CodeSkills
Flexbox Cheatsheet
Definitions from spec with live demos.
CodeTools
SVG Filters
A tool that makes manipulating SVG Filters more convenient.
DesignTools
SVG Gradient Map Filter
A tool to create duotone and other fascinating photo effects.
DesignTools
Clip-path converter
Convert SVG absolute clip-path to relative.
CodeResources
Grid Cheatsheet
The W3C CSS Grid Specification explained and illustrated with demos.
DesignTools
URL-encoder for SVG
Encoded SVGs for use in backgrounds, borders, and masks.