Bulk PGM to PNM Converter Online — Free HD Quality
Drag and drop your multiple PGM files into this 100% free online PGM to PNM converter (.pgm to .pnm), and click the Convert button to bulk convert them to PNM format in HD quality. Use the quality slider to fine-tune your PNM output, then download your converted files one by one or as a single ZIP — no signup and no downloads needed, and your original PGM files are removed from our servers right after. Also see:How to convert SGI to JPG online?.
Drop your PGM files here to convert to PNM, or click to browse
Converts .pgm to PNM (.pnm) in HD quality — bulk, free, no signup
Choose FilesPGM vs PNM — File Format Comparison
See how PGM and PNM compare across file extension, MIME type, compression, and feature support. Related:How to batch convert PGM to PAM?.
| Feature | PGM | PNM |
|---|---|---|
| File Extension | .pgm | .pnm |
| MIME Type | image/x-portable-graymap | image/x-portable-anymap |
| Compression Type | Lossless | Lossless |
| Transparency Support | No | No |
| Animation Support | No | No |
| Metadata Support | Yes | Yes |
What Is PGM Format?
Portable Graymap format for grayscale images. See also:PGM to RAS converter - no registration.
- Compression: Lossless
- Transparency: Not supported
- Animation: Not supported
What Is PNM Format?
Portable Anymap format, generic Netpbm format.
- Compression: Lossless
- Transparency: Not supported
- Animation: Not supported