benjaminblack/imagemagick-cheat-sheet.md

Last active March 15, 2018 19:19

Learn more about clone URLs
Clone this repository at <script src="https://gist.github.com/benjaminblack/4953a8f43e71d0e61a0e9287e928ac28.js"></script>
Save benjaminblack/4953a8f43e71d0e61a0e9287e928ac28 to your computer and use it in GitHub Desktop.

ImageMagick cheat sheet

Raw

Convert a directory of PNGs to JPEGs:

for file in `ls *.png`
do
    extension="${file##*.}"
    base="${file%.*}"
    convert "$file" -quality 60 "${base}.jpg"
done

Crop transparent border around edges:

convert image -trim +repage output

Crop border around edges with fuzziness:

convert image -fuzz 1% -trim +repage output