Image Converter

Convert HEIF to DNG

Wondering about HEIF to DNG? Here's exactly what works, what doesn't, and why.

You can't create a genuine DNG from a finished HEIF — but DNG conversion from camera RAW is real. Here's the full picture.

About converting to DNG

1

DNG stores sensor data your HEIF no longer has

DNG is a RAW container built to hold the unprocessed data straight off a camera sensor. A HEIF is an already-developed image — wrapping it in a DNG can't recreate the dynamic range or color depth it never kept.

2

DNG conversion is real — from camera RAW

Where DNG shines is converting a camera's own RAW (CR2, NEF, ARW…) into the open DNG format for archiving. That's a true conversion; turning a finished HEIF into RAW is not.

DNG is an open container for these camera RAW formats

DNG standardizes the proprietary RAW that cameras produce — these are the formats it replaces or wraps:

Format details

What is a HEIF file?

HEIF is the container standard behind HEIC, offering modern compression, transparency and sequences.

Full name
High Efficiency Image Format
Developed by
MPEG
Released
2015
Extension
.heif
MIME type
image/heif
Transparency
Yes

How to open HEIF opens on Apple devices, Windows 11 and recent editors; convert for older apps.

Full HEIF format guide

What is a DNG file?

DNG is Adobe’s open, universal raw format. It stores unprocessed sensor data in a standardised container any modern editor can open — ideal for archiving photos.

Full name
Digital Negative
Developed by
Adobe
Released
2004
Extension
.dng
MIME type
image/x-adobe-dng
Transparency
No

How to open DNG opens in Lightroom, Photoshop, Camera Raw and most pro photo editors.

Full DNG format guide

What you can do instead

Frequently asked questions

Can I convert HEIF to DNG?
Not meaningfully. DNG holds raw sensor data, which a finished HEIF doesn't contain. DNG conversion makes sense from a camera's own RAW files, not from a processed HEIF.
What is DNG?
DNG (Adobe Digital Negative) is an open, royalty-free RAW format. It stores unprocessed sensor data in a standardized container any modern editor can open — ideal for archiving photos long-term.
Is DNG better than CR2 / NEF / ARW?
DNG isn't higher quality — it's more universal and future-proof. Many photographers convert their proprietary camera RAW to DNG so files stay openable for decades.
What can I convert my HEIF to today?
HEIF converts cleanly to JPG, PNG, TIFF and WEBP right now — free and unlimited.