Color Blindness Simulator

Colblindor

Place

#7 of 8

Chart

Score

5.2

The facts below are what Colblindor publishes about Color Blindness Simulator, checked and dated. Our editors have not written about it yet.

The facts

Each one read from Color Blindness Simulator's own pages, with the date it was checked.

Alternative version: The site points users to an old simulator version if the current one does not work correctly for them.checked 14 Nov 2026
Commercial-use limit: The site says the HCIRN Color Blind Simulation function is freely available for non-commercial use and directs commercial users to contact HCIRN.checked 14 Nov 2026
Deficiencies: The release page states it can simulate all possible color vision deficiencies.checked 14 Nov 2026
Image input: Users can try the sample image or upload their own image.checked 14 Nov 2026
Image-size limits: The site says there are no image-size restrictions because calculations are local.checked 14 Nov 2026
Image upload: Users can select an image using upload functionality or drag and drop it into the simulator.checked 14 Nov 2026
Local processing: The simulator calculates on the user's local machine and says images are not uploaded to its server.checked 14 Nov 2026
Pan and zoom: Users can zoom and move images with a mouse.checked 14 Nov 2026
Purpose: Coblis helps people imagine color blindness by simulating how images appear with color vision deficiencies.checked 14 Nov 2026
Simulation types: The 2008 release page says the simulator can select nine color vision types.checked 14 Nov 2026
Support: Users are asked to report simulator issues through the contact page.checked 14 Nov 2026
Technology: The current version is based on the jsColorblindSimulator project developed by MaPePeR.checked 14 Nov 2026

Browser compatibility: The site warns of Lens-feature issues in Edge and Internet Explorer.checked 14 Nov 2026