Images and PDFs

Convert PNG to Icon

first convert to 256

convert input.png -resize 256x256 output.png

last convert to icns

png2icns output.icns input.png

PDF to one image


convert in.pdf +append out%d.png

sudo apt install imagemagick

If convert is broken, update policy:

# Open the file 
sudo nano /etc/ImageMagick-6/policy.xml

# find and edit the line
<policy domain="coder" rights="none" pattern="PDF" />
# to :
<policy domain="coder" rights="read|write" pattern="PDF" />

Raw to JPG

ufraw-batch --out-type jpeg *