Olympus RAW

Writable

image

Olympus raw format (.orf) is a raw image format used by models of Olympus digital cameras.

Identify it

Extensions	`.orf`
MIME types	`image/x-olympus-orfimage/x-raw-olympus`
Signatures	`4d4d4f5200000008` at byte 0 (Olympus RAW big endian) `4949524f08000000` at byte 0 (Olympus RAW little endian 1) `4949525308000000` at byte 0 (Olympus RAW little endian 2)
PRONOM	`fmt/668`
Wikidata	`Q7072922`

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Open it

libexiv2Open sourcereads and writes · GNU General Public License, version 2.0 or later
AbydosOpen sourcereads · GNU Lesser General Public License
ConverseenOpen sourcereads · GNU General Public License, version 3.0
ExifToolOpen sourcereads · Artistic License / GNU General Public License, version 1.0 or later
F-SpotOpen sourcereads · GNU General Public License / MIT License
ImageMagickOpen sourcereads · ImageMagick License
LibRawOpen sourcereads · Common Development and Distribution License version 1.0 / GNU Lesser General Public License, version 2.1
PhotoRecOpen sourcereads · GNU General Public License
Zoner Photo Studioreads and writes
ACDSeereads · proprietary license
Adobe Camera Rawreads
Adobe Photoshop Elementsreads
Adobe Photoshop Elements 3.0reads
Fast Picture Viewerreads
FastStone Image Viewer 5.2reads
IrfanViewreads · freeware
MediaRich Serverreads
Microsoft Photosreads · Microsoft end-user license agreement
PaintShop Photo Pro X3reads
PaintShop Pro X4reads
Photorecoveryreads
PicaJetreads · freeware
Q122522973reads
Q1936840reads
Q472277reads · freeware

Convert it

To	With	Fidelity	Command and losses
Portable Network Graphics	ImageMagick	Lossless	`convert in.orf out.png` Pixels kept; some metadata, colour profiles or layers may be dropped.
Tagged Image File Format	ImageMagick	Lossless	`convert in.orf out.tif` Pixels kept; some metadata, colour profiles or layers may be dropped.
GIF 89a	ImageMagick	Lossy	`convert in.orf out.gif` Reduced to 256 colours.
JPEG File Interchange Format 1.02	ImageMagick	Lossy	`convert in.orf out.jpg` Lossy compression.
WebP	ImageMagick	Lossy	`convert in.orf out.webp` Lossy compression.

Sources

From Converters (FFmpeg, ImageMagick, Pandoc, LibreOffice), Just Solve the File Format Problem (File Formats Wiki), PRONOM, Wikidata. Updated 2026-10-24.

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