Why is my YouTube banner blurry on mobile? Correct size for 2025?

[Alazhe]

I’m redesigning my channel and noticed my banner loses quality or gets cropped on mobile. What’s the proper dimension I should use to avoid this issue in 2025?

 

[steaky]

I’m redesigning my channel and noticed my banner loses quality or gets cropped on mobile. What’s the proper dimension I should use to avoid this issue in 2025?

google

 

[Lanaufontana]

While updating mine, I learned that the optimal youtube channel banner size 2025 is 2560×1440 px. However, the most important part is the central 1546×423 px safe area, since only this part is guaranteed to display correctly across devices. I adjusted my layout around it and now it looks sharp on desktop, TV, and mobile.