Ekstensi
CryptoPro Extension for CAdES Browser Plug-in
Расширение позволяет использовать КриптоПро ЭЦП Browser plug-in в браузере. Для работы требует установленного ЭЦП Browser plug-in.
Контур.Плагин
Помощник диагностики
EditThisCookie
EditThisCookie is a cookie manager. You can add, delete, edit, search, protect and block cookies!
Cookie-Editor
Simple yet powerful Cookie Editor that allow you to quickly create, edit and delete cookies without leaving your tab.
Download all Images
Easily save images with a wide range of customization features, such as file size, dimensions, and image type.
Stylus
Redesign the web with Stylus, a user styles manager. Stylus allows you to easily install themes and skins for many popular sites.
Super Auto Refresh
Auto-refresh (reload) pages, on a selected interval. NO ADs. SUPER EASY.
JSON Lite
Fast JSON viewer - highlights, shows items count/size, handles large files
HTML5 Editor
HTML5 Editor with CSS, JS, HTML validator and beautify code
Web Developer
Adds a toolbar button with various web developer tools. The official port of the Web Developer extension for Firefox.
Open in Google Chrome
Open current page, link, or all tabs in the Chrome browser.
PerfectPixel by WellDoneCode
This extension helps develop your websites with pixel perfect accuracy!
Font Finder
An easy-to-use font inspector to get CSS styles of the selected element
Full Screen
Go full screen with one click on the button.
CORS Toggle
Adds Access-Control-Allow-Origin, Access-Control-Allow-Methods and Access-Control-Allow-Headers headers for CORS.
Cookie Editor
Edit cookies related to the current page and all its sub-frames right from a popup
OCR - Image Reader
A powerful optical character recognition (OCR) extension to capture and convert images to text
Internet Speed Test
Test your internet connection speed (upload and download) from a toolbar panel
Octotree
GitHub on steroids
SeoQuake extension
SEOquake is a free plugin that provides you with key SEO metrics, along with other useful tools such as SEO Audit and many others
ModHeader
Modify HTTP request and response headers
Random password generator
A simple random password generator for Opera browser
RestMan
RESTMan is a browser extension to work on http requests.
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.
Disable Cookies
Disable cookies for current domain.
Luminous: JavaScript events blocker
An experimental extension to identify, analyze and block code execution and event collection through JavaScript in your browser.
Picture in Play
Indicates whether the `picture` element is in use on a page.
Responsive Web Design Tester
Responsive Web Design Tester is a quick and easy way to test your responsive website.
SEO-tools
SEO-tools - информация о доменах, аудит сайтов на SEO ошибки, а также технический аудит любой страницы. Свыше 100 онлайн сервисов
RDS bar
Quick SEO analysis of websites and pages, designed for webmasters and SEOs.