Bulk FITS to SGI Converter Online — Free HD Quality

Drag and drop your multiple FITS files into this free online FITS to SGI converter (.fits 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 FITS 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

FITS vs SGI — File Format Comparison

Feature FITS SGI
File Extension .fits .sgi
MIME Type image/fits image/sgi
Compression Type Lossless Lossless
Transparency Support No Yes
Animation Support No No
Metadata Support Yes Yes

What Is FITS Format?

Flexible Image Transport System for astronomical data.

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

What Is SGI Format?

Silicon Graphics Image format.

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