If you have a low-resolution image that you want to enhance or need a sharper, higher-quality picture for your project, you can consider adjusting the resolution. It's a common problem to run into ...

You’ll want to know how to change the DPI of an image in Photoshop so you can print high-quality photos. Here's how to do it.

Photoshop offers a wealth of tools for cropping images. You can crop to an aspect ratio, use content-aware fill and many other techniques.