FullScreen for Opera
Fullscreen, #1 Zoom and Dark Mode more options will get in one
Responsive Web Design Tester
Responsive Web Design Tester is a quick and easy way to test your responsive website.
BuiltWith Technology Profiler
Find out what the website you are visiting is built with using this extension.
SEO-tools - информация о доменах, аудит сайтов на SEO ошибки, а также технический аудит любой страницы. Свыше 100 онлайн сервисов
Squeezeimg - convert & compress images, WEBP, JP2
This extension will optimization image a page using Squeezeimg
RESTMan is a browser extension to work on http requests.
Make any webpage into a content editable document and modify it via toolbar popup!
Disable cookies for current domain.
Type '*' plus press "space" and a search term into the Omnibox to open search in new tab.
Extracts image names and allows copying image URLs.
Clone in VS Code
Clone any GitHub, GitLab or Bitbucket repository in Visual Studio Code
WordPress Theme and Plugins Detector
This tool detects theme and plugins used on WordPress sites and displays information about them.
GrabzIt Web Scraping Assistant
Create Web Scrapes online easier than ever before with GrabzIt's Web Scraping Assistant.
PDF API HTML5
Quick SEO analysis of websites and pages, designed for webmasters and SEOs.
A browser extension that brings a new GitHub experience
Keep awake which prevents the OS from automatically going to sleep, dimming the screen or starting screen savers
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, ...
Edit the Page
Toggles the 'Design Mode' so that you can edit the contents of the page.
Website Analysis & SEO Tool
Website SEO audit tool that provides website analysis in SEO, performance, validity, security, accessibility and other criteria.
Picture in Play
Indicates whether the `picture` element is in use on a page.
IP Geolocation Lookup
IP Location Lookup by ipwhois.io
Check any website's traffic
xPath plugin to auto generate, write and verify xpath & cssSelector.
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!
This extension predicts rating changes for Codeforces. It shows approximate deltas during and after the contest.
The GitHub Browser Extension allows GitHub users to quickly find and open all of their assigned issues and pull requests from a single location. It can be handy for developers and project managers to view their tasks.
Wayback machine website
Online service that have 452 billion web pages saved over time and who is domain tool in context menu
Reddit to Mp4 converter | reditor
redditdownloader.us allows users to download Reddit videos with audio in high quality.
Integrate Octobox directly into your GitHub workflow