Welcome to Vischeck

Simulate color vision deficiencies and explore Daltonize correction in your browser.

What is this?

Vischeck simulates color vision deficiencies using the Brettel/Vienot/Mollon approach.

Daltonize is an optional correction that moves information into channels that remain perceptible.

Tinyeyes simulates infant vision

Try it

Upload an image, choose a deficiency type, optionally enable Daltonize, then download results.

Run Vischeck

Run Tinyeyes