cheatsheets/imagemagick.md

title	layout
Imagemagick	default

Stuff

-resize 100x40
-flip           # vertical
-flop           # horizontal
-transpose      # flip vertical + rotate 90deg
-transverse     # flip horizontal + rotate 270deg
-trim           # trim image edges
-rotate 90

Resize to fit

convert input.jpg -resize 80x80^ -gravity center -extent 80x80 icon.png

Convert all images to another format

mogrify -format jpg -quality 85 *.png

Make a pdf

convert *.jpg hello.pdf

References

• http://www.noah.org/wiki/ImageMagick