convert
Imagemagick image conversion tool.
- Convert an image from JPG to PNG:
convert {{image.jpg}} {{image.png}}
- Scale an image 50% it's 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}}