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}}
• Create a favicon from several images of different sizes:
  convert {{image1.png}} {{image2.png}} {{image3.png}} {{image.ico}}