The ideal size for a YouTube channel art image is 2560px by 1440px. The safe area that will display on all devices is the central area of 1546px by 423px.
How do I make my YouTube banner fit on all devices?
https://www.youtube.com/watch?v=TQ7d7YxyNwM
How do I make my own channel art for free?
- Gather your assets. ...
- Log into Visme to access the free YouTube banner maker. ...
- Choose your favorite template from the YouTube channel art templates offered. ...
- Upload your assets into the YouTube channel art maker. ...
- Add icons and shapes from the left-hand graphics panel.