Mac OS X: Convert some pictClipping files to images
A really annoying thing about Mac OS X is that it saves some things you drag-and-drop to Finder (for example, the cover art in iTunes) as “clipping” files, like “pictClipping” for picture files. People long ago figured out that pictClipping files kept the actual image stashed in the resource fork, which file identifies as a “ms-windows icon resource.”
I haven’t had any luck finding some simple way to batch convert these “icon” files into real images, but as it turns out, these files seem to mostly be real image files, like TIFF, JPEG, or PNG, with some weird header. Someone figured out how to convert these to TIFF, if the image in the pictClipping is a TIFF, and so I used this to write some Automator actions that convert pictClipping images to TIFF, JPEG, or PNG. You can save these workflows as Finder plugins, meaning that you can right-click on any pictClipping file, and try to convert that file to some format.
The workflows:
- Convert pictClipping to JPEG.workflow
- Convert pictClipping to PNG.workflow
- Convert pictClipping to TIFF.workflow
These are a little sucky, because you have to experiment with each one until one of them works (it should be easy enough to write a little meta-workflow that handles all three, but I’m too lazy right now).

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