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Color Blindness Simulator in your browser
Preview an approximation of common color-vision deficiencies. Use color blindness simulator locally in your browser without an account or file uploads.
How to use color blindness simulator
- Choose one or more files using the file picker or drop zone.
- Review simulation, output format and adjust the available settings.
- Create the result, review its preview and download it before leaving the tool.
Before you start
This approximates selected color-vision differences. It is not a medical test or a complete accessibility audit. Review contrast and labels alongside color.
Selected files are limited to 150 MB total (100 MB for video). Results stay in this tab; download before leaving. Read the privacy policy.
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