Rozšíření
Disable Cookies
Disable cookies for current domain.
Picture in Play
Indicates whether the `picture` element is in use on a page.
PDF API HTML5
Mini SDK JavaScript and APIs library to create PDF file for web apps
RDS bar
Quick SEO analysis of websites and pages, designed for webmasters and SEOs.
Responsive Web Design Tester
Responsive Web Design Tester is a quick and easy way to test your responsive 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.
Custom Style Script
Add Custom JavaScript (JS) Code or Styles (CSS) to any Page.
SEO-tools
SEO-tools - информация о доменах, аудит сайтов на SEO ошибки, а также технический аудит любой страницы. Свыше 100 онлайн сервисов
Random password generator
A simple random password generator for 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.
stylish-hub
A browser extension that brings a new GitHub experience
WordPress Theme and Plugins Detector
This tool detects theme and plugins used on WordPress sites and displays information about them.
AddCSS
This extension allows you to add your own custom website specific CSS style sheets.
Website Analysis & SEO Tool
Website SEO audit tool that provides website analysis in SEO, performance, validity, security, accessibility and other criteria.
DNS Checker - SEO and Domain Analysis
SEO and Domain Analysis Tool by DNS Checker. Provides SEO Report, Meta Redirects and 404s, Client IP, Domain IP & Geo Location, etc
Edit with Adobe Photoshop
Adds a context menu item to send image links directly to Adobe Photoshop photo editor
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!
Web Capture for Jira
Take a screenshot, annotate it and upload directly to Jira.
Block Yourself from Analytics
Block your Google Analytics™ activity for the websites you own, no more false stats.
(X)HTML5 Checker
A small extension to validate the markup of current tab
ChroPath for Opera
AutonomIQ offers a developers platform ChroPath to generate and validate unique selectors like relative xpath with iframe support
HTTP Headers
Quickly view the HTTP headers of the current tab.
Wayback machine website
Online service that have 452 billion web pages saved over time and who is domain tool in context menu
NetworkMonitor
Shows the response times and uptime of a desired server. Useful to see how performs internet or a wireless access point.
Website scripting
Developers can add javascript codes in webpage. Like customizing other websites with our own codes.
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, ...
Modify Header Value
Add, modify or remove a header for any request on desired domains.
Nextsense XML Signing Component
Signing XML document.
Get Thumbnails or Image to video YouTube
Vytvořte miniaturu nebo obrázky z videí YouTube
PixelGrid
The tool to overlap your website layout with a grid.
OctoLinker
OctoLinker – Links together, what belongs together.