Color Blind Simulator
Upload an image and see how it appears to people with deuteranopia, protanopia, or tritanopia — 100% client-side.
100% client-side · no upload
Load a file to begin.
How to use
- Click Upload Image and select any image from your device.
- Choose a color vision deficiency type from the dropdown.
- Click Simulate to generate the filtered image.
- Download the simulated PNG to compare with the original.
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Frequently Asked Questions
- What types of color blindness does this tool simulate?
- Deuteranopia (green-blind, ~6% of men), protanopia (red-blind, ~2% of men), and tritanopia (blue-blind, very rare). Combined, about 8% of men and 0.5% of women have some form of color vision deficiency.
- Is my image uploaded anywhere?
- No. The simulator applies color matrix transforms entirely inside your browser using the Canvas API. Your images never leave your device.
- Does it work on mobile?
- Yes. The tool works in Safari and Chrome on iOS and Android. Use the file picker to select an image from your camera roll.
Last updated: By jarvisbox