Image
Color Blindness Simulator
Choose a type of color blindness and the image is transformed to show how it is perceived by someone with that condition.
Frequently asked questions
Which types of color blindness can I simulate?
You can simulate the main types: protanopia, deuteranopia and tritanopia, which is useful for accessibility checks.
Is this tool really free?
Yes — completely free, with no sign-up, no ads and no artificial limits.
Are my files kept or shared?
No. Processing happens on our servers, then the file is deleted immediately and an automatic cleanup removes any residue. Nothing is stored or sold.
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color blindness simulatorcolorblind simulatorprotanopia deuteranopia simulatoraccessibility color test