Camera RAW

What is a DNG file?

Updated Jul 2026

Definition

DNG (Digital Negative) is Adobe's open RAW image format, meant to be a universal container for the unprocessed sensor data a camera captures. It stores the full detail and exposure range of a photo before any in-camera processing, and keeps its metadata intact. The catch is that not every photo tool reads RAW files well, so DNG sometimes needs converting before you can edit or share it.

DNGDigital Negative

Extension: .dng
Type: Camera RAW
Typically: Adobe / universal RAW
Metadata: Carries EXIF

Why DNG exists

Adobe introduced DNG in 2004 to solve a problem camera makers created themselves: every brand had its own proprietary RAW format, and there was no guarantee any of them would still open in software years later. DNG was built as a common RAW format any camera or app could adopt, and some camera makers now save to it directly.

A DNG file holds the raw data straight off the camera's sensor, before sharpening, color balance, or compression get baked in. That means far more room to adjust exposure, white balance, and highlights after the fact than a processed JPG allows, since none of those decisions have been locked in yet.

The tradeoff is size and support. DNG files run much larger than JPGs, and while many photo editors handle them well, plenty of everyday tools, older software, and quick sharing options either can't open RAW files or handle them poorly. That's usually the moment someone needs to convert a DNG to something like JPG or TIFF.

The trade-offs

Strengths

Keeps the full detail and exposure range from the original sensor capture
Lossless, so no image quality is discarded in the file itself
A single documented format instead of each camera brand's own proprietary RAW
Carries full metadata and EXIF, including camera settings

Watch-outs

Much larger files than JPG for the same photo
Not viewable in many everyday apps, browsers, or messaging tools without converting
Editing RAW detail properly still takes more work than a quick JPG edit

A note on privacy

A DNG file carries full EXIF metadata, including camera settings and often the GPS location where the photo was taken. Uploading it to an online converter to get a JPG means that raw sensor data and location history pass through a stranger's server first. Converting it on your own computer keeps the photo, its settings, and where it was taken on your machine the whole time.

Convert a DNG file

Questions

How do I open a DNG file?

Most modern photo editors and many operating systems can preview DNG files directly. If yours can't, converting it to JPG or TIFF will let it open almost anywhere.

Is DNG better than JPG?

For editing flexibility, yes: DNG keeps far more detail and exposure range to work with. For sharing and everyday viewing, JPG is far more widely supported and much smaller.

Why does my camera save photos as DNG?

Some cameras and phone apps offer DNG as a RAW option so photographers get the full sensor data instead of an already-processed JPG. It's usually a setting you can turn off if you'd rather shoot JPG by default.

Can I convert DNG without uploading it?

Yes. A desktop app like Morphjet converts DNG files on your own computer, so the raw image data and its metadata never leave your machine.

Does converting DNG to JPG lose quality?

Some, yes. JPG is a compressed, processed format, so you lose the extra editing headroom DNG holds. For final sharing that's usually fine; for further editing, keep the original DNG around too.

Morphjet opens and converts DNG and 1,800+ other formats, all on your own computer. Launching this July.