Extensions
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.
Cleaner Pro - Clear Cache & History
Best way to clear cache and Opera browsing data!
Cookie-Editor
Simple yet powerful Cookie Editor that allow you to quickly create, edit and delete cookies without leaving your tab.
My IP Address Checker: Test IP + IPv6 + VPN
Displays IP address info and details like location + VPN usage when clicking on the IP button
EditThisCookie
EditThisCookie is a cookie manager. You can add, delete, edit, search, protect and block cookies!
Контур.Расширение
Open in Google Chrome
Open current page, link, or all tabs in the Chrome browser.
Download all Images
Easily save images with a wide range of customization features, such as file size, dimensions, and image type.
Full Screen
Go full screen with one click on the full screen button. That includes also the full screen movies such as YouTube, Vimeo, etc.
HTML5 Editor
HTML5 Editor with CSS, JS, HTML validator and beautify code
Color Picker - Native Eyedropper
Determine the pixel's color on the screen with a magnifying glass eyedropper. It supports color selection history and clipboard copy
Web Developer
Adds a toolbar button with various web developer tools. The official port of the Web Developer extension for Firefox.
Allow Copy-Right Click
Allow Right click, Allow copy, Selection on web sites that prevent it
Контур.Плагин
Super Auto Refresh
Auto-refresh (reload) pages, on a selected interval. NO ADs. SUPER EASY.
Font Finder
An easy-to-use font inspector to get CSS styles of the selected element
OCR - Image Reader
A powerful optical character recognition (OCR) extension to capture and convert images to text
PerfectPixel by WellDoneCode
This extension helps develop your websites with pixel perfect accuracy!
Cookie Editor
Edit cookies related to the current page and all its sub-frames right from a popup
Помощник диагностики
CORS Toggle
Adds Access-Control-Allow-Origin, Access-Control-Allow-Methods and Access-Control-Allow-Headers headers for CORS.
JSON Lite
Fast JSON viewer - highlights, shows items count/size, handles large files
FullScreen for Opera
Fullscreen, #1 Zoom and Dark Mode more options will get in one
Internet Speed Test
Test your internet connection speed (upload and download) from a toolbar panel
Clear Cache
Clear your cache and browsing data with a single click of a button.
Custom Style Script
Add Custom JavaScript (JS) Code or Styles (CSS) to any page.
SEO-tools
SEO-tools - information about domains, site audit for SEO errors, as well as technical audit of any page. Over 100 online services
Image Extractor
Extracts image names and allows copying image URLs.
Fontstorage
The simplest extension for identifying and selecting fonts on a website.
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.
Random password generator
A simple random password generator for Opera browser
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