Upload an image to simulate how it appears to viewers with four types of color blindness.
Supports JPG, PNG, GIF, WebP, BMP · All processing happens in your browser — no data sent to any server
Protanopia (red-blind), Deuteranopia (green-blind), Tritanopia (blue-yellow blind), and Achromatopsia (full color blindness / grayscale) are all simulated.
It helps designers verify that their images, illustrations, and interfaces are accessible to users with color vision deficiencies, ensuring no critical information is conveyed by color alone.
No. All simulation processing happens locally in your browser using Canvas filters. Your image is never sent anywhere.