User1417933 84522 gold badges1111 silver badges1414 bronze badges 1 There seem like python bindings to ImageMagick: imagemagick.org/download/python. I have not used them, but I have applied ImageMagick, and it will do what you wish. user1342784 That's it! This is certainly how the income proportion calculator works. It's also possible to https://imageconverthq.com/