If you have Photoshop psd files lying around your git repository, you probably already know there's no easy way to track any changes to them — you have to launch Photoshop and manually inspect them, and if you're not a designer or don't have Photoshop installed on your device, you're fresh out of luck.
psdiff is a small tool that you install as a git hook — then, any time anyone makes a change to a psd file, psdiff automagically generates an accompanying png export of the modified file.
This means:
Get more details and usage instructions — go to the psdiff Github repository »