Bulk BMP to PNM Converter Online — Free HD Quality
Drag and drop your multiple BMP files into this 100% free online BMP to PNM converter (.bmp 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 BMP files are removed from our servers right after. Also see:Make PTX files into PDF.
Drop your BMP files here to convert to PNM, or click to browse
Converts .bmp to PNM (.pnm) in HD quality — bulk, free, no signup
Choose FilesBMP vs PNM — File Format Comparison
See how BMP and PNM compare across file extension, MIME type, compression, and feature support. Related:Convert BMP to AVIF free.
| Feature | BMP | PNM |
|---|---|---|
| File Extension | .bmp | .pnm |
| MIME Type | image/bmp | image/x-portable-anymap |
| Compression Type | Lossless | Lossless |
| Transparency Support | No | No |
| Animation Support | No | No |
| Metadata Support | Yes | Yes |
What Is BMP Format?
Windows Bitmap format, uncompressed raster images. See also:How to convert BMP to SGI?.
- 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