Free tools
Small tools for the jobs that come up all the time. Each one does a single thing, runs in your browser, and uploads nothing.
Color palette from image
The colors a picture is made of, as CSS variables, Tailwind or JSON
Color contrast checker
WCAG AA and AAA for two colors, with the closest color that passes
The same jobs, on any live page.
The Design Toolkit extension reads a page's colors, contrast, fonts and spacing as you hover. Free for 7 days, then a one-time payment.
- No account
- Runs locally
- 14-day refund
Guides
Longer answers to the questions behind the tools. See all guides.