## 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.

> Index1 | Tag Name | Writable | Values / Notes
> --- | --- | --- | ---
> 0 | JFIFVersion | no: |
> 2 | ResolutionUnit | int8u: | 0 = None 1 = inches 2 = cm
> 3 | XResolution | int16u: |
> 5 | YResolution | int16u: |

## JFIF Extension Tags

> Tag ID | Tag Name | Writable | Values / Notes
> --- | --- | --- | ---
> 0x0010 | ThumbnailImage | no |

(This document generated automatically by Image::ExifTool::BuildTagLookup)
Last revised Feb 19, 2016

<-- ExifTool Tag Names