How to Simulate color blindness on images

Simulate different types of color blindness on your images. Test how your designs look to people with Protanopia, Deuteranopia, Tritanopia, and Achromatopsia.

4 min read Color Blind Simulator Free, no signup required

Quick start

Color Blind Simulator — Simulate different types of color blindness on your images.

Get started in under two minutes:

Upload your image
Review and adjust settings
Review the output
Copy the result

Open Color Blind Simulator

Step-by-step instructions

Follow these steps to get the best results from Color Blind Simulator:

Upload your image

Click the upload area or drag and drop your image. Supported formats include JPG, PNG, and WebP.

Tip: The original file is not modified. All changes are applied to the downloaded copy only.

Review and adjust settings

Use the settings panel to refine the output. Color Blind Simulator lets you simulate different types of color blindness on your images.

Tip: Most settings work well at their defaults — only adjust when you need specific output.

Review the output

Check the result against what you expected. Look for any errors or unexpected output.

Tip: Verify the result before using it in production.

Copy the result

Click the "Copy" button to copy the output to your clipboard. The button briefly changes to "Copied!" to confirm the action.

Tip: Paste the result directly into your project, code editor, or document.

Open Color Blind Simulator

Frequently asked questions

Is Color Blind Simulator free to use?

Yes — Color Blind Simulator is completely free with no account or signup required. All core features are available immediately.

Which image formats are supported?

JPG, PNG, WebP, and GIF are the most widely supported formats. The exact input and output formats depend on the operation.

Does Color Blind Simulator work on mobile devices?

Yes — Color Blind Simulator works on smartphones and tablets through any modern mobile browser. The interface adapts to smaller screens automatically.