Naïve Image Formats

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File Format
Name Naïve Image Formats
Ontology
Extension(s) .nie, .nii, .nia
MIME Type(s) image/nie, image/nii, image/nia
Released 2018 (draft)

The Naïve Image Formats are a set of simple uncompressed raster image and animation file formats. They are loosely associated with Google's Wuffs programming language. As of 2019-12, the specifications are a work in progress.

The formats are potentially usable as intermediate or "neutral" formats, similar to the Netpbm formats or farbfeld.

There are three formats:

  • NIE - Still image
  • NII - Animated image, out-of-band frames
  • NIA - Animated image, in-band frames

Contents

Identification

All formats begin with bytes 6e c3 af. The next byte is:

  • 0x45 ('E') for NIE
  • 0x49 ('I') for NII
  • 0x41 ('A') for NIA

Specifications

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