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Imagemagick is a cross-operating-system bitmap manipulation software package, run from commandline and programmable through a variety of programming languages.

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flip an ico-image without quality loss or size increase

The following command should generate an icon with the same size of the original: $ convert -flip -colors 16 -depth 4 wikipedia.ico flipped.ico I have tested it on Windows (ImageMagick version 7.0.3 … See also this forum. -- Update -- I've tested the command above on a Debian machine (ImageMagick version 6.3.7-Q16) and on a CentOS machine (ImageMagick version 6.7.8-9-Q16), and in both cases I obtained …
Paolo Gibellini's user avatar
1 vote

How to convert a specified colour to transparent for a series of PNGs with ImageMagick?

If the color of the original background is fixed (e.g. white), you can simply use convert for all your images (see also here): convert input_image.png -transparent white output_image.png If you don …
Paolo Gibellini's user avatar