Digital Negative
Digital Negative (DNG) is an open, lossless raw image format developed by Adobe and used for digital photography. It was launched on September 27, 2004. The launch was accompanied by the first version of the DNG specification, 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.
| Filename extension |
.dng & .DNG |
|---|---|
| Internet media type | image/x-adobe-dng, image/x-raw-adobe, image/DNG |
| Developed by | Adobe Systems |
| Initial release | September 27, 2004 |
| Latest release | 1.7.1.0 September 2023 |
| Type of format | Raw image format |
| Container for | Metadata may be embedded in XMP, Exif or IPTC formats. |
| Extended from | TIFF/EP |
| Open format? | Yes |
| Website | helpx |
DNG is based on the TIFF/EP standard format, and mandates significant use of metadata. Use of the file format is royalty-free and not subject to any known intellectual property restrictions or patents.
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