JFIF Tags

The following information is extracted from the JPEG JFIF header. See https://www.w3.org/Graphics/JPEG/jfif3.pdf for the JFIF 1.02 specification.

Index1Tag Name WritableValues / Notes
0 JFIFVersion no:  
2 ResolutionUnit int8u: 0 = None
1 = inches
2 = cm
3 XResolution int16u:  
5 YResolution int16u:  
7 ThumbnailWidth no  
8 ThumbnailHeight no  
9 ThumbnailTIFF no (raw RGB thumbnail data, extracted as a TIFF image)

JFIF Extension Tags

Tag IDTag Name WritableValues / Notes
0x0010 ThumbnailImage no (JPEG-format thumbnail image)
0x0011 ThumbnailTIFF no (raw palette-color thumbnail data, extracted as a TIFF image)
0x0013 ThumbnailTIFF no (raw RGB thumbnail data, extracted as a TIFF image)

(This document generated automatically by Image::ExifTool::BuildTagLookup)
Last revised Jul 19, 2017

<-- ExifTool Tag Names