YouTube image sizes
Video thumbnail
16:91280×720
16:9. Minimum width 640px; 1280×720 is the standard.
Verified July 20, 2026
Channel banner
16:92560×1440
Safe area for TV/desktop/mobile is narrower — center critical text.
Verified July 20, 2026
Profile photo
1:1800×800
Displayed circular.
Verified July 20, 2026
Community post image
16:91280×720
16:9 works reliably; square also common.
Verified July 20, 2026