Editing TIFF (section)

===TIFF Compression Tag===
The TIFF Tag 259 (0103<sub>16</sub>) stores the information about the Compression method. The default value is 1 = no compression.

Most TIFF writers and TIFF readers support only some TIFF compression schemes. Here are some examples of used TIFF compression schemes:
{|class="wikitable sortable" style="width: 100%"
|+ TIFF Compression Tag<ref name="wfax-packbits" /><ref>{{cite web |url=http://www.awaresystems.be/imaging/tiff/tifftags/compression.html |title=Baseline TIFF Tag Compression |access-date=2011-02-26}}</ref><ref>{{cite web |url=http://www.libtiff.org/support.html |title=LibTIFF - TIFF 6.0 Specification Coverage |access-date=2011-02-28}}</ref><ref>{{cite web|url=http://hul.harvard.edu/jhove/tiff-tags.html |title=JSTOR/Harvard Object Validation Environment - TIFF Compression Schemes |access-date=2011-02-26 |url-status=dead |archive-url=https://web.archive.org/web/20110130161333/http://hul.harvard.edu/jhove/tiff-tags.html |archive-date=January 30, 2011 }}</ref><ref>{{cite web|url=http://hul.harvard.edu/jhove/tiff-hul.html |title=JSTOR/Harvard Object Validation Environment - JHOVE TIFF-hul Module |access-date=2011-02-26 |url-status=dead |archive-url=https://web.archive.org/web/20101210133003/http://hul.harvard.edu/jhove/tiff-hul.html |archive-date=December 10, 2010 }}</ref><ref>{{cite web |url=http://tiki-lounge.com/~raf/tiff/tifffields.html |title=TIFF Fields |access-date=2011-02-27}}</ref><ref>{{cite web |url=http://www.digitalpreservation.gov/formats/content/tiff_tags.shtml |title=Tags for TIFF and Related Specifications |author=Library of Congress Collections |access-date=2011-02-27}}</ref><ref>{{cite web |url=http://docs.gimp.org/en/gimp-images-out.html#file-tiff-save |title=GIMP Documentation - Saving as TIFF |access-date=2011-02-27}}</ref><ref>{{cite web |url=http://www.irfanview.com/history_old.htm |title=IrfanView - History of changes |access-date=2011-02-27}}</ref>
|-
! Tag value
! Compression scheme
! Lossy/<wbr>lossless
! Specification
! Description
! Image types
! Usage and support
|-
| 0001<sub>16</sub> || None || Lossless || TIFF 6.0 || Baseline TIFF || All || {{yes|Common}}<ref>Commonly supported TIFF types can be displayed by image viewers such as [[Irfanview]]</ref>
|-
| 0002<sub>16</sub> || CCITT Group 3 1-Dimensional Modified Huffman run-length encoding (a.k.a. MH or CCITT 1D) || Lossless || TIFF 6.0 || Baseline TIFF; compression based on ITU-T T.4 || Black and white || {{yes|Common}}
|-
| 0003<sub>16</sub> || CCITT T.4 bi-level encoding as specified in section 4, Coding, of [//www.itu.int/rec/T-REC-T.4/en ITU-T Recommendation T.4] (a.k.a. CCITT Group 3 fax encoding or CCITT Group 3 2D) || Lossless || TIFF 6.0 || TIFF 6.0 Extensions; compression based on ITU-T T.4 || Black and white || {{yes|Common}}
|-
| 0004<sub>16</sub> || CCITT T.6 bi-level encoding as specified in section 2 of [//www.itu.int/rec/T-REC-T.6/en ITU-T Recommendation T.6] (a.k.a. [[Group 4 compression|CCITT Group 4 fax encoding]]) || Lossless || TIFF 6.0 || TIFF 6.0 extensions; compression based on ITU-T T.6 || Black and white || {{yes|Common}}
|-
| 0005<sub>16</sub> || [[Lempel–Ziv–Welch]] || Lossless || TIFF 6.0 || TIFF 6.0 Extensions; first defined in TIFF 5 (1988); a patented compression algorithm, but the patents expired in 2003 and 2004 || All || {{yes|Common}}<ref name="succeed">{{cite book|author=Succeed project|year= 2014|title=Recommendations for metadata and data formats for online availability and long-term preservation|url=http://www.succeed-project.eu/sites/default/files/deliverables/Succeed_600555_WP4_D4.1_RecommendationsOnFormatsAndStandards_v1.1.pdf|page=68|quote=If files are actively managed in a digital repository, it is possible to consider using either LZW or ZIP lossless compression for the TIFF files. JPEG compression should not be used within [...] TIFF. [...] Most of the respondents use uncompressed images (64%), if compression is used then LZW is mostly used.}}</ref>
|-
| 0006<sub>16</sub> || JPEG (obsolete 'old-style' JPEG, later superseded in Technote2) || Lossy || TIFF 6.0 || TIFF 6.0 Extensions; first defined in TIFF 6 (1992); obsolete, should never be written. || Continuous-tone || {{no|Rare}}
|-
| 0007<sub>16</sub> || JPEG ('new-style' JPEG) || Lossy || TIFF 6 Technote2 (1995) || supersedes old-style JPEG compression; it is a TIFF 6.0 extension. || Continuous-tone || {{partial|Uncommon}}
|-
| 0008<sub>16</sub> || Deflate (zlib), Adobe variant (official) || Lossless || TIFF Specification Supplement 2 (2002) || RFC 1950 (1996), RFC 1951 (1996), Adobe Photoshop TIFF Technical Notes; it is a TIFF 6.0 extension. || All || {{yes|Common}}
|-
| 0009<sub>16</sub> || JBIG, per [//www.itu.int/rec/T-REC-T.85/en ITU-T T.85] || Lossless || TIFF-FX || RFC 2301 (1998), RFC 3949 (2005) || Black and white || {{no|Rare}}
|-
| 000A<sub>16</sub> || JBIG, per [//www.itu.int/rec/T-REC-T.43/en ITU-T T.43] || Lossless  || TIFF-FX || RFC 2301 (1998), RFC 3949 (2005) || Black and white || {{no|Rare}}
|-
| 7FFE<sub>16</sub> || NeXT RLE 2-bit greyscale encoding ||  || Proprietary ||  ||  || {{no|Rare}}
|-
| 8005<sub>16</sub> || PackBits (a.k.a. Macintosh RLE) || Lossless || TIFF 6.0 || Baseline TIFF || All || {{no|Rare}}<ref name="succeed"/>
|-
| 8029<sub>16</sub> || ThunderScan RLE 4-bit encoding ||  || Proprietary ||  || Black and white || {{no|Rare}}
|-
| 807F<sub>16</sub> || RasterPadding in continuous tone (CT) or monochrome picture (MP) || Lossless || TIFF/IT (1998, 2004) || ISO 12639  ||  || {{no|Rare}}
|-
| 8080<sub>16</sub> || RLE for line work (LW) || Lossless || TIFF/IT (1998, 2004) || ISO 12639 ||  || {{no|Rare}}
|-
| 8081<sub>16</sub> || RLE for high-resolution continuous-tone (HC) || Lossless || TIFF/IT (1998, 2004) || ISO 12639 ||  || {{no|Rare}}
|-
| 8082<sub>16</sub> || RLE for binary line work (BL) || Lossless || TIFF/IT (1998, 2004) || ISO 12639 ||  || {{no|Rare}}
|-
| 80B2<sub>16</sub> || Deflate, PKZIP variant (obsolete) || Lossless || Proprietary || According to TIFF Specification Supplement 2 it should be considered obsolete but reading is recommended || All || {{partial|Uncommon}}
|-
| 80B3<sub>16</sub> || Kodak DCS ||  || Proprietary ||  ||  || {{no|Rare}}
|-
| 8765<sub>16</sub> || JBIG ||  || LibTIFF ||  || Black and white ||  {{no|Rare}}
|-
| 8798<sub>16</sub> || JPEG2000 ||  || Proprietary || Includes a complete JP2 file inside a TIFF file, not recommended.  Introduced by Leadtools.<ref>{{cite web | url=http://www.leadtools.com/sdk/formats/tiff.htm | title=LEADTOOLS TIFF SDK |access-date=2011-07-04 }}</ref>  ||  || {{partial|Uncommon}}
|-
| 8799<sub>16</sub> || Nikon NEF Compressed ||  || Proprietary ||  ||  || {{no|Rare}}
|-
| 879B<sub>16</sub> || [[JBIG2]] || Lossless, lossy || TIFF-FX Extension Set 1.0 || Abandoned IETF draft from 2001<ref>{{cite web | url=https://tools.ietf.org/html/draft-ietf-fax-tiff-fx-extension1-01 | title=Draft-ietf-fax-tiff-fx-extension1-01 }}</ref> ||  || {{no|Rare}}
|-
| 8847<sub>16</sub> || LERC || Lossy || ESRI LERC ||  ||  ||  {{no|Rare}}
|-
| 884C<sub>16</sub><ref name="dngSemanticMasks">{{citation|mode=cs1 |url=https://helpx.adobe.com/content/dam/help/en/photoshop/pdf/DNG_Spec_1_7_1_0.pdf#page=17 |page=17–18 |title=Digital Negative (DNG) Specification |date=September 2023 |version=1.7.1.0 |publisher=[[Adobe Inc]] |section=Semantic Masks}}</ref> || Lossy non-YCbCr JPEG || Lossy || [[Digital Negative|DNG]] 1.4.0.0<ref name="dngCompressionFormats">{{citation|mode=cs1 |url=https://helpx.adobe.com/content/dam/help/en/photoshop/pdf/DNG_Spec_1_7_1_0.pdf#page=20 |page=20–22 |title=Digital Negative (DNG) Specification |date=September 2023 |version=1.7.1.0 |publisher=[[Adobe Inc]] |section=Compression}}</ref> || Used for DNG semantic masks<ref name="dngSemanticMasks"/> and for images in the {{code|LinearRaw}} colorspace; explicitly indicates baseline DCT JPEG compression as opposed to "lossless Huffman JPEG".<ref name="dngCompressionFormats"/> ||  || {{no|Rare}}
|-
| C350<sub>16</sub> || [[zstd|ZSTD]] || Lossless || LibTIFF ||  ||  ||  {{no|Rare}}
|-
| C351<sub>16</sub> || [[WebP]] || Lossless, lossy || LibTIFF ||  ||  ||  {{no|Rare}}
|-
| CD42<sub>16</sub><ref name="dngSemanticMasks"/> || [[JPEG XL]] || Lossless, lossy || DNG 1.7.0.0<ref name="dngCompressionFormats"/> ||  ||  || {{no|Rare}}
|}