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Why convert PNM to PDB?
Fast
Your file is converted in under 30 seconds in our cloud.
Secure
Files are automatically deleted after 1 hour.
Quality preserved
Maximum quality preserved during conversion.
About the PNM format
PNM — Portable Anymap
PNM is a generic designation for any of the Netpbm formats (PBM, PGM, PPM). Many tools accept or produce PNM files that can be any of these three types, auto-detected by the header. It serves as a universal plain-image interchange format.
Common uses
- Generic Netpbm image interchange
- Flexible input for image processing tools
- Command-line and scripting image workflows
- Converting images when type may vary
About the PDB format
PDB — Palm Database ImageViewer
PDB is the Palm OS database format adapted for image storage by the ImageViewer application on Palm handhelds. PDB image files store compressed images for display on Palm PDA screens and are encountered when recovering photos from Palm Pilot and Treo devices.
Common uses
- Recovering Palm PDA ImageViewer photo libraries
- Converting legacy Palm handheld images
- Historical Palm device photo archiving
- Palm OS application development assets
Related conversions
Other conversions available for PNM and PDB files
Frequently asked questions
How do I convert PNM to PDB?
Upload your PNM file above, choose PDB as the output format, then click Convert. Your PDB file is ready to download in seconds — nothing to install, and it works in your browser.
Is the conversion free?
Yes, basic conversion is completely free. For large volumes, check out our paid plans.
What is the maximum file size?
Free accounts can convert files up to 25 MB. Pro accounts up to 100 MB.
How long are my files kept?
Files are automatically deleted after 1 hour on the free plan, 24 hours on Pro.
What formats are supported?
We support over 200 source and target formats. See our complete formats page.
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