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FormatsSGISGI → OTB
.SGI
.OTB

Convert SGI to OTB

Convert your SGI files to OTB format for free. Drag and drop your file or click to select it.

Accepted files :.sgi.rgb.rgba.bw

Drop your files here

or click to select

Max 25 MB · SGI only

Why convert SGI to OTB?

Fast

Your file is converted in under 30 seconds in our cloud.

Secure

Files are automatically deleted after 1 hour.

Quality preserved

Maximum quality preserved during conversion.

About the SGI format

SGI — Silicon Graphics Image

SGI is the native image format of Silicon Graphics workstations, historically used in VFX, 3D animation, and scientific visualization. It was widespread in film and TV production during the 1990s, appearing in software like IRIX and early versions of Autodesk tools.

Common uses

  • Legacy VFX and 3D animation workflows
  • Converting old SGI workstation image archives
  • Film and television post-production history
  • Scientific visualization image storage

About the OTB format

OTB — On-the-air Bitmap (Nokia)

OTB is a monochrome bitmap format originally used by Nokia feature phones for sending and receiving images over SMS (picture messages). It was a standard format in early mobile phones of the late 1990s and 2000s for simple graphics like logos and ringtone icons.

Common uses

  • Nokia mobile phone picture message images
  • Converting legacy feature phone graphics
  • Historical mobile messaging image recovery
  • Early mobile logo and icon conversion

Frequently asked questions

Is the conversion free?

Yes, basic conversion is completely free. For large volumes, check out our paid plans.

What is the maximum file size?

Free accounts can convert files up to 25 MB. Pro accounts up to 100 MB.

How long are my files kept?

Files are automatically deleted after 1 hour on the free plan, 24 hours on Pro.

What formats are supported?

We support over 200 source and target formats. See our complete formats page.