Пашырэньні
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!
Page Edit
Make any webpage into a content editable document and modify it via toolbar popup!
Fontstorage
The simplest extension for identifying and selecting fonts on a website.
Caffeine
Keep awake which prevents the OS from automatically going to sleep, dimming the screen or starting screen savers
Web Edit
Easily edit websites temporarily with a click of a button.
GrabzIt Web Scraping Assistant
Create Web Scrapes online easier than ever before with GrabzIt's Web Scraping Assistant.
Youtube converter button - YTLoad
YouTube downloader FREE - Convert videos to MP3 MP4
Picture in Play
Indicates whether the `picture` element is in use on a page.
JSON Formatter & Beautifier
makes it simple to read JSON Code for browser
PIX Studio Plugin
PIX RPA Studio Plugin
Modify Header Value
Add, modify or remove a header for any request on desired domains.
Disable Cookies
Disable cookies for current domain.
Network Information
Useful information about your system's connection including, type, speed, and rtt.
Wayback machine website
Online service that have 452 billion web pages saved over time and who is domain tool in context menu
Custom Style Script
Add Custom JavaScript (JS) Code or Styles (CSS) to any page.
CSSViewer
CSSViewer
Hex Calculator
Perform quick and accurate hexadecimal calculations — addition, subtraction, multiplication, and division with remainder — directly in your Opera browser.
Edit the Page
Toggles the 'Design Mode' so that you can edit the contents of the page.
BuiltWith Technology Profiler
Find out what the website you are visiting is built with using this extension.
Yandex Wordstat Regions
Расширение, возвращает полное дерево регионов РФ в сервис подбора слов Яндекс (wordstat)
Random password generator
A simple random password generator for Opera browser
NPM Version Stats
Show npm package version usage statistics inline on the npmjs.com package page in the versions tab
Font Inspector
Click on any HTML element to get the font info in a popup!
HypeStat Analyzer
Check any website's traffic
Reddit to Mp4 converter | reditor
redditdownloader.us allows users to download Reddit videos with audio in high quality.
View Page Source
Get access to the page source with the click of a button.
Extensions for Mermaid
A browser extension for Chrome, Opera & Firefox that adds Mermaid language support to GitHub. A fork from the not updated GitHub + Mermaid extension.
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 with Paint.Net
Adds a context menu item to send image links directly to Paint.Net photo editor
Open in GIMP photo editor
Adds context menu items to send image links and image files directly to the GIMP photo editor
Browser Update Watchdog
Notifies you, whenever your browser has been automatically updated.
TwicPics Companion
Using TwicPics has never been so easy!