Figure 6.13 - Resolution settings
You can also choose your image format in the Output Properties tab and
color settings. One of the benefits of using a PNG file besides the quality
is using the RGBA color format. By using RGBA, you can have
transparent pixels in your images (Figure 6.14).
Figure 6.14 - Color settings
That is useful to make renders with a transparent background. To render
images with no background, go to the Film settings and enable an option
called "Transparent" to make your renders appear with a transparent
background. Having transparent pixels is useful to compose renders
with other images. The option works for Cycles or Eevee (Figure 6.15).