Editing Digital Negative (section)

{{short description|Open, lossless raw image format written by Adobe used for digital photography}}
{{For|the informal use of "digital negative"|raw image format}}
{{Infobox file format
| name          = Digital Negative (DNG)
| icon          = DNG tm.svg
| logo          = 
| screenshot    = 
| caption       = 
| extension     = .dng & .DNG
| mime          = 
| type code     = 
| uniform type  = 
| magic         = 
| owner         = [[Adobe Systems]]
| released      = {{start date and age|2004|09|27}}
| latest release version = 1.7.1.0
| latest release date = {{start date and age|2023|09}}
| genre         = [[Raw image format]]
| container for = [[Metadata]] may be embedded in [[Extensible Metadata Platform|XMP]], [[Exif]] or [[IPTC Information Interchange Model|IPTC]] formats.
| contained by  = 
| extended from = [[Tag Image File Format / Electronic Photography|TIFF/EP]]
| extended to   = 
| standard      = 
| open          = Yes
| url           = {{URL|https://helpx.adobe.com/photoshop/digital-negative.html}}
}}
'''Digital Negative''' ('''DNG''') is an [[Open format|open]], [[lossless]] [[raw image format]] developed by [[Adobe Systems|Adobe]] and used for [[digital photography]]. It was launched on September 27, 2004.<ref name = "adobe2004">{{cite press release | publisher = [[Adobe Systems]] | date = September 27, 2004 | title = Adobe Unifies Raw Photo Formats with Introduction of Digital Negative Specification | url = https://www.adobe.com/aboutadobe/pressroom/pressreleases/200409/092704DNG.html | access-date = August 20, 2014 | archive-url = https://web.archive.org/web/20140821073133/https://www.adobe.com/aboutadobe/pressroom/pressreleases/200409/092704DNG.html | archive-date = August 21, 2014 | url-status = dead }}</ref> The launch was accompanied by the first version of the DNG specification,<ref name = "DNGspecification">{{Citation | publisher = Adobe | url = https://helpx.adobe.com/content/dam/help/en/camera-raw/digital-negative/jcr_content/root/content/flex/items/position/position-par/download_section_733958301/download-1/DNG_Spec_1_7_1_0.pdf | title = Digital Negative (DNG) Specification }}.</ref> plus various products, including a free-of-charge DNG converter utility. All Adobe [[photo manipulation]] software (such as [[Adobe Photoshop]] and [[Adobe Lightroom]]) released since the launch supports DNG.<ref name = "PEARSONadobeproducts">{{Citation | first = Barry | last = Pearson | url = http://www.barrypearson.co.uk/articles/dng/products_adobe.htm | title = Adobe products that support DNG | place = [[United Kingdom|UK]] | access-date = 2009-09-20 | archive-date = 2023-05-14 | archive-url = https://web.archive.org/web/20230514072423/http://www.barrypearson.co.uk/articles/dng/products_adobe.htm | url-status = dead }}.</ref>

DNG is based on the [[Tag Image File Format / Electronic Photography|TIFF/EP]] [[Open standard|standard format]], and mandates significant use of [[metadata (computing)|metadata]]. The specification of the file format is open and not subject to any intellectual property restrictions or patents.<ref name = "CinemaDNGnoencumbrance">{{Citation | publisher = Adobe Labs | contribution-url=http://labs.adobe.com/technologies/cinemadng/fileformat.html | title = CinemaDNG | contribution = File Format|date=2009|archive-url=https://web.archive.org/web/20120403032538/http://labs.adobe.com/technologies/cinemadng/fileformat.html|archive-date=2012-04-03}}.</ref>