Portable Arbitrary Map

Writable

image

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Identify it

Extensions	`.pam.pnm`
MIME types	`image/x-portable-arbitrarymapimage/x-portable-anymap`
Signatures	`5037` at byte 0 (Portable Any Map)
PRONOM	`fmt/405`
Wikidata	`Q28206714Q28206726`

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Open it

farbfeldOpen sourcewrites · ISC license
ImageMagickOpen sourcereads and writes · ImageMagick License
ImageMagick (WebAssembly)Open sourcereads and writes · Apache-2.0
Visualization ToolkitOpen sourcereads and writes · 3-clause BSD License
DevILOpen sourcereads and writes · GNU Lesser General Public License, version 2.1
GDALOpen sourcereads and writes · MIT License
NetpbmOpen sourcereads and writes · GNU General Public License, version 2.0
OutGuessOpen sourcewrites · 4-clause BSD License
Q141647655Open sourcereads and writes · Apache Software License 2.0 / MIT License
SimThyrOpen sourcewrites · BSD licenses
AbydosOpen sourcereads · GNU Lesser General Public License
ConverseenOpen sourcereads · GNU General Public License, version 3.0
GIMPOpen sourcereads · GNU General Public License, version 3.0
PhotoRecOpen sourcereads · GNU General Public License
F-SpotOpen sourcereads · GNU General Public License / MIT License
GNU OcradOpen sourcereads · GNU General Public License, version 2.0 or later
LibreOffice DrawOpen sourcereads · Mozilla Public License, version 2.0
OpenJPEGOpen sourcereads · 2-clause BSD License
Q130252332Open sourcereads · Apache Software License 2.0 / Creative Commons Attribution 4.0 International / MIT License
VYMOpen sourcereads · GNU General Public License, version 2.0
zgvOpen sourcereads · GNU General Public License
Axialis IconWorkshopreads and writes
GIMP 2.0.2reads and writes
JavaViewwrites
Mathematicareads and writes · proprietary license
PaintShop Pro X4reads and writes
Q122459461writes
Zoner Photo Studioreads and writes
Q108202177reads · proprietary license / shareware
ABViewerreads
Image Alchemyreads
Kakadureads
MediaRich Serverreads
PaintShop Pro X6 Ultimatereads
Photopeareads
PicaJetreads · freeware
PuriFilereads
Q122522973reads
VideoStudio X7reads

Convert it

Convert a file in your browser The steps marked “in browser” run on your machine; nothing is uploaded.

To	With	Fidelity	Command and losses
BMP 5.0	ImageMagick (WebAssembly)	Lossless	in browser Pixels kept; some metadata, colour profiles or layers may be dropped.
PNG	ImageMagick	Lossless	`convert in.pam out.png` Pixels kept; some metadata, colour profiles or layers may be dropped.
PNG	ImageMagick (WebAssembly)	Lossless	in browser Pixels kept; some metadata, colour profiles or layers may be dropped.
Quite OK Image Format	ImageMagick (WebAssembly)	Lossless	in browser Pixels kept; some metadata, colour profiles or layers may be dropped.
TIFF	ImageMagick	Lossless	`convert in.pam out.tif` Pixels kept; some metadata, colour profiles or layers may be dropped.
TIFF	ImageMagick (WebAssembly)	Lossless	in browser Pixels kept; some metadata, colour profiles or layers may be dropped.
PDF	ImageMagick (WebAssembly)	Partial	in browser The image is embedded in a PDF page.
AVIF	ImageMagick (WebAssembly)	Lossy	in browser Lossy compression.
GIF 89a	ImageMagick	Lossy	`convert in.pam out.gif` Reduced to 256 colours.
GIF 89a	ImageMagick (WebAssembly)	Lossy	in browser Reduced to 256 colours.
ICO	ImageMagick (WebAssembly)	Lossy	in browser Icons are limited to 256 × 256 pixels.
JFIF 1.02	ImageMagick	Lossy	`convert in.pam out.jpg` Lossy compression.
JFIF 1.02	ImageMagick (WebAssembly)	Lossy	in browser Lossy compression.
JPEG XL	ImageMagick (WebAssembly)	Lossy	in browser Lossy compression.
WebP	ImageMagick	Lossy	`convert in.pam out.webp` Lossy compression.
WebP	ImageMagick (WebAssembly)	Lossy	in browser Lossy compression.

Sources

From Converters (FFmpeg, ImageMagick, Pandoc, LibreOffice), WebAssembly engines (ImageMagick, FFmpeg, Pandoc, 7-Zip, GDAL, Assimp, resvg), Just Solve the File Format Problem (File Formats Wiki), PRONOM, Wikidata. Updated 2026-10-26.

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