While higher resolutions like 4K can take several hours to process depending on the video format, length, frame rate, and resolution. This is because YouTube will first process your video in low resolution to accelerate the uploading process. FLV, 3GPP, WebM, DNxHR, ProRes, CineForm, and HEVC (h265). Oftentimes problems occur if you're uploading a video in the wrong format. If this doesn't solve your issue, please see more solutions at YouTube video stuck on processing. You should go back and check whether your video settings are supported by YouTube and improve the settings according to YouTube's recommended settings. This is mainly because of the wrong video format. Note: To view new 4K uploads in 4K, use a browser or device that supports VP9. Video Bitrate, High Frame Rate (48, 50, 60): 66-85 Mbps Video Bitrate, Standard Frame Rate (24, 25, 30): 44-56 Mbps Video Bitrate, High Frame Rate (48, 50, 60): 53-68 Mbps Video Bitrate, Standard Frame Rate (24, 25, 30): 35-45 Mbps Keep the original frame rate as it was recorded when uploading
Progressive scan (no interlacing, see how to deinterlace) The following section is the official recommended encoding settings for YouTube 4K video uploading: Uploading 4K to YouTube without quality loss, you have to make sure that the video is in the best position for uploading, which means, you have to set the video parameters by YouTube's recommendations.