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