Extensiones
BuiltWith Technology Profiler
Find out what the website you are visiting is built with using this extension.
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.
OCR - Image Reader
A powerful optical character recognition (OCR) extension to capture and convert images to text
AddCSS
This extension allows you to add your own custom website specific CSS style sheets.
Custom Style Script
Add Custom JavaScript (JS) Code or Styles (CSS) to any Page.
ChroPath for Opera
AutonomIQ offers a developers platform ChroPath to generate and validate unique selectors like relative xpath with iframe support
PDF API HTML5
Mini SDK JavaScript and APIs library to create PDF file for web apps
stylish-hub
A browser extension that brings a new GitHub experience
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!
SEO-tools
SEO-tools - информация о доменах, аудит сайтов на SEO ошибки, а также технический аудит любой страницы. Свыше 100 онлайн сервисов
Block Yourself from Analytics
Block your Google Analytics™ activity for the websites you own, no more false stats.
Live HTTP Headers
Monitor all HTTP/HTTPs traffic from your browser.
Google Analytics Debugger
A browser extension for debugging Google Analytics tracking code
.no { CSS }
Opera 12 reminiscent Shift-G CSS zapper (use Alt-G)
Selenium Page Object Generator
A nimble and flexible Selenium Page Object Model generator to improve agile testing process velocity.
WordPress Theme and Plugins Detector
This tool detects theme and plugins used on WordPress sites and displays information about them.
NetworkMonitor
Shows the response times and uptime of a desired server. Useful to see how performs internet or a wireless access point.
Edit with Adobe Photoshop
Adds a context menu item to send image links directly to Adobe Photoshop photo editor
AddJS
This extension allows you to add your own custom website specific JavaScript.
Edit the Page
Toggles the 'Design Mode' so that you can edit the contents of the page.
HTTP Headers
Quickly view the HTTP headers of the current tab.
Right Click Validator
Right click on any webpage to validate it using the W3 NUValidator service.
Random password generator
A simple random password generator for Opera browser
JavaScript QR Code
Make QR Codes in JavaScript
Modify Header Value
Add, modify or remove a header for any request on desired domains.
PixelGrid
The tool to overlap your website layout with a grid.
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, ...
Website Analysis & SEO Tool
Website SEO audit tool that provides website analysis in SEO, performance, validity, security, accessibility and other criteria.
fonts infos
An extention to show/inspect and analyze fonts in web-pages.
Web Capture for Jira
Take a screenshot, annotate it and upload directly to Jira.
Wayback machine website
Online service that have 452 billion web pages saved over time and who is domain tool in context menu
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