Nokia Picture Message
From Just Solve the File Format Problem
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== Software == | == Software == | ||
* [[Netpbm]]: pbmtonokia, with "<code>-fmt NPM</code>" option (write-only) | * [[Netpbm]]: pbmtonokia, with "<code>-fmt NPM</code>" option (write-only) | ||
| + | * {{Deark}} | ||
== Sample files == | == Sample files == | ||
Revision as of 13:33, 1 October 2022
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 |
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.
Identification
Files begin with the ASCII string "NPM".
