convert

ImageMagick image conversion tool.

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• Convert an image from JPG to PNG:

convert {image.jpg} {image.png}

• Scale an image 50% its original size:

convert {image.png} -resize 50% {image2.png}

• Scale an image keeping the original aspect ratio to a maximum dimension of 640x480:

convert {image.png} -resize 640x480 {image2.png}

• Horizontally append images:

convert {image1.png} {image2.png} {image3.png} +append {image123.png}

• Vertically append images:

convert {image1.png} {image2.png} {image3.png} -append {image123.png}

• Create a GIF from a series of images with 100ms delay between them:

convert {image1.png} {image2.png} {image3.png} -delay {10} {animation.gif}

• Create an image with nothing but a solid background:

convert -size {800x600} "xc:{#ff0000}" {image.png}

• Create a favicon from several images of different sizes:

convert {image1.png} {image2.png} {image3.png} {image.ico}

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This work is licensed under the Creative Commons Attribution 4.0 International License (CC-BY).

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