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IMAGE

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

Convert PGM Raw files to HDR 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.

HDR at a glance

HDR

HDR raster formats became important in rendering and lighting workflows before consumer-facing HDR delivery stories matured in mainstream media formats.

Format comparison

Feature
PGM Raw
HDR
File type

Image

Image

Extensions
  • .pgm

  • .hdr

MIME type
  • image/x-portable-graymap

  • image/vnd.radiance

Created year

1988

1989

Inventor

Jef Poskanzer

Greg Ward

Status

active

active

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

Not supported

HDR support

Not supported

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 HDR.
  • PGM Raw is commonly used in image workflows.

When to use HDR

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

FAQs

Why convert PGM Raw to HDR?

Convert to HDR when you need scene-referred high-dynamic-range image data for rendering, environment lighting, or technical HDR processing.

It is useful for lighting assets and specialized imaging pipelines.

What changes when converting PGM Raw to HDR?

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

Moving to HDR adds HDR content.

What should I review after converting PGM Raw to HDR?

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

Format resources

PGM RawHDR

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