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Pricing Blog

PNG to ORF

Looking to convert PNG to ORF? Here's the honest answer — and what works instead.

You can't convert PNG to ORF. ORF is a camera's own RAW format — it only ever comes out of the camera.

Why PNG to ORF isn't possible

1

ORF is Olympus's in-camera RAW

ORF is the raw sensor data a Olympus camera writes at the moment of capture. It's produced by the camera's own hardware and firmware — software can read it, but nothing can manufacture a genuine ORF from a finished PNG.

2

A PNG has already been processed

Your PNG is a developed, final image. The extra sensor information a ORF carries — wider dynamic range, full color depth, untouched highlights — was discarded when the photo was first saved, and can't be put back.

3

It is locked to one camera maker

ORF is proprietary to Olympus. Even other RAW formats (NEF, ARW, RAF…) aren't interchangeable with it — there is no universal "save as RAW" that produces a real ORF.

The RAW formats — and where they come from

Every real RAW file is one of these camera-maker-specific formats, written by the camera itself:

DNGDigital NegativeAdobeCR2Canon Raw v2CanonCR3Canon Raw v3CanonARWSony Alpha RawSonyNEFNikon Electronic FormatNikonRAFFuji RawFujifilmRW2Panasonic RawPanasonicORFOlympus Raw FormatOlympusPEFPentax Electronic FilePentaxSR2Sony Raw 2SonyX3FSigma RawSigma3FRHasselblad RawHasselbladCRWCanon Raw (legacy)CanonNRWNikon Coolpix RawNikonK25Kodak DC25 RawKodakKDCKodak Digital Camera RawKodakDCRKodak Professional RawKodakMRWMinolta RawMinoltaSRFSony Raw (early)SonyERFEpson RawEpsonMEFMamiya RawMamiyaMOSLeaf RawLeafIIQPhase One RawPhase OneRWLLeica RawLeicaFFFHasselblad Flexible FileHasselblad

What you can do instead

Convert PNG to TIFF

Lossless and uncompressed — ideal for editing, archiving and print.

PNG → TIFF

Convert PNG to JPG

A small, universal photo format that opens everywhere.

PNG → JPG

Convert PNG to WEBP

A modern format with small files at high quality for the web.

PNG → WEBP

Already have Olympus RAW?

Convert your ORF and other camera RAW files to JPG, PNG or TIFF.

Open the converter
Private — never stored Fast & secure Unlimited & free

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Format details

PNG is a lossless raster format with full transparency. It keeps every pixel intact, making it ideal for logos, icons, screenshots and graphics with sharp edges.

Full namePortable Network Graphics
Developed byPNG Development Group
Released1996
Extension.png
MIME typeimage/png
TransparencyYes

PNG opens in every browser and image viewer, plus Photoshop, GIMP, Preview and Photos.

ORF is Olympus/OM System’s raw photo format from OM-D and PEN cameras.

Full nameOlympus Raw Format
Developed byOlympus
Released2003
Extension.orf
MIME typeimage/x-olympus-orf
TransparencyNo

ORF opens in Lightroom, Capture One and OM Workspace.

Frequently asked questions

No. ORF stores the raw signal a Olympus sensor recorded at capture. A PNG is a finished image with that data already baked in and discarded — there's nothing for a converter to reconstruct.

RAW formats like ORF give maximum editing latitude — but only when they come straight from the camera. Converting a PNG to ORF would just wrap a finished image in a RAW container, with none of the benefits.

DNG is an open RAW container. You can convert a camera's own RAW (including ORF) into DNG, but you still can't turn a regular PNG into ORF or any real RAW.

PNG converts cleanly to PNG, JPG, TIFF and WEBP — free, no sign-up, no watermark.

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Image ConverterPNG to JPGHEIC to JPGWEBP to PNGResize ImageCrop ImagePNG to WEBPImage Compressor