Extensions
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
EditThisCookie
EditThisCookie is a cookie manager. You can add, delete, edit, search, protect and block cookies!
Помощник диагностики
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.
User-Agent Switcher
User-Agent Switcher is a quick and easy way to switch between user-agents.
Web Developer
Adds a toolbar button with various web developer tools. The official port of the Web Developer extension for Firefox.
Save All Images
a customizable extension to save selected images from the current tab page
HTML5 Editor
HTML5 Editor with CSS, JS, HTML validator and beautify code
CORS Toggle
Adds Access-Control-Allow-Origin, Access-Control-Allow-Methods and Access-Control-Allow-Headers headers for CORS.
JSON Lite
Fast JSON viewer - highlights, shows items count/size, handles large files
JavaScript Switcher
Quick way to enable/disable Javascript
Open in Google Chrome
Open current page, link, or all tabs in the Chrome browser.
Podpis elektroniczny Szafir SDK
Web Mirrors
Cookie-Editor
Simple yet powerful Cookie Editor that allow you to quickly create, edit and delete cookies without leaving your tab.
TV Emulator
The Vewd TV Simulator enables any developers to test and debug their HTML5 apps for the Vewd App Store.
PerfectPixel by WellDoneCode
This extension helps develop your websites with per pixel accuracy!
Full Screen
Go full screen with one click on the full screen button. That includes also the full screen movies such as YouTube, Vimeo, etc.
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
RestMan
RESTMan is a browser extension to work on http requests.
Internet Speed Test
Test your internet connection speed (upload and download) from a toolbar panel
RDS bar
Quick SEO analysis of websites and pages, designed for webmasters and SEOs.
RESTED
A REST client for the rest of us
Font Finder
An easy-to-use font inspector to get CSS styles of the selected element
Cookie Editor
Edit cookies related to the current page and all its sub-frames right from a popup
Responsive Web Design Tester
Responsive Web Design Tester is a quick and easy way to test your responsive website.
Firebug Lite for Opera 15+
BuiltWith Technology Profiler
Find out what the website you are visiting is built with using this extension.
Extension source viewer
View source code of extensions in the Chrome Web Store, Firefox or Opera addon gallery. Has button to install from Chrome Web Store.
Octotree
Code tree for GitHub