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