확장 기능
Opera에 새 기능을 추가해 보세요
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.
EditThisCookie
EditThisCookie는 쿠키 관리자입니다. 이것을 이용하여 쿠키를 추가하고, 삭제하고, 편집하고, 찾고, 보호하거나 막을 수 있습니다!
Super Auto Refresh
Auto-refresh (reload) pages, on a selected interval. NO ADs. SUPER EASY.
User-Agent Switcher
User-Agent Switcher is a quick and easy way to switch between user-agents.
Web Mirrors
Контур.Плагин
Web Developer
Adds a toolbar button with various web developer tools. The official port of the Web Developer extension for Firefox.
Stylus
Redesign the web with Stylus, a user styles manager. Stylus allows you to easily install themes and skins for many popular sites.
Web Sniffer
View all HTTP Requests and Responses sent between the Web browser and the Web server.
Save All Images
a customizable extension to save selected images from the current tab page
JavaScript Switcher
Quick way to enable/disable Javascript
Podpis elektroniczny Szafir SDK
JSON Lite
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.
PerfectPixel by WellDoneCode
This extension helps develop your websites with per pixel accuracy!
Помощник диагностики
HTML5 Editor
HTML5 Editor with CSS, JS, HTML validator and beautify code
RestMan
RESTMan is a browser extension to work on http requests.
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
Font Finder
Get all CSS styles of selected text
TV Emulator
The Vewd TV Simulator enables any developers to test and debug their HTML5 apps for the Vewd App Store.
RDS bar
Quick SEO analysis of websites and pages, designed for webmasters and SEOs.
RESTED
A REST client for the rest of us
Firebug Lite for Opera 15+
Full Screen
Go full screen with one click on the button.
Responsive Web Design Tester
Responsive Web Design Tester is a quick and easy way to test your responsive website.
Internet Speed Test
Test your internet connection speed (upload and download) from a toolbar panel
Cookie Editor
Edit cookies related to the current page and all its sub-frames right from a popup
CORS Toggle
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.
Live HTTP Headers
Monitor all HTTP/HTTPs traffic from your browser.
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!