Rozšíření
RestMan
RESTMan is a browser extension to work on http requests.
TeamCity Notifier
Shows notifications about various events in TeamCity
Font Inspector
Click on any HTML element to get the font info in a popup!
Responsive Web Design Tester
Responsive Web Design Tester is a quick and easy way to test your responsive website.
Picture in Play
Indicates whether the `picture` element is in use on a page.
RESTED
A REST client for the rest of us
OCR - Image Reader
A powerful optical character recognition (OCR) extension to capture and convert images to text
SEO-tools
SEO-tools - информация о доменах, аудит сайтов на SEO ошибки, а также технический аудит любой страницы. Свыше 100 онлайн сервисов
Disable Cookies
Disable cookies for current domain.
AddCSS
This extension allows you to add your own custom website specific CSS style sheets.
Luminous: JavaScript events blocker
An experimental extension to identify, analyze and block code execution and event collection through JavaScript in your browser.
Custom Style Script
Add Custom JavaScript (JS) Code or Styles (CSS) to any Page.
Random password generator
A simple random password generator for Opera browser
InTab - Code CSS 2X Faster
Visually Code & Debug CSS In Your Browser
RDS bar
Quick SEO analysis of websites and pages, designed for webmasters and SEOs.
PDF API HTML5
Mini SDK JavaScript and APIs library to create PDF file for web apps
JavaScript QR Code
Make QR Codes in JavaScript
Modify Header Value
Add, modify or remove a header for any request on desired domains.
Live HTTP Headers
Monitor all HTTP/HTTPs traffic from your browser.
Edit with Adobe Photoshop
Adds a context menu item to send image links directly to Adobe Photoshop photo editor
BuiltWith Technology Profiler
Find out what the website you are visiting is built with using this extension.
Get Thumbnails or Image to video YouTube
Vytvořte miniaturu nebo obrázky z videí YouTube
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!
WordPress Theme and Plugins Detector
This tool detects theme and plugins used on WordPress sites and displays information about them.
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.
(X)HTML5 Checker
A small extension to validate the markup of current tab
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
Wayback machine website
Online service that have 452 billion web pages saved over time and who is domain tool in context menu
ChroPath for Opera
AutonomIQ offers a developers platform ChroPath to generate and validate unique selectors like relative xpath with iframe support
stylish-hub
A browser extension that brings a new GitHub experience
AddJS
This extension allows you to add your own custom website specific JavaScript.
CF-Predictor
This extension predicts rating changes for Codeforces. It shows approximate deltas during and after the contest.