code_dec,code_hex,name,short_description,type,url,libtiff_name,c_type,count,default
254,00FE,NewSubfileType,A general indication of the kind of data contained in this subfile.,baseline,https://www.awaresystems.be/imaging/tiff/tifftags/newsubfiletype.html,TIFFTAG_SUBFILETYPE,LONG,1,0
255,00FF,SubfileType,A general indication of the kind of data contained in this subfile.,baseline,https://www.awaresystems.be/imaging/tiff/tifftags/subfiletype.html,TIFFTAG_OSUBFILETYPE,SHORT,1,None
256,0100,ImageWidth,"The number of columns in the image, i.e., the number of pixels per row.",baseline,https://www.awaresystems.be/imaging/tiff/tifftags/imagewidth.html,TIFFTAG_IMAGEWIDTH,SHORT or LONG,1,None
257,0101,ImageLength,The number of rows of pixels in the image.,baseline,https://www.awaresystems.be/imaging/tiff/tifftags/imagelength.html,TIFFTAG_IMAGELENGTH,SHORT or LONG,1,None
258,0102,BitsPerSample,Number of bits per component.,baseline,https://www.awaresystems.be/imaging/tiff/tifftags/bitspersample.html,TIFFTAG_BITSPERSAMPLE,SHORT,N = SamplesPerPixel,1
259,0103,Compression,Compression scheme used on the image data.,baseline,https://www.awaresystems.be/imaging/tiff/tifftags/compression.html,TIFFTAG_COMPRESSION,SHORT,1,1 (No compression)
262,0106,PhotometricInterpretation,The color space of the image data.,baseline,https://www.awaresystems.be/imaging/tiff/tifftags/photometricinterpretation.html,TIFFTAG_PHOTOMETRIC,SHORT,1,None
263,0107,Threshholding,"For black and white TIFF files that represent shades of gray, the technique used to convert from gray to black and white pixels.",baseline,https://www.awaresystems.be/imaging/tiff/tifftags/threshholding.html,TIFFTAG_THRESHHOLDING,SHORT,1,1 (No dithering)
264,0108,CellWidth,The width of the dithering or halftoning matrix used to create a dithered or halftoned bilevel file.,baseline,https://www.awaresystems.be/imaging/tiff/tifftags/cellwidth.html,TIFFTAG_CELLWIDTH,SHORT,1,None
265,0109,CellLength,The length of the dithering or halftoning matrix used to create a dithered or halftoned bilevel file.,baseline,https://www.awaresystems.be/imaging/tiff/tifftags/celllength.html,TIFFTAG_CELLLENGTH,SHORT,1,None
266,010A,FillOrder,The logical order of bits within a byte.,baseline,https://www.awaresystems.be/imaging/tiff/tifftags/fillorder.html,TIFFTAG_FILLORDER,SHORT,1,1 (lower column values in higher order bits)
270,010E,ImageDescription,A string that describes the subject of the image.,baseline,https://www.awaresystems.be/imaging/tiff/tifftags/imagedescription.html,TIFFTAG_IMAGEDESCRIPTION,ASCII,N,None
271,010F,Make,The scanner manufacturer.,baseline,https://www.awaresystems.be/imaging/tiff/tifftags/make.html,TIFFTAG_MAKE,ASCII,N,None
272,0110,Model,The scanner model name or number.,baseline,https://www.awaresystems.be/imaging/tiff/tifftags/model.html,TIFFTAG_MODEL,ASCII,N,None
273,0111,StripOffsets,"For each strip, the byte offset of that strip.",baseline,https://www.awaresystems.be/imaging/tiff/tifftags/stripoffsets.html,TIFFTAG_STRIPOFFSETS,SHORT or LONG,N = StripsPerImage for PlanarConfiguration equal to 1; N = SamplesPerPixel * StripsPerImage for PlanarConfiguration equal to 2,None
274,0112,Orientation,The orientation of the image with respect to the rows and columns.,baseline,https://www.awaresystems.be/imaging/tiff/tifftags/orientation.html,TIFFTAG_ORIENTATION,SHORT,1,1
277,0115,SamplesPerPixel,The number of components per pixel.,baseline,https://www.awaresystems.be/imaging/tiff/tifftags/samplesperpixel.html,TIFFTAG_SAMPLESPERPIXEL,SHORT,1,1
278,0116,RowsPerStrip,The number of rows per strip.,baseline,https://www.awaresystems.be/imaging/tiff/tifftags/rowsperstrip.html,TIFFTAG_ROWSPERSTRIP,SHORT or LONG,1,2**32 - 1
279,0117,StripByteCounts,"For each strip, the number of bytes in the strip after compression.",baseline,https://www.awaresystems.be/imaging/tiff/tifftags/stripbytecounts.html,TIFFTAG_STRIPBYTECOUNTS,SHORT or LONG,N = StripsPerImage for PlanarConfiguration equal to 1; N = SamplesPerPixel * StripsPerImage for PlanarConfiguration equal to 2,None
280,0118,MinSampleValue,The minimum component value used.,baseline,https://www.awaresystems.be/imaging/tiff/tifftags/minsamplevalue.html,TIFFTAG_MINSAMPLEVALUE,SHORT,N = SamplesPerPixel,0
281,0119,MaxSampleValue,The maximum component value used.,baseline,https://www.awaresystems.be/imaging/tiff/tifftags/maxsamplevalue.html,TIFFTAG_MAXSAMPLEVALUE,SHORT,N = SamplesPerPixel,2**(BitsPerSample) - 1
282,011A,XResolution,The number of pixels per ResolutionUnit in the ImageWidth direction.,baseline,https://www.awaresystems.be/imaging/tiff/tifftags/xresolution.html,TIFFTAG_XRESOLUTION,RATIONAL,1,None
283,011B,YResolution,The number of pixels per ResolutionUnit in the ImageLength direction.,baseline,https://www.awaresystems.be/imaging/tiff/tifftags/yresolution.html,TIFFTAG_YRESOLUTION,RATIONAL,1,None
284,011C,PlanarConfiguration,How the components of each pixel are stored.,baseline,https://www.awaresystems.be/imaging/tiff/tifftags/planarconfiguration.html,TIFFTAG_PLANARCONFIG,SHORT,1,1 (Chunky)
288,0120,FreeOffsets,"For each string of contiguous unused bytes in a TIFF file, the byte offset of the string.",baseline,https://www.awaresystems.be/imaging/tiff/tifftags/freeoffsets.html,TIFFTAG_FREEOFFSETS,LONG,N,None
289,0121,FreeByteCounts,"For each string of contiguous unused bytes in a TIFF file, the number of bytes in the string.",baseline,https://www.awaresystems.be/imaging/tiff/tifftags/freebytecounts.html,TIFFTAG_FREEBYTECOUNTS,LONG,N,None
290,0122,GrayResponseUnit,The precision of the information contained in the GrayResponseCurve.,baseline,https://www.awaresystems.be/imaging/tiff/tifftags/grayresponseunit.html,TIFFTAG_GRAYRESPONSEUNIT,SHORT,1,2 (hundredths of a unit)
291,0123,GrayResponseCurve,"For grayscale data, the optical density of each possible pixel value.",baseline,https://www.awaresystems.be/imaging/tiff/tifftags/grayresponsecurve.html,TIFFTAG_GRAYRESPONSECURVE,SHORT,2**BitsPerSample,None
296,0128,ResolutionUnit,The unit of measurement for XResolution and YResolution.,baseline,https://www.awaresystems.be/imaging/tiff/tifftags/resolutionunit.html,TIFFTAG_RESOLUTIONUNIT,SHORT,1,2 (Inch)
305,0131,Software,Name and version number of the software package(s) used to create the image.,baseline,https://www.awaresystems.be/imaging/tiff/tifftags/software.html,TIFFTAG_SOFTWARE,ASCII,N,None
306,0132,DateTime,Date and time of image creation.,baseline,https://www.awaresystems.be/imaging/tiff/tifftags/datetime.html,TIFFTAG_DATETIME,ASCII,20,None
315,013B,Artist,Person who created the image.,baseline,https://www.awaresystems.be/imaging/tiff/tifftags/artist.html,TIFFTAG_ARTIST,ASCII,N,None
316,013C,HostComputer,The computer and/or operating system in use at the time of image creation.,baseline,https://www.awaresystems.be/imaging/tiff/tifftags/hostcomputer.html,TIFFTAG_HOSTCOMPUTER,ASCII,N,None
320,0140,ColorMap,A color map for palette color images.,baseline,https://www.awaresystems.be/imaging/tiff/tifftags/colormap.html,TIFFTAG_COLORMAP,SHORT,3 * (2**BitsPerSample),None
338,0152,ExtraSamples,Description of extra components.,baseline,https://www.awaresystems.be/imaging/tiff/tifftags/extrasamples.html,TIFFTAG_EXTRASAMPLES,SHORT,N,None
33432,8298,Copyright,Copyright notice.,baseline,https://www.awaresystems.be/imaging/tiff/tifftags/copyright.html,TIFFTAG_COPYRIGHT,ASCII,N,None
269,010D,DocumentName,The name of the.document from which this image was scanned.,extension,https://www.awaresystems.be/imaging/tiff/tifftags/documentname.html,TIFFTAG_DOCUMENTNAME,ASCII,N,None
285,011D,PageName,The name of the page from which this image was scanned.,extension,https://www.awaresystems.be/imaging/tiff/tifftags/pagename.html,TIFFTAG_PAGENAME,ASCII,N,None
286,011E,XPosition,X position of the image.,extension,https://www.awaresystems.be/imaging/tiff/tifftags/xposition.html,TIFFTAG_XPOSITION,RATIONAL,1,None
287,011F,YPosition,Y position of the image.,extension,https://www.awaresystems.be/imaging/tiff/tifftags/yposition.html,TIFFTAG_YPOSITION,RATIONAL,1,None
292,0124,T4Options,Options for Group 3 Fax compression,extension,https://www.awaresystems.be/imaging/tiff/tifftags/t4options.html,TIFFTAG_GROUP3OPTIONS,LONG,1,0 (basic 1-dimensional coding)
293,0125,T6Options,Options for Group 4 Fax compression,extension,https://www.awaresystems.be/imaging/tiff/tifftags/t6options.html,TIFFTAG_GROUP4OPTIONS,LONG,1,0
297,0129,PageNumber,The page number of the page from which this image was scanned.,extension,https://www.awaresystems.be/imaging/tiff/tifftags/pagenumber.html,TIFFTAG_PAGENUMBER,SHORT,2,None
301,012D,TransferFunction,Describes a transfer function for the image in tabular style.,extension,https://www.awaresystems.be/imaging/tiff/tifftags/transferfunction.html,TIFFTAG_TRANSFERFUNCTION,SHORT,(1 or 3) * (1 << BitsPerSample),A single table corresponding to the NTSC standard gamma value of 2.2.
317,013D,Predictor,A mathematical operator that is applied to the image data before an encoding scheme is applied.,extension,https://www.awaresystems.be/imaging/tiff/tifftags/predictor.html,TIFFTAG_PREDICTOR,SHORT,1,1 (no prediction)
318,013E,WhitePoint,The chromaticity of the white point of the image.,extension,https://www.awaresystems.be/imaging/tiff/tifftags/whitepoint.html,TIFFTAG_WHITEPOINT,RATIONAL,2,None
319,013F,PrimaryChromaticities,The chromaticities of the primaries of the image.,extension,https://www.awaresystems.be/imaging/tiff/tifftags/primarychromaticities.html,TIFFTAG_PRIMARYCHROMATICITIES,RATIONAL,6,None
321,0141,HalftoneHints,Conveys to the halftone function the range of gray levels within a colorimetrically-specified image that should retain tonal detail.,extension,https://www.awaresystems.be/imaging/tiff/tifftags/halftonehints.html,TIFFTAG_HALFTONEHINTS,SHORT,2,None
322,0142,TileWidth,The tile width in pixels. This is the number of columns in each tile.,extension,https://www.awaresystems.be/imaging/tiff/tifftags/tilewidth.html,TIFFTAG_TILEWIDTH,SHORT or LONG,1,None
323,0143,TileLength,The tile length (height) in pixels. This is the number of rows in each tile.,extension,https://www.awaresystems.be/imaging/tiff/tifftags/tilelength.html,TIFFTAG_TILELENGTH,SHORT or LONG,1,None
324,0144,TileOffsets,"For each tile, the byte offset of that tile, as compressed and stored on disk.",extension,https://www.awaresystems.be/imaging/tiff/tifftags/tileoffsets.html,TIFFTAG_TILEOFFSETS,LONG,N = TilesPerImage for PlanarConfiguration = 1;  N = SamplesPerPixel * TilesPerImage for PlanarConfiguration = 2,None
325,0145,TileByteCounts,"For each tile, the number of (compressed) bytes in that tile.",extension,https://www.awaresystems.be/imaging/tiff/tifftags/tilebytecounts.html,TIFFTAG_TILEBYTECOUNTS,SHORT or LONG,N = TilesPerImage for PlanarConfiguration = 1;  N = SamplesPerPixel * TilesPerImage for PlanarConfiguration = 2,None
326,0146,BadFaxLines,"Used in the TIFF-F standard, denotes the number of 'bad' scan lines encountered by the facsimile device.",extension,https://www.awaresystems.be/imaging/tiff/tifftags/badfaxlines.html,TIFFTAG_BADFAXLINES,SHORT or LONG,1,None
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.",extension,https://www.awaresystems.be/imaging/tiff/tifftags/cleanfaxdata.html,TIFFTAG_CLEANFAXDATA,SHORT,1,None
328,0148,ConsecutiveBadFaxLines,"Used in the TIFF-F standard, denotes the maximum number of consecutive 'bad' scanlines received.",extension,https://www.awaresystems.be/imaging/tiff/tifftags/consecutivebadfaxlines.html,TIFFTAG_CONSECUTIVEBADFAXLINES,SHORT or LONG,1,None
330,014A,SubIFDs,Offset to child IFDs.,extension,https://www.awaresystems.be/imaging/tiff/tifftags/subifds.html,TIFFTAG_SUBIFD,LONG or IFD,N = number of child IFDs,None
332,014C,InkSet,The set of inks used in a separated (PhotometricInterpretation=5) image.,extension,https://www.awaresystems.be/imaging/tiff/tifftags/inkset.html,TIFFTAG_INKSET,SHORT,1,1 (CMYK)
333,014D,InkNames,The name of each ink used in a separated image.,extension,https://www.awaresystems.be/imaging/tiff/tifftags/inknames.html,TIFFTAG_INKNAMES,ASCII,"N = total number of characters in all the ink name strings, including the NULs",None
334,014E,NumberOfInks,The number of inks.,extension,https://www.awaresystems.be/imaging/tiff/tifftags/numberofinks.html,TIFFTAG_NUMBEROFINKS,SHORT,1,4
336,0150,DotRange,The component values that correspond to a 0% dot and 100% dot.,extension,https://www.awaresystems.be/imaging/tiff/tifftags/dotrange.html,TIFFTAG_DOTRANGE,BYTE or SHORT,"2, or 2*SamplesPerPixel","[0,2**BitsPerSample-1]"
337,0151,TargetPrinter,A description of the printing environment for which this separation is intended.,extension,https://www.awaresystems.be/imaging/tiff/tifftags/targetprinter.html,TIFFTAG_TARGETPRINTER,ASCII,N,None
339,0153,SampleFormat,Specifies how to interpret each data sample in a pixel.,extension,https://www.awaresystems.be/imaging/tiff/tifftags/sampleformat.html,TIFFTAG_SAMPLEFORMAT,SHORT,N = SamplesPerPixel,1 (unsigned integer data)
340,0154,SMinSampleValue,Specifies the minimum sample value.,extension,https://www.awaresystems.be/imaging/tiff/tifftags/sminsamplevalue.html,TIFFTAG_SMINSAMPLEVALUE,BYTE or SHORT or LONG or RATIONAL or DOUBLE,N = SamplesPerPixel,The minimum of the data type.
341,0155,SMaxSampleValue,Specifies the maximum sample value.,extension,https://www.awaresystems.be/imaging/tiff/tifftags/smaxsamplevalue.html,TIFFTAG_SMAXSAMPLEVALUE,BYTE or SHORT or LONG or RATIONAL or DOUBLE,N = SamplesPerPixel,The maximum of the data type.
342,0156,TransferRange,Expands the range of the TransferFunction.,extension,https://www.awaresystems.be/imaging/tiff/tifftags/transferrange.html,NA,SHORT,6,
343,0157,ClipPath,Mirrors the essentials of PostScript's path creation functionality.,extension,https://www.awaresystems.be/imaging/tiff/tifftags/clippath.html,NA,BYTE,N,None
344,0158,XClipPathUnits,"The number of units that span the width of the image, in terms of integer ClipPath coordinates.",extension,https://www.awaresystems.be/imaging/tiff/tifftags/xclippathunits.html,NA,LONG,1,None
345,0159,YClipPathUnits,"The number of units that span the height of the image, in terms of integer ClipPath coordinates.",extension,https://www.awaresystems.be/imaging/tiff/tifftags/yclippathunits.html,NA,LONG,1,Equal to XClipPathUnits
346,015A,Indexed,Aims to broaden the support for indexed images to include support for any color space.,extension,https://www.awaresystems.be/imaging/tiff/tifftags/indexed.html,NA,SHORT,1,0 (not indexed)
347,015B,JPEGTables,JPEG quantization and/or Huffman tables.,extension,https://www.awaresystems.be/imaging/tiff/tifftags/jpegtables.html,TIFFTAG_JPEGTABLES,UNDEFINED,N = number of bytes in tables datastream,None
351,015F,OPIProxy,OPI-related.,extension,https://www.awaresystems.be/imaging/tiff/tifftags/opiproxy.html,NA,SHORT,1,0
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.,extension,https://www.awaresystems.be/imaging/tiff/tifftags/globalparametersifd.html,NA,LONG or IFD,1,None
401,0191,ProfileType,"Used in the TIFF-FX standard, denotes the type of data stored in this file or IFD.",extension,https://www.awaresystems.be/imaging/tiff/tifftags/profiletype.html,NA,LONG,1,None
402,0192,FaxProfile,"Used in the TIFF-FX standard, denotes the 'profile' that applies to this file.",extension,https://www.awaresystems.be/imaging/tiff/tifftags/faxprofile.html,NA,BYTE,1,None
403,0193,CodingMethods,"Used in the TIFF-FX standard, indicates which coding methods are used in the file.",extension,https://www.awaresystems.be/imaging/tiff/tifftags/codingmethods.html,NA,LONG,1,None
404,0194,VersionYear,"Used in the TIFF-FX standard, denotes the year of the standard specified by the FaxProfile field.",extension,https://www.awaresystems.be/imaging/tiff/tifftags/versionyear.html,NA,BYTE,4,None
405,0195,ModeNumber,"Used in the TIFF-FX standard, denotes the mode of the standard specified by the FaxProfile field.",extension,https://www.awaresystems.be/imaging/tiff/tifftags/modenumber.html,NA,BYTE,1,None
433,01B1,Decode,"Used in the TIFF-F and TIFF-FX standards, holds information about the ITULAB (PhotometricInterpretation = 10) encoding.",extension,https://www.awaresystems.be/imaging/tiff/tifftags/decode.html,NA,SRATIONAL,"2 * SamplesPerPixel (= 6, for ITULAB)",See Description
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.",extension,https://www.awaresystems.be/imaging/tiff/tifftags/defaultimagecolor.html,NA,SHORT,SamplesPerPixel,"For the Foreground layer image, the default value is black. For other cases, including the Background layer image, the default value is white."
512,0200,JPEGProc,Old-style JPEG compression field. TechNote2 invalidates this part of the specification.,extension,https://www.awaresystems.be/imaging/tiff/tifftags/jpegproc.html,TIFFTAG_JPEGPROC,SHORT,1,"None according to specification, though we do recommend using 1 (baseline sequential) as a default in readers"
513,0201,JPEGInterchangeFormat,Old-style JPEG compression field. TechNote2 invalidates this part of the specification.,extension,https://www.awaresystems.be/imaging/tiff/tifftags/jpeginterchangeformat.html,TIFFTAG_JPEGIFOFFSET,LONG,1,None
514,0202,JPEGInterchangeFormatLength,Old-style JPEG compression field. TechNote2 invalidates this part of the specification.,extension,https://www.awaresystems.be/imaging/tiff/tifftags/jpeginterchangeformatlength.html,TIFFTAG_JPEGIFBYTECOUNT,LONG,1,None
515,0203,JPEGRestartInterval,Old-style JPEG compression field. TechNote2 invalidates this part of the specification.,extension,https://www.awaresystems.be/imaging/tiff/tifftags/jpegrestartinterval.html,TIFFTAG_JPEGRESTARTINTERVAL,SHORT,1,
517,0205,JPEGLosslessPredictors,Old-style JPEG compression field. TechNote2 invalidates this part of the specification.,extension,https://www.awaresystems.be/imaging/tiff/tifftags/jpeglosslesspredictors.html,TIFFTAG_JPEGLOSSLESSPREDICTORS,SHORT,N = SamplesPerPixel,
518,0206,JPEGPointTransforms,Old-style JPEG compression field. TechNote2 invalidates this part of the specification.,extension,https://www.awaresystems.be/imaging/tiff/tifftags/jpegpointtransforms.html,TIFFTAG_JPEGPOINTTRANSFORM,SHORT,N = SamplesPerPixel,
519,0207,JPEGQTables,Old-style JPEG compression field. TechNote2 invalidates this part of the specification.,extension,https://www.awaresystems.be/imaging/tiff/tifftags/jpegqtables.html,TIFFTAG_JPEGQTABLES,LONG,N = SamplesPerPixel,None
520,0208,JPEGDCTables,Old-style JPEG compression field. TechNote2 invalidates this part of the specification.,extension,https://www.awaresystems.be/imaging/tiff/tifftags/jpegdctables.html,TIFFTAG_JPEGDCTABLES,LONG,N = SamplesPerPixel,
521,0209,JPEGACTables,Old-style JPEG compression field. TechNote2 invalidates this part of the specification.,extension,https://www.awaresystems.be/imaging/tiff/tifftags/jpegactables.html,TIFFTAG_JPEGACTABLES,LONG,N = SamplesPerPixel,
529,0211,YCbCrCoefficients,The transformation from RGB to YCbCr image data.,extension,https://www.awaresystems.be/imaging/tiff/tifftags/ycbcrcoefficients.html,TIFFTAG_YCBCRCOEFFICIENTS,RATIONAL,3,"299/1000, 587/1000 and 114/1000"
530,0212,YCbCrSubSampling,Specifies the subsampling factors used for the chrominance components of a YCbCr image.,extension,https://www.awaresystems.be/imaging/tiff/tifftags/ycbcrsubsampling.html,TIFFTAG_YCBCRSUBSAMPLING,SHORT,2,"[2,2]"
531,0213,YCbCrPositioning,Specifies the positioning of subsampled chrominance components relative to luminance samples.,extension,https://www.awaresystems.be/imaging/tiff/tifftags/ycbcrpositioning.html,TIFFTAG_YCBCRPOSITIONING,SHORT,1,1 (centered)
532,0214,ReferenceBlackWhite,Specifies a pair of headroom and footroom image data values (codes) for each pixel component.,extension,https://www.awaresystems.be/imaging/tiff/tifftags/referenceblackwhite.html,TIFFTAG_REFERENCEBLACKWHITE,RATIONAL,6,
559,022F,StripRowCounts,"Defined in the Mixed Raster Content part of RFC 2301, used to replace RowsPerStrip for IFDs with variable-sized strips.",extension,https://www.awaresystems.be/imaging/tiff/tifftags/striprowcounts.html,NA,LONG,number of strips,None
700,02BC,XMP,XML packet containing XMP metadata,extension,https://www.awaresystems.be/imaging/tiff/tifftags/xmp.html,TIFFTAG_XMLPACKET,BYTE,N,None
32781,800D,ImageID,OPI-related.,extension,https://www.awaresystems.be/imaging/tiff/tifftags/imageid.html,NA,ASCII,N,None
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.",extension,https://www.awaresystems.be/imaging/tiff/tifftags/imagelayer.html,NA,SHORT or LONG,2,None
