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

Comment yes

Duration no (duration of a single animation iteration)

Extensions - --> GIF Extensions Tags

FrameCount no (number of animated images)

GIFVersion no

ScreenDescriptor - --> GIF Screen Tags

Text no (text displayed in image)

TransparentColor no

GIF Extensions Tags

Tags extracted from GIF89a application extensions.

Tag ID Tag Name Writable Values / Notes

'C2PA_GIF/' JUMBF - --> Jpeg2000 Tags

'ICCRGBG1/012' ICC_Profile yes --> ICC_Profile Tags

'MIDICTRL/Jon' MIDIControl - --> GIF MIDIControl Tags

'MIDISONG/Dm7' MIDISong no

'NETSCAPE/2.0' Animation - --> GIF Animation Tags

'XMP Data/XMP' XMP yes --> XMP Tags

GIF MIDIControl Tags

Information extracted from the MIDI control block extension.

Index1 Tag Name Writable Values / Notes

0 MIDIControlVersion no

1 SequenceNumber no

2 MelodicPolyphony no

3 PercussivePolyphony no

4 ChannelUsage no

6 DelayTime no

GIF Animation Tags

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

Index1 Tag Name Writable Values / Notes

1 AnimationIterations no

GIF Screen Tags

Information extracted from the GIF logical screen descriptor.

Index1 Tag Name Writable Values / Notes

0 ImageWidth no

2 ImageHeight no

4.1 HasColorMap no [val >> 7 & 0x1]
0 = No
1 = Yes

4.2 ColorResolutionDepth no [val >> 4 & 0x7]

4.3 BitsPerPixel no [val & 0x7]

5 BackgroundColor no

6 PixelAspectRatio no

(This document generated automatically by Image::ExifTool::BuildTagLookup)
Last revised Nov 8, 2024

<-- ExifTool Tag Names