PPM
A Netpbm raster format for full-color RGB images, available in plain-text and binary forms and commonly used as a simple interchange format in image-processing tools.
General information
- Format name
- Portable Pixmap
- Extension
.ppm- MIME type
image/x-portable-pixmap- Category
- image
- Data type
- Binary And Text
Image properties
- Structure
- Raster
- Compression
- Uncompressed
- Transparency
- No
- Animation
- No
File signatures
| Offset | Hexadecimal | ASCII | Description |
|---|---|---|---|
| 0 | 50 33 | P3 | Magic number for the plain-text PPM representation. |
| 0 | 50 36 | P6 | Magic number for the binary PPM representation. |
Common uses
RGB images
Image-processing pipelines
Format conversion
Graphics testing
Unix imaging tools
Related formats
Technical resources
| Resource | Publisher | Link |
|---|---|---|
| PPM Format Specification | Netpbm | Open resource ↗ |
Record information
- Verified
- October 4, 2026
- Last updated
- October 4, 2026