User quotes: This site is really cool!! I sent it out to folks I know so they can see what the difference is for themselves. I've known colorblind people, but just never realized what it was they weren't seeing. This is a great help.
Try Daltonize on Your Image Files
Deuteranope Simulation of Daltonized Image
Daltonize 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 Daltonize on each
Uploading a large file may take a while - please be patient!