While not a common way to manage images in OS X, converting images in the terminal is a quick and easy affair. You can actually use two different methods to convert image files using the command line.

Today’s how-to will show you how to install the command-line picture-manipulation tool ImageMagick, and how to build an Automator system service using shell scripting. The Service will take any number ...

I've spent a lot of time in my column talking about text processing and analysis, with the basic assumption that if you're using the command line, you're focused on text. That's not always true, and ...

Tech blog Of Zen and Computing describes how to use the free command line program ImageMagick to convert a set of images from one file format to another (like JPGs to PNGs). You can do this same sort ...

Sure, you can open up a graphics program like GIMP and resize an image, but what if you want to resize 10, 50 or 200 images? ImageMagick's convert program is just what you need. I a previous article, ...