Color blindness simulator
Simulate color vision differences
Compare how an image or interface screenshot can look with common color vision deficiencies.
Use the previews to find places where information is communicated by color alone.
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Processing happens in the browser for quick visual tasks and one-off asset preparation.
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Uploaded files are used only for the current operation and the original image stays unchanged.
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Preview the result before downloading so layout, crop and colors can be checked first.
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Most outputs can be downloaded as PNG, SVG, HTML or ZIP depending on the selected tool.
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Use desktop or tablet fullscreen mode when the image preview needs more working space.
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For publishing-critical assets, review the downloaded file in the target platform or browser.
