Color Blindness Simulator
Simulate how images appear to users with color blindness (protanopia, deuteranopia, tritanopia, etc.).
About Color Blindness Simulator
Simulate how images appear to users with color blindness (protanopia, deuteranopia, tritanopia, etc.). Everything runs locally in your browser — your data never leaves your device.
How to use
- Enter your input in the tool above.
- Adjust any options to your preference.
- Use the Copy or Download buttons to save the result.
- Everything happens locally — your data never leaves your browser.
FAQ
What does this tool do?
Simulate how images appear to users with color blindness (protanopia, deuteranopia, tritanopia, etc.).
Is my data sent to a server?
No. This tool runs 100% in your browser. Nothing is uploaded, tracked, or stored remotely.
What extra features does this tool have?
Extras: (1) (1) Protanopia simulation, (2) (2) Deuteranopia simulation, (3) (3) Tritanopia simulation, (4) (4) Achromatopsia, (5) (5) Protanomaly, (6) (6) Deuteranomaly, (7) (7) Tritanomaly, (8) (8) Side-by-side comparison, (9) (9) Bulk processing, (10) (10) Download simulated, (11) (11) Accessibility score, (12) (12) PWA offline
Does this work offline?
Yes — install as a PWA and use it without network.
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