Free tools for designing interfaces properly.
Workshop timers, type scales, contrast grids and research maths. No accounts, no adverts, nothing stored — every tool runs in your browser and shares as a link.
Workshop & facilitation
Run a session without watching the clock yourself.
Workshop Timer
Crazy 8s, 1-2-4-All and lightning demos, timed properly.
Design system & layout
Foundations you can paste straight into code or Figma.
Contrast Grid
Every colour pair in your palette, checked at once.
Type Scale
A modular scale, with fluid clamp() and Figma-ready values.
Research & analytics
The maths behind usability numbers, done properly.
SUS Calculator
System Usability Scale scores, with the confidence interval.