Rocking Out With Photoshop - How to Adjust the Size of your Canvas in Photoshop

The video tutorial explains how to manage canvas size in image editing. It covers checking image dimensions, adjusting canvas size using pixels or percentages, and anchoring images. The tutorial also discusses setting canvas color and transparency, and demonstrates practical applications in design and compositing, such as resizing for different advertisement formats.

Describe the effect of releasing the background on the canvas.

In what scenarios does the speaker frequently adjust the canvas size?