What matters
Apple Podcasts Episode Artwork dimensions at a glance
Per-episode artwork lets you customize the image for individual episodes, overriding the default show artwork. At 1400×1400, it gives each episode a distinct visual identity in listeners' queues.
Episode-specific artwork makes seasons, guest interviews, or special series visually distinct in listeners' libraries. It helps returning listeners navigate back-catalogs more easily.
Without episode artwork, every episode shows the same show cover, making it harder for listeners to find specific episodes. Artwork below 1400×1400 may display at lower quality.