HDR Boost Ultra HDR gain map encoder

Ultra HDR in one click

Convert SDR photos to Ultra HDR with one click.

HDR Boost uses ExpandNet to predict highlight detail and packages it as an Ultra HDR JPEG with a gain map that works in Google Photos, Chrome, and HDR displays.

Output
Ultra HDR JPEG
Workflow
~60s per photo
Compatibility
Google Photos · Chrome
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What to expect Built for SDR uploads
  • Keep the SDR look while injecting highlight detail via a gain map.
  • Consistent sizing for social posts, web, and HDR-capable displays.
  • Simple handoff—download the Ultra HDR JPEG and share anywhere.