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PDB
Portable Database
Portable Database (PDB) is a file format used to store data in a structured way, typically used by databases, contact managers, and e-book readers.
Main usage
PDB is used to store data in a structured way, typically used by databases, contact managers, and e-book readers.
- Data storage
- Structured data
- Compact size
Main features
PPM
Portable Pixmap
Portable Pixmap (PPM) is an image file format used to store and transfer bitmap images. It is a lowest common denominator color image file format that is supported by virtually all image-manipulation programs.
Main usage
PPM is commonly used for storing and transferring images on the internet, as well as for creating and editing images in image-editing programs.
- RGB color model
- 8-bit color depth
- lossless compression