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

Drop BMP files here or click to browse

Supports batch selection — convert hundreds of files

BMP → DNG ZIP

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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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