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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.
MNG at a glance
MNG
MNG emerged from PNG-adjacent development discussions that wanted something more capable than static PNG, but its complexity limited broad consumer adoption.
Format comparison
| Feature | PGM Raw | MNG |
|---|---|---|
| File type | Image | Image |
| Extensions |
|
|
| MIME type |
|
|
| Created year | 1988 | 2001 |
| Inventor | Jef Poskanzer | PNG / MNG developer community |
| 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 MNG.
- PGM Raw is commonly used in image workflows.
When to use MNG
- Your target workflow expects MNG.
- Improve delivery compatibility with MNG.
- MNG is commonly used in image workflows.
FAQs
Why convert PGM Raw to MNG?
Convert to MNG when preserving historical animated PNG-family assets or interfacing with a niche workflow that still expects it.
In most modern contexts, APNG, WebP, or video are more practical targets.
What changes when converting PGM Raw to MNG?
This conversion changes how the format behaves in downstream tools and delivery environments.
What should I review after converting PGM Raw to MNG?
Validate output quality on representative files and confirm the target format behaves correctly in the destination workflow.