100% Free No Upload Bulk Conversion

Bulk HEIF to DNG Converter — Free, No Upload

Convert multiple HEIF files to DNG instantly — all in your browser. No file limits, no watermarks, and completely private.

HEIF DNG · ZIP

Bulk HEIF → DNG Converter

Select files, convert, download ZIP — all locally

Drop HEIF files here or click to browse

Supports batch selection — convert hundreds of files

HEIF → DNG ZIP

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✓ Conversion completed! All files converted successfully. Click Download ZIP to save them.

Why convert HEIF to DNG?

convert.dynamic_reason.template_7 convert.dynamic_reason_closing.closing_11

Transparent areas will be filled with white background

Property	HEIF	DNG
Full name	High Efficiency Image Format	Digital Negative
Compression	Lossy	Lossless RAW
Color depth	10-bit HDR	16-bit per channel
Transparency	Yes	No
Web support	No	No
Developed by	MPEG Group (2015)	Adobe (2004)
Max colors	1.07B	281T
MIME type	`image/heif`	`image/x-adobe-dng`
Category	Raster image	RAW format
Year gap	11 years apart in technical development
Best for	Apple devices — efficient storage	Universal RAW — open standard by Adobe

Select your HEIF files

Drag & drop or click to choose multiple HEIF images. No file size restrictions.

Start the conversion

Click "Convert to :to" — your files are processed locally using WebAssembly. No upload, no waiting.

Download ZIP archive

All converted DNG files are bundled into a single ZIP. One click, everything saved.

convert.usecases_groups.group_6.0

convert.usecases_groups.group_6.1

convert.usecases_groups.group_6.2

convert.usecases_groups.group_6.3

If your image has transparency, consider converting to PNG instead to preserve it
Use the ZIP download to get all converted files in a single click
All processing is private — files are never uploaded to any server

convert.faq_groups.group_5.0.a

convert.faq_groups.group_5.1.a

convert.faq_groups.group_5.2.a

convert.faq_groups.group_5.3.a