Bulk X3F to SGI Converter Online — Free HD Quality

Drag and drop your multiple X3F files into this free online X3F to SGI converter (.x3f 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 X3F 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

X3F vs SGI — File Format Comparison

Feature X3F SGI
File Extension .x3f .sgi
MIME Type image/x-sigma-x3f image/sgi
Compression Type Lossless Lossless
Transparency Support No Yes
Animation Support No No
Metadata Support Yes Yes

What Is X3F Format?

Sigma/Foveon X3 RAW format.

  • Compression: Lossless
  • Transparency: Not supported
  • Animation: Not supported

What Is SGI Format?

Silicon Graphics Image format.

  • Compression: Lossless
  • Transparency: Supported
  • Animation: Not supported