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This is a wonderfully informative website. I've always been curious as to what people meant when they said 'I'm color blind'. I thought it meant that they could only see black and white. Thank you for enlightening me on this subject.
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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.