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PGM Raw at a glance
PGM Raw
Convert PGM Raw files with ConverterHQ using workflows tuned for image compatibility, predictable output, and practical downstream use.
Category
Image
Extensions
.pgm
MIME types
image/x-portable-graymap
Created
1988
Inventor
Jef Poskanzer
Status
active
XPM at a glance
XPM
Convert XPM files with ConverterHQ using workflows tuned for image compatibility, predictable output, and practical downstream use.
Category
Image
Extensions
.xpm
MIME types
image/x-xpixmap
Created
1989
Inventor
Daniel Dardailler, Colas Nahaboo (Groupe Bull)
Status
legacy
Format comparison
| Feature | PGM Raw | XPM |
|---|---|---|
| File type | Image | Image |
| Extensions |
|
|
| MIME type |
|
|
| Created year | 1988 | 1989 |
| Inventor | Jef Poskanzer | Daniel Dardailler, Colas Nahaboo (Groupe Bull) |
| Status | active | legacy |
| Transparency | Not supported | Not supported |
| Animation | Not supported | Not supported |
| Primary use cases |
|
|
| Layer support | Not supported | Not supported |
| Vector scaling | Not supported | Not supported |
| Camera raw data | Not supported | Not 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 XPM.
- PGM Raw is commonly used in image workflows.
When to use XPM
- Your target workflow expects XPM.
- Improve delivery compatibility with XPM.
- XPM is commonly used in image workflows.
FAQs
Why convert PGM Raw to XPM?
Convert to XPM when maintaining or restoring X11-era icon assets or other historical Unix interface graphics.
It is useful where text-based icon compatibility matters more than modern compression.
What changes when converting PGM Raw to XPM?
This conversion changes how the format behaves in downstream tools and delivery environments.
What should I review after converting PGM Raw to XPM?
Validate output quality on representative files and confirm the target format behaves correctly in the destination workflow.