TIFF Tag Reference, Extension TIFF Tags

Extension TIFF tags are those tags listed as part of TIFF features that may not be supported by all TIFF readers, according to the TIFF specification.

Code		Name	Short description
Dec	Hex	Name	Short description
269	010D	DocumentName	The name of the document from which this image was scanned.
285	011D	PageName	The name of the page from which this image was scanned.
286	011E	XPosition	X position of the image.
287	011F	YPosition	Y position of the image.
292	0124	T4Options	Options for Group 3 Fax compression
293	0125	T6Options	Options for Group 4 Fax compression
297	0129	PageNumber	The page number of the page from which this image was scanned.
301	012D	TransferFunction	Describes a transfer function for the image in tabular style.
317	013D	Predictor	A mathematical operator that is applied to the image data before an encoding scheme is applied.
318	013E	WhitePoint	The chromaticity of the white point of the image.
319	013F	PrimaryChromaticities	The chromaticities of the primaries of the image.
321	0141	HalftoneHints	Conveys to the halftone function the range of gray levels within a colorimetrically-specified image that should retain tonal detail.
322	0142	TileWidth	The tile width in pixels. This is the number of columns in each tile.
323	0143	TileLength	The tile length (height) in pixels. This is the number of rows in each tile.
324	0144	TileOffsets	For each tile, the byte offset of that tile, as compressed and stored on disk.
325	0145	TileByteCounts	For each tile, the number of (compressed) bytes in that tile.
326	0146	BadFaxLines	Used in the TIFF-F standard, denotes the number of 'bad' scan lines encountered by the facsimile device.
327	0147	CleanFaxData	Used in the TIFF-F standard, indicates if 'bad' lines encountered during reception are stored in the data, or if 'bad' lines have been replaced by the receiver.
328	0148	ConsecutiveBadFaxLines	Used in the TIFF-F standard, denotes the maximum number of consecutive 'bad' scanlines received.
330	014A	SubIFDs	Offset to child IFDs.
332	014C	InkSet	The set of inks used in a separated (PhotometricInterpretation=5) image.
333	014D	InkNames	The name of each ink used in a separated image.
334	014E	NumberOfInks	The number of inks.
336	0150	DotRange	The component values that correspond to a 0% dot and 100% dot.
337	0151	TargetPrinter	A description of the printing environment for which this separation is intended.
339	0153	SampleFormat	Specifies how to interpret each data sample in a pixel.
340	0154	SMinSampleValue	Specifies the minimum sample value.
341	0155	SMaxSampleValue	Specifies the maximum sample value.
342	0156	TransferRange	Expands the range of the TransferFunction.
343	0157	ClipPath	Mirrors the essentials of PostScript's path creation functionality.
344	0158	XClipPathUnits	The number of units that span the width of the image, in terms of integer ClipPath coordinates.
345	0159	YClipPathUnits	The number of units that span the height of the image, in terms of integer ClipPath coordinates.
346	015A	Indexed	Aims to broaden the support for indexed images to include support for any color space.
347	015B	JPEGTables	JPEG quantization and/or Huffman tables.
351	015F	OPIProxy	OPI-related.
400	0190	GlobalParametersIFD	Used in the TIFF-FX standard to point to an IFD containing tags that are globally applicable to the complete TIFF file.
401	0191	ProfileType	Used in the TIFF-FX standard, denotes the type of data stored in this file or IFD.
402	0192	FaxProfile	Used in the TIFF-FX standard, denotes the 'profile' that applies to this file.
403	0193	CodingMethods	Used in the TIFF-FX standard, indicates which coding methods are used in the file.
404	0194	VersionYear	Used in the TIFF-FX standard, denotes the year of the standard specified by the FaxProfile field.
405	0195	ModeNumber	Used in the TIFF-FX standard, denotes the mode of the standard specified by the FaxProfile field.
433	01B1	Decode	Used in the TIFF-F and TIFF-FX standards, holds information about the ITULAB (PhotometricInterpretation = 10) encoding.
434	01B2	DefaultImageColor	Defined in the Mixed Raster Content part of RFC 2301, is the default color needed in areas where no image is available.
512	0200	JPEGProc	Old-style JPEG compression field. TechNote2 invalidates this part of the specification.
513	0201	JPEGInterchangeFormat	Old-style JPEG compression field. TechNote2 invalidates this part of the specification.
514	0202	JPEGInterchangeFormatLength	Old-style JPEG compression field. TechNote2 invalidates this part of the specification.
515	0203	JPEGRestartInterval	Old-style JPEG compression field. TechNote2 invalidates this part of the specification.
517	0205	JPEGLosslessPredictors	Old-style JPEG compression field. TechNote2 invalidates this part of the specification.
518	0206	JPEGPointTransforms	Old-style JPEG compression field. TechNote2 invalidates this part of the specification.
519	0207	JPEGQTables	Old-style JPEG compression field. TechNote2 invalidates this part of the specification.
520	0208	JPEGDCTables	Old-style JPEG compression field. TechNote2 invalidates this part of the specification.
521	0209	JPEGACTables	Old-style JPEG compression field. TechNote2 invalidates this part of the specification.
529	0211	YCbCrCoefficients	The transformation from RGB to YCbCr image data.
530	0212	YCbCrSubSampling	Specifies the subsampling factors used for the chrominance components of a YCbCr image.
531	0213	YCbCrPositioning	Specifies the positioning of subsampled chrominance components relative to luminance samples.
532	0214	ReferenceBlackWhite	Specifies a pair of headroom and footroom image data values (codes) for each pixel component.
559	022F	StripRowCounts	Defined in the Mixed Raster Content part of RFC 2301, used to replace RowsPerStrip for IFDs with variable-sized strips.
700	02BC	XMP	XML packet containing XMP metadata
32781	800D	ImageID	OPI-related.
34732	87AC	ImageLayer	Defined in the Mixed Raster Content part of RFC 2301, used to denote the particular function of this Image in the mixed raster scheme.