Yes. MediaZilla fully supports 4K video uploads, in both SDR (Standard Dynamic Range) and HDR (High Dynamic Range).
Viewing 4K Content
If a video is uploaded in 4K, viewers can stream it in 4K on supported devices and browsers.
When downloads are enabled, recipients can also download the original 4K file.
HDR uploads are preserved, but playback depends on the viewer’s device capabilities.
👉 Learn more: How do I watch 4K content?