Using ImageMagick, I want to find any pixels that are white and make them transparent. I'm thinking the key is -threshold but I can't work out how to change a white pixel to transparent using -threshold. Any suggestions most appreciated.
convert input.png -fuzz 10% -transparent white output.png
Note that the order of the arguments is important - -fuzz
must come before -transparent
.
Would something like this work?
convert input.jpg -fuzz 5% -fill to_color -opaque from_color output.jpg
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