Convert, Edit, and Compose Images
anthony wrote:use png8:image.png png8 makes the png image output act like it was GIF, with all the limitations of GIF.
For better methods you may like to look at pngnq instead
If when reading an image you force IM to create a image color index table
(or palette) then IM will save that image using a "png8:" format...
convert input.jpg -type Palette output.png