Fujifilm RAF to HEIF: conversion guide

Source · Fujifilm RAF
Target · HEIF

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What happens when you convert Fujifilm RAF to HEIF?

RAW development

Fujifilm RAF needs camera- and file-aware development to produce a rendered HEIF 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

HEIF defines the container. Compression may be lossy, lossless or uncompressed depending on its codec binding; one global quality or bit-depth value would be misleading. HEIF 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.

Fujifilm RAF

Source

Fujifilm RAF

Fujifilm Raw

Compression: Depends on variantTransparency: NoMetadata: Capture metadata

Fujifilm camera raw images, with compression variants and sensor interpretation specific to the model.

Explore Fujifilm RAF format →
HEIF

Target

HEIF

High Efficiency Image File Format

Compression: Depends on variantTransparency: YesMetadata: Exif, XMP, ICC, NCLX

An image container for individual pictures, collections and sequences. The codec inside determines compression.

Explore HEIF format →

Is Fujifilm RAF → HEIF right for you?

Good choice when

  • HEIF fits your delivery use: Device photography & image collections.
  • You need a developed image for a non-RAW application.
  • Your receiving application supports the required HEIF variant.
  • You can validate the destination’s sample precision and colour interpretation.
  • You need a HEIF-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.

Fujifilm RAF to HEIF conversion details

RAW development
Fujifilm RAF needs camera- and file-aware development to produce a rendered HEIF 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
HEIF defines the container. Compression may be lossy, lossless or uncompressed depending on its codec binding; one global quality or bit-depth value would be misleading. HEIF 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
Fujifilm RAF: Depends on variant → HEIF: Depends on variant Fujifilm RAF: Fujifilm documents uncompressed, lossless-compressed and lossy-compressed RAW options where supported. Lossless and lossy modes are distinct, and applications must understand the particular compressed variant. The file extension does not declare which option was selected. HEIF: HEIF defines the container. Compression may be lossy, lossless or uncompressed depending on its codec binding; one global quality or bit-depth value would be misleading.
Transparency
Fujifilm RAF: No → HEIF: Yes
Animation
Fujifilm RAF: No → HEIF: Yes
Colour depth
Fujifilm RAF: Camera and recording mode → HEIF: Codec/profile dependent
HDR
HEIF: Codec/profile dependent
Multiple images
HEIF: Collections & sequences
Sensor data
Fujifilm RAF: 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
Fujifilm RAF: Capture metadata → HEIF: Exif, XMP, ICC, NCLX. Which fields are copied, rewritten or omitted will depend on the future engine; retention is not implemented yet.

Common questions

Will HEIF still be an editable camera RAW?

Fujifilm RAF needs camera- and file-aware development to produce a rendered HEIF 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 HEIF use?

HEIF defines the container. Compression may be lossy, lossless or uncompressed depending on its codec binding; one global quality or bit-depth value would be misleading. HEIF 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?

Fujifilm RAF: Capture metadata → HEIF: Exif, XMP, ICC, NCLX. Which fields are copied, rewritten or omitted will depend on the future engine; retention is not implemented yet.