Extensions
Internet Speed Test
Test your internet connection speed (upload and download) from a toolbar panel
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!
retire.js
Scanning website for vulnerable js libraries
GrabzIt Web Scraping Assistant
Create Web Scrapes online easier than ever before with GrabzIt's Web Scraping Assistant.
Custom Style Script
Add Custom JavaScript (JS) Code or Styles (CSS) to any page.
W3DNA
Type '*' plus press "space" and a search term into the Omnibox to open search in new tab.
Picture in Play
Indicates whether the `picture` element is in use on a page.
Web Edit
Easily edit websites temporarily with a click of a button.
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
Edit the Page
Toggles the 'Design Mode' so that you can edit the contents of the page.
TeamCity Notifier
Shows notifications about various events in TeamCity
Youtube converter button - YTLoad
YouTube downloader FREE - Convert videos to MP3 MP4
CSS & JS Injector
Easily customize your browsing experience CSS & JS Injector is a tool for developers, designers, and power users. Apply custom CSS styles and JavaScript to specific websites effortlessly. Boost productivity and customize the look, feel, and functionality of websites without altering its source code.
Modify Header Value
Add, modify or remove a header for any request on desired domains.
Octotree
GitHub on steroids
IP Geolocation Lookup
IP Location Lookup by ipwhois.io
sha1 hash generator
SHA1 hash generator (offline mode)
Disable Cookies
Disable cookies for current domain.
Caffeine
Keep awake which prevents the OS from automatically going to sleep, dimming the screen or starting screen savers
Random password generator
A simple random password generator for Opera browser
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, ...
PIX Studio Plugin
PIX RPA Studio Plugin
Edit with Paint.Net
Adds a context menu item to send image links directly to Paint.Net photo editor
View Page Source
Get access to the page source with the click of a button.
JSON Formatter & Beautifier
makes it simple to read JSON Code for browser
Wayback machine website
Online service that have 452 billion web pages saved over time and who is domain tool in context menu
Font Inspector
Click on any HTML element to get the font info in a popup!
PDF API HTML5
Mini SDK JavaScript and APIs library to create PDF file for web apps
Open in GIMP photo editor
Adds context menu items to send image links and image files directly to the GIMP photo editor
Network Information
Useful information about your system's connection including, type, speed, and rtt.
RestMan
RESTMan is a browser extension to work on http requests.
Yandex Wordstat Regions
Расширение, возвращает полное дерево регионов РФ в сервис подбора слов Яндекс (wordstat)