Check out all of these kitchen cabinet makeovers here on Hometalk:
Here's what we did:
Scrub them down and if you don't want to paint, change the stain. Swap out the hardware. Maybe add trim for the shaker look.
I made-over the kitchen cabinets during my kitchen renovation but just painting them! I added on in certain areas to make the island and back of the cabinets more substantial and I shared how to do it all yourself as well in this post: