Расширения
RDS bar
Быстрый анализ SEO показателей сайта и страницы, рассчитанный на вебмастеров и оптимизаторов.
Block Yourself from Analytics
Block your Google Analytics™ activity for the websites you own, no more false stats.
BuiltWith Technology Profiler
Find out what the website you are visiting is built with using this extension.
AddCSS
This extension allows you to add your own custom website specific CSS style sheets.
WordPress Theme and Plugins Detector
Этот инструмент обнаруживает темы и плагины, используемые на сайтах WordPress, и отображает информацию о них.
PDF API HTML5
Mini SDK JavaScript and APIs library to create PDF file for web apps
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, ...
Live HTTP Headers
Monitor all HTTP/HTTPs traffic from your browser.
Random password generator
A simple random password generator for Opera browser
Google Analytics Debugger
A browser extension for debugging Google Analytics tracking code
NetworkMonitor
Shows the response times and uptime of a desired server. Useful to see how performs internet or a wireless access point.
SEO-tools
SEO-tools - информация о доменах, аудит сайтов на SEO ошибки, а также технический аудит любой страницы. Свыше 100 онлайн сервисов
ChroPath for Opera
AutonomIQ offers a developers platform ChroPath to generate and validate unique selectors like relative xpath with iframe support
Edit with Adobe Photoshop
Adds a context menu item to send image links directly to Adobe Photoshop photo editor
OCR - Image Reader
A powerful optical character recognition (OCR) extension to capture and convert images to text
stylish-hub
A browser extension that brings a new GitHub experience
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!
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.
Open in GIMP photo editor
Adds context menu items to send image links and image files directly to the GIMP photo editor
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
fonts infos
An extention to show/inspect and analyze fonts in web-pages.
.no { CSS }
Opera 12 reminiscent Shift-G CSS zapper (use Alt-G)
Web Capture for Jira
Take a screenshot, annotate it and upload directly to Jira.
Right Click Validator
Right click on any webpage to validate it using the W3 NUValidator service.
NoFollow
Outlines nofollow links, detects nofollow and noindex meta tags on webpages. Features website filtering and custom CSS outline styles
(X)HTML5 Checker
A small extension to validate the markup of current tab
CF-Predictor
This extension predicts rating changes for Codeforces. It shows approximate deltas during and after the contest.
Edit with Paint.Net
Adds a context menu item to send image links directly to Paint.Net photo editor
JavaScript QR Code
Make QR Codes in JavaScript
MenuButton
Настраиваемое меню позволяет пользователю самостоятельно создать меню доступа к различным ресурсам сети.
Website Analysis & SEO Tool
Website SEO audit tool that provides website analysis in SEO, performance, validity, security, accessibility and other criteria.