As good an image editor GIMP is—out of the box, it can fall short of Photoshop at times. That said, you can use plugins to extend GIMP's functionality, and these make it even more powerful than ...

You can sharpen an image in GIMP on your computer using the Sharpen tool or the Sharpen filter. Here is a full tutorial on how to do it!

GIMP didn't stop at adding non-destructive features. It now features a powerful brush engine, refined text and typography tools, and better selection tools that go head-to-head with Photoshop.