Extensões
Adicione novas funcionalidades ao Opera
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
EditThisCookie é um gerenciador de cookies. Você pode adicionar, excluir, editar, procurar, proteger e bloquear cookies!
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 Developer
Adds a toolbar button with various web developer tools. The official port of the Web Developer extension for Firefox.
Контур.Плагин
Web Mirrors
Save All Images
a customizable extension to save selected images from the current tab page
Stylus
Mude o estilo da web com o Stylus, um gerenciador de estilos do usuário. O Stylus permite instalar facilmente temas e skins para Google, Facebook, YouTube, Orkut e muitos, muitos outros sites.
Web Sniffer
View all HTTP Requests and Responses sent between the Web browser and the Web server.
Podpis elektroniczny Szafir SDK
JavaScript Switcher
Quick way to enable/disable Javascript
JSON Lite
Fast JSON viewer - highlights, shows items count/size, handles large files
RDS bar
Quick SEO analysis of websites and pages, designed for webmasters and SEOs.
HTML5 Editor
HTML5 Editor with CSS, JS, HTML validator and beautify code
RestMan
RESTMan is a browser extension to work on http requests.
Open in Google Chrome
Open current page, link, or all tabs in the Chrome browser.
Помощник диагностики
PerfectPixel by WellDoneCode
This extension helps develop your websites with per pixel accuracy!
SeoQuake extension
O SEOquake é um plugin gratuito que lhe oferece métricas de SEO fundamentais, juntamente com outras ferramentas úteis como a Auditoria de SEO e muitas outras
RESTED
A REST client for the rest of us
Firebug Lite for Opera 15+
Font Finder
Get all CSS styles of selected text
Internet Speed Test
Test your internet connection speed (upload and download) from a toolbar panel
TV Emulator
The Vewd TV Simulator enables any developers to test and debug their HTML5 apps for the Vewd App Store.
Full Screen
Go full screen with one click on the button.
CORS Toggle
Adds Access-Control-Allow-Origin, Access-Control-Allow-Methods and Access-Control-Allow-Headers headers for CORS.
Responsive Web Design Tester
Responsive Web Design Tester is a quick and easy way to test your responsive website.
Disable Cookies
Disable cookies for current domain.
Cookie Editor
Edit cookies related to the current page and all its sub-frames right from a popup
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.
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