Bulk PNG to SGI Converter Online — Free HD Quality
Drag and drop your multiple PNG files into this free online PNG to SGI converter (.png 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 — your original PNG files are removed from our servers right after.
To:
85%
Drop images here or click to browse
PNG, JPG, WebP, GIF, HEIC, RAW, PSD, SVG and more
Max 100MB per file
PNG vs SGI — File Format Comparison
| Feature | PNG | SGI |
|---|---|---|
| File Extension | .png | .sgi |
| MIME Type | image/png | image/sgi |
| Compression Type | Lossless | Lossless |
| Transparency Support | Yes | Yes |
| Animation Support | No | No |
| Metadata Support | Yes | Yes |
What Is PNG Format?
Portable Network Graphics with lossless compression and transparency.
- Compression: Lossless
- Transparency: Supported
- Animation: Not supported
What Is SGI Format?
Silicon Graphics Image format.
- Compression: Lossless
- Transparency: Supported
- Animation: Not supported
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