YouTube's Channel One redesign changed the requirements for your YouTube's channel art. Without warning, YouTube changed the art size dimensions leaving many YouTubers left with unformatted YouTube banners. Below you will find the YouTube Channel Art Size that is recommended for any YouTube account.
YouTube Channel Art Size
To add the optimal banner size for YouTube's channel art, YouTube recommends using a banner size of 2560 x 1440 pixels. While it's a large file format, you may want to use Photoshop or Canva to get the correct dimensions laid out properly.