DNG 1.1

Unknown

raw-photo

The Digital Negative (DNG) Specification describes a non-proprietary file format for storing camera raw files that can be used by a wide range of hardware and software vendors. DNG is an extension of the TIFF format, and is compatible with the TIFF-EP standard. This version was published in February 2005 and corrected the flaws in the first version. It has proved capable of representing raw images for a large variety of cameras (both when written in-camera or via conversion from other raw image formats) for a few years, and it is the version still typically written in-camera.

Identify it

Extensions	`.dng.tif.tiff`
MIME types	`image/dngimage/tiff`
Signatures	`49492a00` at byte 0 (DNG 1.1 (little-endian, BOF)) `4d4d002a` at byte 0 (DNG 1.1 (big-endian, BOF))
PRONOM	`fmt/436fmt/152fmt/437fmt/438fmt/730fmt/1943fmt/1842fmt/1841`
Wikidata	`Q27866059`
Library of Congress	`fdd000188`

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Open it

Listed for the family; check that the software handles this version.

libexiv2Open sourcereads and writes · GNU General Public License, version 2.0 or later
AbydosOpen sourcereads · GNU Lesser General Public License
ConverseenOpen sourcereads · GNU General Public License, version 3.0
dcrawOpen sourcereads · GNU General Public License, version 2.0 / donationware
ExifToolOpen sourcereads · Artistic License / GNU General Public License, version 1.0 or later
F-SpotOpen sourcereads · GNU General Public License / MIT License
GIMPOpen sourcereads · GNU General Public License, version 3.0
ImageMagickOpen sourcereads · ImageMagick License
KritaOpen sourcereads · GNU General Public License, version 3.0
LibRawOpen sourcereads · Common Development and Distribution License version 1.0 / GNU Lesser General Public License, version 2.1
PhotoRecOpen sourcereads · GNU General Public License
Q141647660Open sourcereads · Apache Software License 2.0 / MIT License
UFRawOpen sourcereads · GNU General Public License
Adobe Photoshop Lightroomwrites · shareware
Adobe Photoshop Lightroom 2writes
DJI Zenmuse X3writes
DJI Zenmuse X4Swrites
DJI Zenmuse X5writes
DJI Zenmuse X5Rwrites
Helicon Focuswrites
Pentax MX-1writes
Q111632138writes
Q111632139writes
Q133886275writes
Q133889484writes
Q135902494writes
Q135981992writes
Q138339198writes
Q138752551writes
Q138752552writes
Q138752553writes
Q138773663writes
Q138773675writes
Q138795430writes
Q138795431writes
Q138795432writes
Q138807615writes
Q138807962writes
Q138808106writes
Q138823473writes

And 32 more in the JSON record.

Convert it

To	With	Fidelity	Command and losses
Portable Network Graphics	ImageMagick	Lossless	`convert in.dng out.png` Pixels kept; some metadata, colour profiles or layers may be dropped.
Tagged Image File Format	ImageMagick	Lossless	`convert in.dng out.tif` Pixels kept; some metadata, colour profiles or layers may be dropped.
GIF 89a	ImageMagick	Lossy	`convert in.dng out.gif` Reduced to 256 colours.
JPEG File Interchange Format 1.02	ImageMagick	Lossy	`convert in.dng out.jpg` Lossy compression.
WebP	ImageMagick	Lossy	`convert in.dng out.webp` Lossy compression.

Sources

From Just Solve the File Format Problem (File Formats Wiki), PRONOM, Wikidata. Updated 2026-10-24.

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