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PGM at a glance
PGM
PBM, PGM, PPM, PNM, and later PAM come from the tool-centric tradition of keeping image interchange formats easy to parse, script, and transform.
TIFF at a glance
TIFF
TIFF emerged in desktop publishing and imaging workflows as a versatile raster format that could carry tags, compression choices, color information, and high-quality scan/print data more gracefully than simpler interchange targets.
Format comparison
| Feature | PGM | TIFF |
|---|---|---|
| File type | Image | Image |
| Extensions |
|
|
| MIME type |
|
|
| Created year | 1988 | 1986 |
| Inventor | Jef Poskanzer / Netpbm lineage | Aldus / Adobe lineage |
| Status | active | active |
| Transparency | Not supported | Not supported |
| Animation | Not supported | Not supported |
| Primary use cases |
|
|
| Layer support | Not supported | 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
- Your source file is already in PGM.
- Preserve source expectations before exporting to TIFF.
- PGM is commonly used in image workflows.
When to use TIFF
- Your target workflow expects TIFF.
- Improve delivery compatibility with TIFF.
- TIFF is commonly used in image workflows.
FAQs
Why convert PGM to TIFF?
Convert to TIFF when you need a high-quality master image for print, scanning, archival storage, retouching, or color-critical delivery.
It is the right target when fidelity and metadata matter more than small file size.
What changes when converting PGM to TIFF?
This conversion changes how the format behaves in downstream tools and delivery environments.
Moving to TIFF adds layer support.
What should I review after converting PGM to TIFF?
Validate output quality on representative files and confirm the target format behaves correctly in the destination workflow.