How do I resize digital art without losing quality?
With Photoshop, you can resize an image without losing quality by using the "Image Size" dialog box. In the "Image Size" dialog box, you can change the width and height of the image. You can also change the resolution. The resolution is the number of pixels per inch.
What resolution should I use for line art?
For line art, the resolution should be 1200 “ppi” (same as “dpi”).