What is the difference between .ppm and .pdb?
- Extension
 - .ppm
 - .pdb
 
- Format
 - Text
 - Binary
 
- Category
 - Raster Image
 - Ebook
 
- Developer
 - Jef Poskanzer
 - Palm
 
- Description
 - A PPM file is a 24-bit color image formatted using a text format. It stores each pixel with a number from 0 to 65536, which specifies the color of the pixel. PPM files also store the image height and width, whitespace data, and the maximum color value.
 - Standard data format used by several different programs on Palm-based PDA devices; may store various types of data, such as eBooks, word processing documents, spreadsheets, databases, maps, and image files.
 
- MIME Type
 - image/x-portable-pixmap
 - application/x-pilot
 
- Sample
 - sample.ppm
 - sample.pdb
 
- Wikipedia
 - .ppm on Wikipedia