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IMAGE

PGM Raw to ORF Converter — Free, Online, No Signup

Convert PGM Raw files to ORF online with no signup required.

Reverse conversion

PGM Raw at a glance

PGM Raw

The raw PGM branch reflects the practical evolution of Netpbm-style tool formats: keep the tiny header and easy parsing, but move the pixel raster into a binary form that is much more usable for real data sizes.

ORF at a glance

ORF

ORF belongs to the long Olympus digital-camera story, especially in the Four Thirds and Micro Four Thirds eras where portability and serious editing often coexisted.

Format comparison

Feature
PGM Raw
ORF
File type

Image

Image

Extensions
  • .pgm

  • .orf

MIME type
  • image/x-portable-graymap

  • image/orf

Created year

1988

2003

Inventor

Jef Poskanzer

Olympus (now OM System)

Status

active

proprietary

Transparency

Not supported

Not supported

Animation

Not supported

Not supported

Primary use cases
  • capture ingest

  • editing

  • web or print delivery

  • capture ingest

  • editing

  • web or print delivery

Layer support

Not supported

Not supported

Vector scaling

Not supported

Not supported

Camera raw data

Not supported

Supported

HDR support

Not supported

Not supported

Streaming ready

Not supported

Not supported

When to use each format

When to use PGM Raw

  • Your source file is already in PGM Raw.
  • Preserve source expectations before exporting to ORF.
  • PGM Raw is commonly used in image workflows.

When to use ORF

  • Your target workflow expects ORF.
  • Improve delivery compatibility with ORF.
  • ORF is commonly used in image workflows.

FAQs

Why convert PGM Raw to ORF?

Convert to ORF when preserving Olympus camera originals or maintaining compatibility with an Olympus raw-photo workflow.

It is useful for archive masters and non-destructive photographic editing.

What changes when converting PGM Raw to ORF?

This conversion changes how the format behaves in downstream tools and delivery environments.

Moving to ORF adds camera raw data.

What should I review after converting PGM Raw to ORF?

Validate output quality on representative files and confirm the target format behaves correctly in the destination workflow.

Format resources

PGM RawORF

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