ImageMagick is a time saver!
It’s designed and extremely powerful for manipulating images with a few command lines.
Few weeks ago, I had to resize a bunch of
.png images and realize how helpful
ImageMagick could be is such case! All I had to do was creating a short
shell script very similar to the following lines:
Note that here, the size is expressed in pixels (
250x250) and only images
larger than 250 px are shrunk (as I use the
There are many arguments and several ways of using them (e.g. you
can use percentage with
-resize), if you are interested in learning more, I
recommend you have a look at the documentation of imageMagick.
By the way, the R 📦 magick
proposes a set of bindings to call ImageMagick directly from R.