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Color Blindness Simulator

Preview an image under common color-vision deficiency simulations.

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Continue your image workflow

Use the result with another focused blackccbox tool.

Contact Sheet MakerFace BlurPixel Art ConverterImage to ASCII Art

Frequently asked questions

Is Color Blindness Simulator free?

Yes. The core workflow is free, needs no account, and produces a usable result rather than a demo placeholder.

Does Color Blindness Simulator upload my data?

Images are processed locally in this browser and are not uploaded by the tool.

What limitation should I know about?

Review the exported image at full size before sharing or deleting the original.