We have accumulated a super-useful collection of our favorite little web-based apps and tools for when you’re working with CSS. All of the tools have been created with the intention of being either time-saving generators to some of the more frustrating aspects of working with CSS or handy little problem-solving tools.
You will find tools for creating CSS-based animations, responsive menu generators, apps for collecting stats and sorting CSS, generators for creating pie and circle menus, and much, much more.
Get ready to start bookmarking, here they all are:
The Web Designer Toolbox
Unlimited Downloads: 500,000+ Web Templates, Themes, Plugins & Design Assets
FlexBox Parent Attribute Visualizer
The FlexBox Parent Attribute Visualizer is an interactive way to see the effect of various CSS Flexbox settings.
Keyframes.app is a web app and Chrome extension for creating CSS animations.
CSS Alignment Cheatsheet
CSS Alignment Cheatsheet is a nicely-illustrated guide to aligning all the things.
Trianglify.io – Generate custom low poly patterns in PNG or SVG format.
cssgr.id is an interactive CSS Grid generator.
Layoutit! is an interactive CSS Grid building tool.
CIRCULUS.SVG is an SVG circular menu generator.
CSS Ruler is a handy web-based tool for exploring CSS lengths.
Visualize the box-model
A useful app to help you visualize the box-model.
Fancy Border Radius
Fancy Border Radius Generator is a generator tool for creating CSS borders that go beyond the norm.
css-doodle is a web-based tool for drawing simple patterns with CSS.
CSS Duotone Generator is a simple tool for creating customized duotone effects with HTML & CSS.
Gradient Joy is a web-based tool for generating gradients as placeholder images.
CSS Grid Layout Builder
Visually Build Responsive Layouts with CSS Grid is a tool to help you build a responsive CSS grid.
Clippy is an online tool you can use to create a CSS
Encoding / Decoding Tool
One Click Encoding Decoding Tool is a useful app for converting content to ASCII character-set.
SVGOMG is a web-based app for optimizing and configuring SVGO.
Rocket is a simple tool for creating web animations.
Font Library is an open source project to tag and organize Google Fonts.
Pie Menu Generato
A super simple Pie Menu Generator.
extractCSS is a tool which can extract ids & classes from HTML documents and output a CSS stylesheet.
CSS Shrink is a small tool for ‘shrinking’ CSS files.
CSSynth is a small app for running animations in order.
EnjoyCSS is a useful tool that allows you to adjust rich graphical styles quickly without coding.
Flexy Boxes is a CSS flexbox playground and code generation tool.
CSS3 Generator is a simple CSS3 generator.
SpinKit – Simple loading spinners animated with CSS.
CSSComb – Sort CSS Properties in a Specific Order.
px-em is a PX to EM calculator.
typesetwith.me is a web-based typography and legibility sandbox.
Type Scale is a typographical visual calculator.
TypeWonder is a useful tool for testing web fonts on the fly.
Glyphter is a handy tool for creating icon fonts from SVGs.
iconizr is a tool for converting SVG images to a set of CSS icons.
iconmelon – Quickly create a library of SVG icons.
GlyphSearch is an app for searching for icons from Font Awesome, Glyphicons, IcoMoon & Ionicons.
FontAwesome Finder – Quickly and instantly search FontAwesome icons.
Fontello – Generate an icon font from Font Awesome, Entypo, Typicons, and many more icon sets. .
Fontsatic is a tool for creating custom icon fonts (over 6,000 icons to choose from).
Colors – SASS/LESS/Stylus/CSS variables and CSS classes of a better color paletter for the web.
Pantone Sass is a list of Pantone colors as Sass variables.
Flat UI Colors
BADA55.io is an app for finding the most badass leet words for your CSS hex colors.