HLG to SDR/HDR

HLG HEIF files from Sony cameras are made for HDR displays, but other software handles them poorly: Apple Photos clips the highlights and shifts skin and sky tones when it converts them, and professional editors need an involved HDR workflow. Almost everywhere else — messengers, the web, most apps — the photos come out flat or wrong. HLG to SDR/HDR turns them into files that look right everywhere, with natural colors and the detail in the highlights kept. TWO LOOKS • BT.2446 — the ITU standard conversion from HDR to SDR. An honest, finished picture. • Flat — keeps the most detail in the highlights: a starting point for further editing. Only Flat can also write an HDR version. FOUR FORMATS • JPEG — opens everywhere. • HEIF, 8 or 10 bit — 10 bit leaves room for later editing. • JPEG + HDR and HEIF + HDR — one file with an ISO 21496-1 gain map. Ordinary screens show the SDR picture; HDR…