wire / magic /
gif
GIF signature (GIF87a / GIF89a) A GIF file begins with a 6-byte header: the ASCII signature 'GIF' followed by a 3-byte version, either '87a' or '89a'. '89a' added transparency, animation, and application extensions.
magic kind signature status de-facto verification verified tier B file-signature@1
aka: GIF magic · GIF87a · GIF89a
file signature magic: 47 49 46 38 39 61⧉ copy @ offset 0
ascii: GIF89a
.gif image/gif
spec: GIF89a specification (CompuServe, 1990)
Two versions exist: 'GIF87a' = 47 49 46 38 37 61, 'GIF89a' = 47 49 46 38 39 61. Bytes 0-2 are the signature 'GIF'; bytes 3-5 are the version '87a' or '89a'. After the 6-byte header comes the 7-byte Logical Screen Descriptor.
agent: curl -H 'accept: application/json' wire.phall.io/magic/gif⧉ copy
or /magic/gif.json ⧉ copy
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