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.
Podpis elektroniczny Szafir SDK
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.
Adds a toolbar button with various web developer tools. The official port of the Web Developer extension for Firefox.
Download all Images
Easily save images with a wide range of customization features, such as file size, dimensions, and image type.
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
Fast JSON viewer - highlights, shows items count/size, handles large files
Open in Google Chrome
Open current page, link, or all tabs in the Chrome browser.
Edit cookies related to the current page and all its sub-frames right from a popup
An easy-to-use font inspector to get CSS styles of the selected element
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
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.
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.
RESTMan is a browser extension to work on http requests.
The Vewd TV Simulator enables any developers to test and debug their HTML5 apps for the Vewd App Store.
BuiltWith Technology Profiler
Find out what the website you are visiting is built with using this extension.
Quick SEO analysis of websites and pages, designed for webmasters and SEOs.
A REST client for the rest of us
Use Redux DevTools in the DevTools
PDF API HTML5
GitHub on steroids
Custom Style Script