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Imaging / TIFF / TIFF Tag Reference / Extension Tags

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.

CodeNameShort description
DecHex
269010DDocumentNameThe name of the document from which this image was scanned.
285011DPageNameThe name of the page from which this image was scanned.
286011EXPositionX position of the image.
287011FYPositionY position of the image.
2920124T4OptionsOptions for Group 3 Fax compression
2930125T6OptionsOptions for Group 4 Fax compression
2970129PageNumberThe page number of the page from which this image was scanned.
301012DTransferFunctionDescribes 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.
318013EWhitePointThe chromaticity of the white point of the image.
319013FPrimaryChromaticitiesThe 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.
3220142TileWidthThe tile width in pixels. This is the number of columns in each tile.
3230143TileLengthThe tile length (height) in pixels. This is the number of rows in each tile.
3240144TileOffsetsFor each tile, the byte offset of that tile, as compressed and stored on disk.
3250145TileByteCountsFor 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TIFF-F standard, indicates if 'bad' lines encountered during reception are stored in the data, or if 'bad' lines have been replaced by the receiver.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.
330014ASubIFDsOffset to child IFDs.
332014CInkSetThe set of inks used in a separated (PhotometricInterpretation=5) image.
333014DInkNamesThe name of each ink used in a separated image.
334014ENumberOfInksThe number of inks.
3360150DotRangeThe component values that correspond to a 0% dot and 100% dot.
3370151TargetPrinterA description of the printing environment for which this separation is intended.
3390153SampleFormatSpecifies how to interpret each data sample in a pixel.
3400154SMinSampleValueSpecifies the minimum sample value.
3410155SMaxSampleValueSpecifies the maximum sample value.
3420156TransferRangeExpands the range of the TransferFunction.
3430157ClipPathMirrors 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.
346015AIndexedAims to broaden the support for indexed images to include support for any color space.
347015BJPEGTablesJPEG quantization and/or Huffman tables.
351015FOPIProxyOPI-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.
4010191ProfileTypeUsed in the TIFF-FX standard, denotes the type of data stored in this file or IFD.
4020192FaxProfileUsed in the TIFF-FX standard, denotes the 'profile' that applies to this file.
4030193CodingMethodsUsed 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.
5120200JPEGProcOld-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.
5190207JPEGQTablesOld-style JPEG compression field. TechNote2 invalidates this part of the specification.
5200208JPEGDCTablesOld-style JPEG compression field. TechNote2 invalidates this part of the specification.
5210209JPEGACTablesOld-style JPEG compression field. TechNote2 invalidates this part of the specification.
5290211YCbCrCoefficientsThe 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.
70002BCXMPXML packet containing XMP metadata
32781800DImageIDOPI-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.