## GIF Tags

This table lists information extracted from GIF images. See http://www.w3.org/Graphics/GIF/spec-gif89a.txt for the official GIF89a specification.

> Tag Name | Writable | Values / Notes
> --- | --- | ---
> AnimationExtension | - | --> GIF Animate Tags
> Comment | Y |
> Duration | N | (duration of a single animation iteration)
> FrameCount | N | (number of animated images)
> GIFVersion | N |
> ScreenDescriptor | - | --> GIF Screen Tags
> Text | N | (text displayed in image)
> XMPExtension | - | --> XMP Tags

## GIF Animate Tags

Information extracted from the "NETSCAPE2.0" animation extension.

> Index | Tag Name | Writable | Values / Notes
> --- | --- | --- | ---
> 2 | AnimationIterations | N |

## GIF Screen Tags

Information extracted from the GIF logical screen descriptor.

> Index | Tag Name | Writable | Values / Notes
> --- | --- | --- | ---
> 0 | ImageWidth | N |
> 2 | ImageHeight | N |
> 4.1 | HasColorMap | N | [Mask 0x80] 0x0 = No 0x80 = Yes
> 4.2 | ColorResolutionDepth | N | [Mask 0x70]
> 4.3 | BitsPerPixel | N | [Mask 0x07]
> 5 | BackgroundColor | N |

(This document generated automatically by Image::ExifTool::BuildTagLookup)
Last revised Dec 10, 2009

<-- ExifTool Tag Names