detector
This tool detects theme and plugins used on WordPress sites and displays information about them.
Right Click Validator
Right click on any webpage to validate it using the W3 NUValidator service.
HTTP Headers
Quickly view the HTTP headers of the current tab.
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, ...
Random password generator
A simple random password generator for Opera browser
Website Analysis & SEO Tool
Website SEO audit tool that provides website analysis in SEO, performance, validity, security, accessibility and other criteria.
Modify Header Value
Add, modify or remove a header for any request on desired domains.
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
NetworkMonitor
Shows the response times and uptime of a desired server. Useful to see how performs internet or a wireless access point.
PixelGrid
The tool to overlap your website layout with a grid.
Webfonting it!
The simplest extension for working with web fonts
fonts infos
An extention to show/inspect and analyze fonts in web-pages.
JavaScript QR Code
Make QR Codes in JavaScript
PageSpeed Insights
This will take the URL of the current tab and send it to PageSpeed Insights for a web performance analysis.
.no { CSS }
Opera 12 reminiscent Shift-G CSS zapper (use Alt-G)
Selenium Page Object Generator
A nimble and flexible Selenium Page Object Model generator to improve agile testing process velocity.