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This is a list of Google Chrome’s best developer tools extensions.- SpeedTracer
- Get insight into the performance of your web applications.
- Pendule
Web developer tools for Chrome.
- Resolution Test
An extension for developers to test web pages in different screen resolutions, with an option to define your own resolutions.
- Measureit!
Draw out a ruler that will help you get the pixel width and height of any elements on a webpage.
- Chrome Sniffer
Detect web frameworks and javascript libraries run on browsing website.
- XML Tree
Displays XML data in a user friendly way.
- BuiltWith Technology Profiler
Find out what the website you are visiting is built with using this extension.
- View Selection Source
View selection source in resizable popup. Drag the bottom right corner to resize. Simple, but very useful for web developers.
- JavaScript Tester
Small extension with no icon, for every JavaScript developer to run and test performance of JavaScript code.
- CSS Reloader
Allows you to reload all the CSS of any site without you have to reload the page itself.
- Web developer
Adds a toolbar button with various web developer tools.
- CSS Viewer
A simple CSS property viewer.
- JSonView
View JSON documents in the browser.
- CSS Scan
Offers a quick overview of CSS properties to the element the mouse cursor is hovering. - Chrome Editor
Edit HTML easily, right inside your browser.
- Multiswitch
Switch between development, test and productive application.
- Regular Expression Checker
Simple regular expression tester.
- PHP Documentation
PHP documentation, the official PHP Manual for developers.
- jsshel
Interactive Javascript with jQuery and jLinq
- Window Resizer
Resize browser window to emulate various screen resolutions
- Aviary Screen Capture
Take a screenshot of any webpage and edit it directly in your browser with Aviary.com applications with convenient access to the Aviary website and tools.
- Eye Dropper
Eye Dropper and Color Picker extension which allows you to pick color from any webpage or from advanced color picker.
- Instant Image Editor
Edit any image or background image instantly.
- Lorem Ipsum Generator
Creates random dummy text.
- Plain Clothes
Unstyle the web.
- Validity
Click the icon in the address bar or press Ctrl+Alt+V to validate the current page.
- Inline Code Finder
Finds HTML elements with inline JavaScripts events, inline styling and javascript: links
- Picnik
Capture web pages and edit images right in your browser using Picnik
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