When picking or editing a gaming or anime PFP, focus on a strong silhouette and...

https://purepfp.com/why-bold-game-characters-remain-recognisable-in-tiny-profile-icons/

When picking or editing a gaming or anime PFP, focus on a strong silhouette and clear face crop so it stays readable when tiny and circular. Keep the background simple and avoid text that gets fuzzy at small sizes