convert

Imagemagick image conversion tool. More information: https://imagemagick.org/script/convert.php.

• 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}}