Bulk PNM to PNG Converter Online — Free HD Quality
Drag and drop your multiple PNM files into this 100% free online PNM to PNG converter (.pnm to .png), and click the Convert button to bulk convert them to PNG format in HD quality. Use the quality slider to fine-tune your PNG 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 PSD to PDF converter.
Drop your PNM files here to convert to PNG, or click to browse
Converts .pnm to PNG (.png) in HD quality — bulk, free, no signup
Choose FilesPNM vs PNG — File Format Comparison
See how PNM and PNG compare across file extension, MIME type, compression, and feature support. Related:Batch PNM to JPG converter.
| Feature | PNM | PNG |
|---|---|---|
| File Extension | .pnm | .png |
| MIME Type | image/x-portable-anymap | image/png |
| 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:Transform KDC to JPG.
- Compression: Lossless
- Transparency: Not supported
- Animation: Not supported
What Is PNG Format?
Portable Network Graphics with lossless compression and transparency. You might also need:Online ERF to SGI converter tool.
- Compression: Lossless
- Transparency: Supported
- Animation: Not supported