So i recently got into learning pixel art, after years of working on photoshop, illustrator and procreate, and i have to say, it is a really nice experience, so much fun and its also kinda therapeutic, so i definetly recomend to give it a try.
Im sharing this super helpful tutorial about canvas size, it helped me a lot to get in to the basics of pixel art.
Its made by (pixel overload) i definetly recomend to check his youtube channel.