Bulk BMP to PGM Converter Online — Free HD Quality
Drag and drop your multiple BMP files into this 100% free online BMP to PGM converter (.bmp to .pgm), and click the Convert button to bulk convert them to PGM format in HD quality. Use the quality slider to fine-tune your PGM 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:Convert multiple BMP to JPG at once.
Drop your BMP files here to convert to PGM, or click to browse
Converts .bmp to PGM (.pgm) in HD quality — bulk, free, no signup
Choose FilesBMP vs PGM — File Format Comparison
See how BMP and PGM compare across file extension, MIME type, compression, and feature support. Related:Process multiple BMP to PBM files.
| Feature | BMP | PGM |
|---|---|---|
| File Extension | .bmp | .pgm |
| MIME Type | image/bmp | image/x-portable-graymap |
| 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:BMP to WBMP - free, no signup.
- Compression: Lossless
- Transparency: Not supported
- Animation: Not supported
What Is PGM Format?
Portable Graymap format for grayscale images. You might also need:MRW to PAM converter.
- Compression: Lossless
- Transparency: Not supported
- Animation: Not supported