Colour Vision Deficiency Image Tester

About this tool

With this tool you can upload an image and view how it appears under a simulation of different types of colour vision deficiency, or colour blindness.

Learn more about colour vision deficiency.

How to use this tool

1. Upload you image.
2. Review your image under different colour vision deficiency simulations.
3. Use the slider control to change the size of your image..

Data and privacy

All interactions with this tool take place only on your computer. No data is shared externally.

Credits

This tool uses the following:

• Accurate SVG filters for color blindness simulation by Nicolas Burrus.