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Color Blindness Simulator

Preview an image under common color-vision differences.

Color Blindness SimulatorWebsite credits

Uses a linear RGB matrix approximation of full-severity color-vision differences. It is an accessibility preview, not a clinical or exact individual-vision simulation.

Files remain on this device. Images are limited to 4096 pixels on their longest side. Use up to 20 files under 20 MB each; ZIP output is limited to 150 MB.
About Color Blindness Simulator
The color blindness simulator helps you preview an image under common color-vision differences. It is intended for designers and developers preparing visual assets. Start with the input and settings shown in the tool above. Review the result before saving or reusing it, especially when converting between formats that support different features. Keep your original so you can compare the output or try another setting.
How to use Color Blindness Simulator
  1. Provide the source — Use Choose your source file to provide the input for Color Blindness Simulator.
  2. Set up the output — Adjust Color vision simulation.
  3. Process and review — Select Process files. Review the generated result before using the available download or copy control.
Key features
Frequently asked questions
What does Color Blindness Simulator do?
Preview an image under common color-vision differences.
Is it free to use?
The website tool is free to access. Guests receive website credits; signing in unlocks unlimited website credits. Device limits still apply.
Where is my input processed?
Processing takes place in your browser. Local tool inputs are not uploaded to AllNewTools; model or library files may need to download first.
Which browsers can I use?
Use a current browser with JavaScript enabled. Large files, model downloads and advanced file formats may need more memory or specific browser features. Review the result before using it.
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