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.
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.
EditThisCookie is a cookie manager. You can add, delete, edit, search, protect and block cookies!
User-Agent Switcher is a quick and easy way to switch between user-agents.
Download all Images
Easily save images with a wide range of customization features, such as file size, dimensions, and image type.
Adds a toolbar button with various web developer tools. The official port of the Web Developer extension for Firefox.
Fast JSON viewer - highlights, shows items count/size, handles large files
Podpis elektroniczny Szafir SDK
Simple yet powerful Cookie Editor that allow you to quickly create, edit and delete cookies without leaving your tab.
HTML5 Editor with CSS, JS, HTML validator and beautify code
An easy-to-use font inspector to get CSS styles of the selected element
Open in Google Chrome
Open current page, link, or all tabs in the Chrome browser.
Go full screen with one click on the full screen button. That includes also the full screen movies such as YouTube, Vimeo, etc.
Internet Speed Test
Test your internet connection speed (upload and download) from a toolbar panel
Edit cookies related to the current page and all its sub-frames right from a popup
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 pixel perfect accuracy!
SEOquake is a free plugin that provides you with key SEO metrics, along with other useful tools such as SEO Audit and many others
Adds Access-Control-Allow-Origin, Access-Control-Allow-Methods and Access-Control-Allow-Headers headers for CORS.
RESTMan is a browser extension to work on http requests.
Responsive Web Design Tester
Responsive Web Design Tester is a quick and easy way to test your responsive website.
A REST client for the rest of us
Click on any HTML element to get the font info in a popup
Quick SEO analysis of websites and pages, designed for webmasters and SEOs.
Picture in Play
Indicates whether the `picture` element is in use on a page.
GitHub on steroids
Modify HTTP request and response headers