Portable Bitmap Image - ASCII

Writable

image

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Identify it

Extensions	`.pbm.pnm`
MIME types	`image/x-portable-bitmapimage/x-portable-anymap`
Signatures	`5031` at byte 0 (Portable Bitmap Image - ASCII)
PRONOM	`x-fmt/164`
Wikidata	`Q28206671`

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Open it

GIMPOpen sourcereads and writes · GNU General Public License, version 3.0
ImageMagickOpen sourcereads and writes · ImageMagick License
PLplotOpen sourcewrites · GNU Library General Public License, version 2.0 or later
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
ExifToolOpen sourcereads · Artistic License / GNU General Public License, version 1.0 or later
MayaViOpen sourcereads · BSD licenses
ConverseenOpen sourcereads · GNU General Public License, version 3.0
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
Hijaak Digital Photo Studioreads and writes
IrfanViewreads and writes · freeware
PaintShop Photo Pro X3reads 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
ABViewerreads
Image Alchemyreads
Kakadureads
MediaRich Serverreads
PaintShop Pro X6 Ultimatereads
Photopeareads
PicaJetreads · freeware
PuriFilereads
Q122522973reads
VideoStudio X7reads

Convert it

To	With	Fidelity	Command and losses
Portable Network Graphics	ImageMagick	Lossless	`convert in.pbm out.png` Pixels kept; some metadata, colour profiles or layers may be dropped.
Tagged Image File Format	ImageMagick	Lossless	`convert in.pbm out.tif` Pixels kept; some metadata, colour profiles or layers may be dropped.
GIF 89a	ImageMagick	Lossy	`convert in.pbm out.gif` Reduced to 256 colours.
JPEG File Interchange Format 1.02	ImageMagick	Lossy	`convert in.pbm out.jpg` Lossy compression.
WebP	ImageMagick	Lossy	`convert in.pbm out.webp` Lossy compression.

Sources

From Converters (FFmpeg, ImageMagick, Pandoc, LibreOffice), PRONOM, Wikidata. Updated 2026-10-20.

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