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DNG to AVIF: conversion guide

Source · DNG
Target · AVIF

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What happens when you convert DNG to AVIF?

RAW development

DNG needs camera- and file-aware development to produce a rendered AVIF image. White balance, exposure, camera colour interpretation and, where applicable, demosaicing determine that rendering. The destination does not retain the original RAW development latitude. No development settings or camera support are implemented yet.

Transparency

The target can store an alpha channel, but converting an opaque image does not create transparent areas. Removing a background is a separate editing step.

Encoding mode

AVIF can use lossy or lossless AV1 coding. Chroma subsampling, RGB↔YUV conversion and reduced bit depth can change source values even when the AV1 coding stage is lossless. AVIF permits different encoding modes or container representations. Its format name alone does not promise lossless output, a quality setting or a size reduction. The future engine must choose a supported codec and sample representation; inspect the target’s compression notes below.

DNG

Source

DNG

Adobe Digital Negative

Compression: Depends on variantTransparency: NoMetadata: Exif, DNG tags

A published TIFF-based format for raw image data, calibration and photographic metadata.

Explore DNG format →
AVIF

Target

AVIF

AV1 Image File Format

Compression: Lossy & losslessTransparency: YesMetadata: Exif, XMP, ICC, CICP

AV1-compressed pictures in an image container, with optional alpha, sequences and high-dynamic-range colour.

Explore AVIF format →

Is DNG → AVIF right for you?

Good choice when

  • AVIF fits your delivery use: Photo delivery & HDR images.
  • You need a developed image for a non-RAW application.
  • Your receiving application supports the required AVIF variant.
  • You can validate the destination’s sample precision and colour interpretation.
  • You need a AVIF-compatible workflow that can hold transparency added in a separate edit.

Probably not when

  • You need the original sensor data and freedom to redevelop it.
  • You need a guaranteed quality or file size before encoder settings exist.
  • You require identical samples without a defined colour and precision policy.
  • You expect automatic background removal or transparency.

DNG to AVIF conversion details

RAW development
DNG needs camera- and file-aware development to produce a rendered AVIF image. White balance, exposure, camera colour interpretation and, where applicable, demosaicing determine that rendering. The destination does not retain the original RAW development latitude. No development settings or camera support are implemented yet.
Transparency
The target can store an alpha channel, but converting an opaque image does not create transparent areas. Removing a background is a separate editing step.
Encoding mode
AVIF can use lossy or lossless AV1 coding. Chroma subsampling, RGB↔YUV conversion and reduced bit depth can change source values even when the AV1 coding stage is lossless. AVIF permits different encoding modes or container representations. Its format name alone does not promise lossless output, a quality setting or a size reduction. The future engine must choose a supported codec and sample representation; inspect the target’s compression notes below.
Sample precision & colour
Source and target sample models can differ in precision, channel layout, colour space and transfer function. Lossless compression only preserves the samples actually encoded; a precision reduction or colour conversion can already change them. The future engine defines numeric mapping, orientation and colour conversion; canonical depth facts are listed below where available.
Metadata & colour
Format support does not guarantee that an export preserves metadata or colour profiles. Retention and colour handling depend on the future converter; its engine is not implemented yet.
Compression
DNG: Depends on variant → AVIF: Lossy & lossless DNG: Compression, sample type and processing stage are defined by the file and DNG version. Converting a proprietary raw file to DNG is different from exporting a rendered photo, but it does not guarantee preservation of every maker-specific feature. Keep the source when future reprocessing or vendor software matters. AVIF: AVIF can use lossy or lossless AV1 coding. Chroma subsampling, RGB↔YUV conversion and reduced bit depth can change source values even when the AV1 coding stage is lossless.
Transparency
DNG: No → AVIF: Yes
Animation
DNG: No → AVIF: Yes
Colour depth
DNG: File-defined sample precision → AVIF: 8 / 10 / 12 bits
HDR
AVIF: Optional; colour properties
Sensor data
DNG: Raw development required
Dimensions
Pixel dimensions, page geometry, rendering resolution, resizing and orientation need explicit converter policies. The future engine has not defined them yet.
Metadata
DNG: Exif, DNG tags → AVIF: Exif, XMP, ICC, CICP. Which fields are copied, rewritten or omitted will depend on the future engine; retention is not implemented yet.

Common questions

Will AVIF still be an editable camera RAW?

DNG needs camera- and file-aware development to produce a rendered AVIF image. White balance, exposure, camera colour interpretation and, where applicable, demosaicing determine that rendering. The destination does not retain the original RAW development latitude. No development settings or camera support are implemented yet.

Will the background become transparent?

The target can store an alpha channel, but converting an opaque image does not create transparent areas. Removing a background is a separate editing step.

Which compression mode will AVIF use?

AVIF can use lossy or lossless AV1 coding. Chroma subsampling, RGB↔YUV conversion and reduced bit depth can change source values even when the AV1 coding stage is lossless. AVIF permits different encoding modes or container representations. Its format name alone does not promise lossless output, a quality setting or a size reduction. The future engine must choose a supported codec and sample representation; inspect the target’s compression notes below.

Are bit depth and colour values guaranteed to match?

Source and target sample models can differ in precision, channel layout, colour space and transfer function. Lossless compression only preserves the samples actually encoded; a precision reduction or colour conversion can already change them. The future engine defines numeric mapping, orientation and colour conversion; canonical depth facts are listed below where available.

Will metadata and colour profiles be retained?

DNG: Exif, DNG tags → AVIF: Exif, XMP, ICC, CICP. Which fields are copied, rewritten or omitted will depend on the future engine; retention is not implemented yet.

Explore related DNG and AVIF conversions.

Other targets for DNG

DNG→JPEG
DNG → JPEG
DNG→TIFF
DNG → TIFF

Other sources for AVIF

JPEG→AVIF
JPEG → AVIF
WebP→AVIF
WebP → AVIF
HEIC→AVIF
HEIC → AVIF