This is a beginner's guide, it’s oversimplified to be used as a quick reference. What’s Pixel Art? There are many definitions, but my favorite is: “It’s low-resolution art where the placement of every pixel is intentional.” Working with pixel art has many advantages but also comes with several challenges and limitations. Pixels are drawn on a grid, similar to certain mosaics or cross-stitching, like this:
Scaling Your computer screen (or phone, or tablet, or whatever device you use) also has physical pixels on it: