Extensiones
Octotree
GitHub code tree on steroids
SEO-tools
Firebug Lite for Opera 15+
Live HTTP Headers
Monitor all HTTP/HTTPs traffic from your browser.
Disable Cookies
Disable cookies for current domain.
JSON Finder
Browse JSON like you do it in Finder.
Right Click Validator
Right click on any webpage to validate it using the W3 NUValidator service.
Font Inspector
Click on any HTML element to get the font info in a popup
PDF API HTML5
Mini SDK JavaScript and APIs library to create PDF file for web apps
Octotree Pro
GitHub code tree on steroids
RemoteDev DevTools
Use Redux DevTools in the DevTools
Web Sniffer
View all HTTP Requests and Responses sent between the Web browser and the Web server.
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, ...
AddCSS
This extension allows you to add your own custom website specific CSS style sheets.
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!
Luminous: JavaScript events blocker
Extensión experimental para identificar, analizar y bloquear código y eventos JavaScript en tu navegador.
Edit the Page
Toggles the 'Design Mode' so that you can edit the contents of the page.
Google Analytics Debugger
A browser extension for debugging Google Analytics tracking code
CF-Predictor
This extension predicts rating changes for Codeforces. It shows approximate deltas during and after the contest.
Edit with Adobe Photoshop
Adds a context menu item to send image links directly to Adobe Photoshop photo editor
Corser - Authorize CORS requests
Cross-browser extension for authorizing cross-origin resource sharing (CORS) requests. This extension can be installed on browsers supporting the WebExtensions API (https://developer.mozilla.org/en-US/docs/Mozilla/Add-ons/WebExtensions) It intercepts all CORS requests and responses headers, and records/adds/changes their values so as to authorized unauthorized CORS requests. Use this extension only for testing purposes
WordPress Theme and Plugins Detector
This tool detects theme and plugins used on WordPress sites and displays information about them.
PageSpeed Insights
This will take the URL of the current tab and send it to PageSpeed Insights for a web performance analysis.
Picture in Play
Indicates whether the `picture` element is in use on a page.
Определение CMS - iTrack
Расширение для определения CMS сайта
Wayback machine website
Online service that have 452 billion web pages saved over time and who is domain tool in context menu
AddJS
This extension allows you to add your own custom website specific JavaScript.
Website Color Changer
Extends the Developer Tools, adding a sidebar for colors manipulation
MultiPass
Automatically login to Basic Authentication using data based on URL regexp.
SEO Analysis with Seoptimer
Just one click to SEO Analysis with Seoptimer
fonts infos
An extention to show/inspect and analyze fonts in web-pages.
Get Thumbnails or Image to video YouTube
Hacer miniaturas o imágenes de vídeos de YouTube
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