Bulk PTX to PGM Converter Online — Free HD Quality
Drag and drop your multiple PTX files into this 100% free online PTX to PGM converter (.ptx 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 PTX files are removed from our servers right after. Also see:Process multiple ICO to PDF files.
Drop your PTX files here to convert to PGM, or click to browse
Converts .ptx to PGM (.pgm) in HD quality — bulk, free, no signup
Choose FilesPTX vs PGM — File Format Comparison
See how PTX and PGM compare across file extension, MIME type, compression, and feature support. Related:How to batch convert PTX to DDS?.
| Feature | PTX | PGM |
|---|---|---|
| File Extension | .ptx | .pgm |
| MIME Type | image/x-pentax-ptx | image/x-portable-graymap |
| Compression Type | Lossless | Lossless |
| Transparency Support | No | No |
| Animation Support | No | No |
| Metadata Support | Yes | Yes |
What Is PTX Format?
Pentax RAW format for compact cameras. See also:Bulk convert PTX to PPM.
- Compression: Lossless
- Transparency: Not supported
- Animation: Not supported
What Is PGM Format?
Portable Graymap format for grayscale images.
- Compression: Lossless
- Transparency: Not supported
- Animation: Not supported