Nokia Picture Message

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== Software ==
 
== Software ==
* [http://netpbm.sourceforge.net/ Netpbm]: pbmtonokia, with "<code>-fmt NPM</code>" option (write-only)
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* [[Netpbm]]: pbmtonokia, with "<code>-fmt NPM</code>" option (write-only)
  
 
== Sample files ==
 
== Sample files ==

Latest revision as of 02:14, 12 June 2015

File Format
Name Nokia Picture Message
Ontology
Extension(s) .npm

Nokia Picture Message (or Nokia Phone Picture Message, NPM) is a bi-level raster image format used by some Nokia phones. NPM images are 72×28 pixels, though the format supports other sizes up to 255×255.

Contents

[edit] Format

Files begin with a header of at least 11 bytes. The header size depends on the size of a variable-length "text message" field.

[edit] Identification

Files begin with the ASCII string "NPM".

[edit] Software

  • Netpbm: pbmtonokia, with "-fmt NPM" option (write-only)

[edit] Sample files

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