DaTools — Color Blind Simulator

Upload an image and preview how it appears to people with common color vision deficiencies. No API — runs entirely in your browser.

Made by Syed Afnan SAV • toolplus9@gmail.com
Supported: JPG, PNG, WEBP. Max size recommended 10MB.
Normal
Protanopia
Deuteranopia
Tritanopia
Achromatopsia
0 = no change, 100 = full simulation
This simulator uses color transformation matrices to approximate how images appear to different types of color blindness. It runs completely in the browser — no images are uploaded to any server.