Recommended Size800 × 800 px
Aspect Ratio1:1 (square)
Display ShapeCircle (auto-cropped)
Max File Size4 MB
FormatJPG, PNG, BMP, GIF (no animation)

Why Square, Even Though It Displays as a Circle

YouTube requires a square upload and applies a circular mask automatically across every surface: comments, subscriptions, channel pages, and live chat. Uploading a square image with your subject centered ensures nothing important gets clipped by the circular crop.

The Circular Safe Zone

Because corners of a square get cut off by the circular mask, keep your logo, face, or key visual element within the inscribed circle — roughly 90% of the canvas, centered. Anything in the four corners (the area outside the circle) is invisible by design.

Avatar Display Sizes Across YouTube

PlacementDisplay Size
Channel page (large)176 × 176 px
Video page (below player)48 × 48 px
Comments40 × 40 px
Live chat24 × 24 px
Mobile subscriptions36 × 36 px

Design Tips for a Strong Avatar

  • Faces or simple logos work best — complex designs become illegible at 24px
  • High contrast against YouTube's white and dark theme backgrounds
  • Centered composition — off-center subjects look awkward when circle-cropped
  • Avoid thin text entirely; it disappears at small display sizes

Need your banner specs too? Check our YouTube Banner Size guide.