Free Design Tools
Color, contrast, type scales, and CSS unit helpers for product and brand work.
- WCAG contrast checking and HEX ↔ RGB
- px/rem conversion and modular type scales
- Palette and image compression utilities
8 tools in this category
Color Palette Generator
Generate a 5-shade palette from a base color
OpenImage Compressor
Compress JPEG and WebP images locally
OpenGolden Ratio
Major and minor segments
OpenContrast Checker
WCAG contrast ratio between two hex colors
Openpx ↔ rem Converter
Convert pixels to rem and back at any root font size
OpenType Scale Generator
Modular typography scale from a base size and ratio
OpenHEX ↔ RGB Converter
Convert hex colors to RGB and back
OpenSpacing Scale
Consistent spacing steps from a base unit
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