100% Free No Upload Bulk Conversion

Bulk BMP to DNG Converter — Free, No Upload

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

BMP DNG · ZIP

Bulk BMP → DNG Converter

Select files, convert, download ZIP — all locally

I browser non possono generare in modo affidabile un vero file DNG. Il file scaricato potrebbe non essere un DNG valido.

Drop BMP files here or click to browse

Supports batch selection — convert hundreds of files

BMP → DNG ZIP

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

Why convert BMP to DNG?

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Property	BMP	DNG
Full name	Bitmap Image File	Digital Negative
Compression	Uncompressed	Lossless RAW
Color depth	24-bit	16-bit per channel
Transparency	No	No
Web support	No	No
Developed by	Microsoft (1988)	Adobe (2004)
Max colors	16.7M	281T
MIME type	`image/bmp`	`image/x-adobe-dng`
Category	Raster image	RAW format
Year gap	16 years apart in technical development
Best for	Uncompressed images on Windows	Universal RAW — open standard by Adobe

Select your BMP files

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

Start the conversion

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

Download ZIP archive

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

When you need transparency support – convert from BMP to DNG

To reduce image file size by up to 80% without visible quality loss (BMP → DNG)

For archiving old BMP images in a future‑proof, well‑supported format (DNG)

Bulk processing an entire folder of BMP screenshots to DNG for documentation

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