What HDR formats are supported?

The tool supports HDR AVIF files encoded with PQ (Perceptual Quantizer) or HLG (Hybrid Log-Gamma) transfer functions.

Which tone mapping curve should I choose?

Hable Filmic offers a film-like roll-off, Reinhard is a classic linear-to-nonlinear mapper, and Mobius preserves midtone contrast well.

What does the highlight desaturation setting do?

It reduces color saturation in extremely bright areas to prevent clipping and maintain natural-looking highlights during conversion.

Why does the output look different from my HDR display?

The tool compresses the high dynamic range of HDR (up to 10,000 nits) into standard dynamic range (typically 100 nits) so it can be viewed on standard SDR screens.

Can I embed the sRGB profile in the output PNG?

Yes, you can check the 'Embed sRGB Profile' option to ensure consistent color rendering across different web browsers and image viewers.

Elysia Tools

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HDR AVIF to SDR PNG Tone Mapper

Decode PQ or HLG AVIF, convert BT.2020 to sRGB, and tone map highlights into a viewable SDR PNG.

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1 examples

HDR AVIF to SDR PNG Tone Mapper

Decode PQ or HLG AVIF, convert BT.2020 to sRGB, and tone map highlights into a viewable SDR PNG.

{
  "type": "file",
  "filePath": "/public/samples/image-bit-depth/hdr-avif-to-sdr-png-example.png"
}

Inputs

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6 options

FilesUpload source files for this workflow.1

HDR AVIF ImagefileRequired

Single file max size: 100 MBSupported types: image/avif

SettingsAdjust formats, ranges, numbers, and modes.4

Tone Mapping CurveselectOptionalSource Peak Brightness (nits)numberOptionalTarget SDR Brightness (nits)numberOptionalHighlight DesaturationrangeOptional

0100

TogglesEnable or disable optional behavior.1

Embed sRGB ProfilecheckboxOptionalEnabled when checked

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Samples

HDR AVIF to SDR PNG Tone Mapper

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Key facts

Overview

When to use

How it works

Use cases

Examples

1. Converting HDR Game Screenshots for Web Sharing

2. Tone Mapping HLG Photos for Digital Portfolios

FAQ

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