Bulk HDR to SGI Converter Online — Free HD Quality
Drag and drop your multiple HDR files into this 100% free online HDR to SGI converter (.hdr 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 HDR files are removed from our servers right after. Also see:Free PSB to PDF converter.
Drop your HDR files here to convert to SGI, or click to browse
Converts .hdr to SGI (.sgi) in HD quality — bulk, free, no signup
Choose FilesHDR vs SGI — File Format Comparison
See how HDR and SGI compare across file extension, MIME type, compression, and feature support. Related:Transform HDR to PGM.
| Feature | HDR | SGI |
|---|---|---|
| File Extension | .hdr | .sgi |
| MIME Type | image/vnd.radiance | image/sgi |
| Compression Type | Lossless | Lossless |
| Transparency Support | No | Yes |
| Animation Support | No | No |
| Metadata Support | Yes | Yes |
What Is HDR Format?
Radiance HDR format for high dynamic range images. See also:How to turn HDR into PBM?.
- Compression: Lossless
- Transparency: Not supported
- Animation: Not supported
What Is SGI Format?
Silicon Graphics Image format.
- Compression: Lossless
- Transparency: Supported
- Animation: Not supported