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User quotes:
Fascinating! The accuracy of what a red/green colorblind person sees is right on! I'm colorblind and couldn't tell the difference between the original image and the image altered to represent what a colorblind person sees!
-Nori L.
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Try Vischeck on Your Image Files


  • Vischeck accepts most common image formats. However, we recommend that you use PNG or JPEG format for uploading large images as these tend to transfer faster.
  • For PowerPoint slides, you can save all your slides as PNG images with "Save As..." and run Vischeck on each slide.
  • If you have many images to process, consider downloading Vischeck to run on your own computer.)
  • Uploading a large file may take a while - please be patient!

Privacy policy. Contact: Last modified 2014-Feb-04 23:11 GMT.