A 2560x1440 banner that keeps everything important inside the 1546x423 strip every device shows, because the rest gets cropped away.
Only the centre 1546×423 of a 2560×1440 banner shows on every device. Keep your subject, face or logo inside that centre band. Anything near the edges gets cropped on TV and mobile.
Describe the banner. 2560×1440, composed inside the 1546×423 safe strip.
Describe the banner and we compose it at 2560x1440, the size YouTube asks you to upload. The catch is the safe area: only the central 1546x423 strip is guaranteed visible on every device, so we keep your subject, face or logo inside that middle band and push background and atmosphere out to the edges.
A TV, a desktop and a phone each crop a different amount of that 2560x1440 canvas. Put anything you need seen near the edges and it can vanish on some screens before anyone views it. Runs return one image by default, in 16:9 at 2K.
That's deliberate. Only the middle 1546x423 of the 2560x1440 canvas is guaranteed visible on every device, so the important content stays inside that band.
No. Image models render lettering and logos badly. Leave lettering off and add your logo afterwards with a text or design tool.
Yes. Channel Banner Generator is a Pro tool.