DesignComing soon
Contrast Checker
A planned accessibility helper for color contrast.
Runs locally in your browser. Your data never leaves your device.
Contrast Checker is coming soon
The catalog and SEO page are ready. The actual tool interface will be added when the feature is implemented.
How it works
This tool is isolated from the rest of the catalog and follows the ProntoUso local-first model. When a tool runs in the browser, the input is processed on your device and is not sent to a ProntoUso server.