6 Colorable
Tool for finding safe color contrast combinations according to the Web Content Accessibility Guidelines.
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1 Gridpak
Gridpak is the starting point for your responsive projects, improving your workflow and saving time. Create your responsive grid system […]
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1 The Responsive Calculator
Just a simple calculator to help turn your PSD pixel perfection into the start of your responsive website.
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1 Is this retina?
Pixel density & viewing distance calculator for a retina world.
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1 Contrast Ratio
As you type, the contrast ratio indicated will update. Hover over the circle to get more detailed information. When semi-transparent […]
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1 The Responsive Calculator
Calculate the ratio (in %) between the parent-element and the child-element of your responsive website.
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1 Density Converter
Calculate the height and width of pixel graphics for various hi-dpi-displays (f.e. retina).
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1 DPI Love
Easily find the DPI/PPI of any screen.
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1 Performance Budget Calculator
The Performance Budget Calculator is an Online-Tool to calculate the Performance Budget for your project.
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1 Simple CSS Units
Simple CSS Units is a tool to simplify all CSS units like px, em, %,… You just need to enter in […]
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Like HEX 2 RGBA Color Calculator
This CSS calculator was built for lazy people like myself. There are many great RGB color converters out there, but […]
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Like EM Calculator
Em Calculator is a small JavaScript tool which helps making scalable and accessible CSS design. It converts size in pixels […]
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Like Grid Calculator
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Like Fluid Grid Calculator
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Like Get Twitter ID & Feed
Use this tool to find a twitter id and the rss-feed from a username.
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Like Responsive Grid System
Responsive Grid System is a quick, easy & flexible way to create a grid for a responsive web site.
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Like Color Hex
ColorHexa.com is a free color tool providing information about any color. Just type any color values in the search field […]
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Like Formula.js
JavaScript implementation of most formula functions supported by Excel and Google Spreadsheets.
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Like Type Scale
Preview and choose the right type scale for your project. Experiment with font size, scale and different webfonts.
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Like RQRWD
RQRWD is a responsive web design tool which allows you to work out the elements width in % from px.
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Like px-em
px-em is a px to em tool which allows you to work out the em sizes from px.
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