.DNG File Extension

DNG files exist as 3 different types. Please find information about each of them below.

Type 1: Digital Negative Image

Digital Negative (DNG) is an open, lossless raw image format. It was developed by Adobe for digital photography. DNG was launched on September 27, 2004. The launch included the first DNG specification...

General Information

Title DNG File Extension
Extension .dng
Full Form Digital Negative Image
File Type Raw Image File
Developer Adobe Systems
MIME Type image/x-adobe-dng

File Function

Primary Function Store raw image data
Additional Functions Standardize raw files
Features Unprocessed, High-quality

File Characteristics

Quality High
Supports Layers No
Supports Transparency No
Editable Yes

Use Cases

Photography Yes
Archiving Yes
Image Editing Yes

Security and Practices

Security Risks Low
Best Practices Regular backups, Verify sources

Historical/Version Information

Initial Release 2004
Latest Version DNG Specification 1.5.0.0 (2019)

Associated Types

Similar Extensions .cr2, .nef, .arw, .orf

Software Compatibility

Software Usage Policy OS Compatibility
Adobe Photoshop Subscription Windows, Mac
Adobe Lightroom Subscription Windows, Mac, iOS, Android
DNG Converter Free Windows, Mac

Type 2: Apple ProRAW Image

A DNG file stores a RAW digital image. The Apple ProRAW format extends DNG. It supports iPhone photo data. An iPhone 12 captures ProRAW images. Apple released ProRAW in iOS 14.3, December 2020. ProR...

General Information

Title DNG (Apple ProRAW) File Extension
Extension .dng
Full Form Digital Negative
File Type Raw Image File
Developer Adobe Systems, Apple Inc.
MIME Type image/dng

File Function

Primary Function Store image data
Additional Functions Non-destructive editing, Metadata storage
Features High-quality, Versatile, Lossless compression

File Characteristics

Quality High dynamic range
Supports Layers No
Supports Transparency No
Editable Yes, non-destructively

Use Cases

Professional Photography Yes
Graphic Design Yes
Image Archiving Yes

Security and Practices

Security Risks Low
Best Practices Regular backups, Verify source

Historical/Version Information

Initial Release 2004 by Adobe
Adoption by Apple 2020 with iOS 14.3

Associated Types

Similar Extensions .cr2, .nef, .arw, .raf

Software Compatibility

Software Usage Policy OS Compatibility
Adobe Photoshop Subscription Windows, Mac
Adobe Lightroom Subscription Windows, Mac, iOS, Android
Apple Photos Free Mac, iOS

Type 3: Virtual Dongle Image

A dongle is a device used to activate software. It helps protect expensive software from theft. DNG files store keys from physical dongles. They allow backup if a dongle is damaged. The DNG extension ...

General Information

Title DNG File Extension
Extension .dng
Full Form Digital Negative Image File
File Type Raw Image Format
Developer Adobe Systems
MIME Type image/x-adobe-dng

File Function

Primary Function Store raw image data
Additional Functions Archive raw files
Features Unprocessed, High quality

File Characteristics

Quality High resolution
Supports Layers No
Supports Transparency No
Editable Yes

Use Cases

Professional Photography Yes
Image Archiving Yes
Post-Processing Yes

Security and Practices

Security Risks Low
Best Practices Regular backup, Verify source

Historical/Version Information

Initial Release 2004
Latest Update DNG Specification 1.5.0.0

Associated Types

Similar Extensions .raw, .cr2, .nef, .orf

Software Compatibility

Software Usage Policy OS Compatibility
Adobe Photoshop Subscription Windows, Mac
Adobe Lightroom Subscription Windows, Mac
DNG Converter Free Windows, Mac