Tools
Testing Tools
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Kaleidoscope
File comparison: easily spot the differences in text and image files.
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Jing
Jing gives you the basic tools to start sharing images and short videos of your computer screen.
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BrowserShots
Browsershots makes screenshots of your web design in different operating systems and browsers.
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Nibbler
Enter the address of any website and Nibbler will give you a report scoring the website out of 10 for important features.
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DOM Monster!
DOM Monster is a cross-platform, cross-browser bookmarklet that will analyze the DOM & other features of the page you're on.
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Loads.in
Performance monitoring: How fast does your webpage load?
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Schnippselchen
Store, track, and fast access all your code snippets and paste them into any editor
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Dash
Instant search and offline access to any API documentation you may need.
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Characters
Special characters tailor made for writers, designers and developers
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responsivepx
Flexible online tool to test for different custom screensizes, built by Remy Sharp.
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Foldtester
Helps to answer the questions about where your site's content will show up on world's internet browsers.
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Responsive Design Testing
Test your own site..type the URL and hit enter
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Responsive.is
etter web type with less hassle.
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The Responsinator
The Responsinator helps website makers quickly get an indication of how their responsive site will look on the most popular devices.
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Mobile Responsive Design Testing
Test your own site..type the url and hit enter
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Imgoptim
ImageOptim optimizes images — so they take up less disk space and load faster
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Stella. Is your site fast?
Stella is a developers tool for monitoring and debugging websites and applications.
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Aptus
Aptus is a dedicated browser that lets you preview, edit and screenshot your responsive site at any size from mobile through to large desktop.
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Opera Mobile Emulator
emulator for mobile development on the desktop, by Opera
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Colorsnapper
The missing color picker for Mac: easy and efficient colour picker in varied formats.
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Colororacle
Color Oracle takes the guesswork out of designing for color blindness.
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