lookup> .dng

.DNG·File Extension

DNG ImageA .dng file is a DNG Image. It is a raster or vector image format used for photos, web assets and design work.

Extension.dng
File typeDNG Image
CategoryImage
Charset
Compressible

What is a .dng file?

A .dng file is a DNG Image. It is a raster or vector image format used for photos, web assets and design work.

In the mime-db registry it maps to image/x-adobe-dng. When serving .dng over HTTP, set the Content-Type header as shown in Developer info below.

Related entities: it maps to image/x-adobe-dng — and is delivered over HTTP via the Content-Type header.

  • Use Photoshop or GIMP to open and edit .dng files.
  • Any text editor (Notepad, VS Code) can inspect the raw content as text.

When served over HTTP, responses should set the following header:

Content-Type: image/x-adobe-dng

Common software that reads/writes .dng:

PhotoshopGIMPPaintPreview
.dngextension of
format
DNG Imageserved as
mime type
image/x-adobe-dngsent via header
http header
  • Web graphics and photos
  • Design assets and icons
  • Print and photography
  • Open the file with Photoshop, make your changes and save.
  • Most editors preserve the original formatting and encoding — avoid changing the charset.
  • Create a new file and save it with the .dng extension, or export this format from Photoshop.

What programs can open .dng files?

Common options include Photoshop, GIMP, Paint. You can also open many of these files with built-in viewers or a browser.

How do I create a .dng file?

Create a new file in any text editor or the app that owns the format and save it with the .dng extension.

What is the relationship between .dng and the image/x-adobe-dng MIME type?

image/x-adobe-dng is the media type identifier used for .dng files during network transfer (for example in the HTTP Content-Type header).

Updated 2026-08-18

Related extensions

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