Nokia Picture Message
Unknownimage
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.
Identify it
| Extensions | .npm |
|---|---|
| MIME types | application/octet-stream |
| Signatures | 4e504d at byte 0 (Nokia Picture Message) |
| PRONOM | fmt/1896 |
| Wikidata | Q28205564 |
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From Just Solve the File Format Problem (File Formats Wiki), PRONOM, Wikidata. Updated 2026-10-24.