100% Free No Upload Bulk Conversion

Bulk PNG to DNG Converter — Free, No Upload

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

PNG DNG · ZIP

Bulk PNG → DNG Converter

Select files, convert, download ZIP — all locally

Drop PNG files here or click to browse

Supports batch selection — convert hundreds of files

PNG → DNG ZIP

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

Why convert PNG to DNG?

Have you ever tried using a PNG image on a platform that doesn't support it? That's frustrating. By converting to DNG, you get a universally compatible lossless RAW file that works everywhere. This conversion processes your files entirely in your browser using WebAssembly – no upload, no server, no privacy concerns. Perfect for sensitive or large batches.

Transparent areas will be filled with white background

Technical comparison: PNG vs DNG

Property	PNG	DNG
Full name	Portable Network Graphics	Digital Negative
Compression	Lossless	Lossless RAW
Color depth	48-bit	16-bit per channel
Transparency	Yes	No
Web support	Yes	No
Developed by	PNG Development Group (1996)	Adobe (2004)
Best for	Web graphics with transparency	Universal RAW — open standard by Adobe

How to use — 3 simple steps

Select your PNG files

Drag & drop or click to choose multiple PNG 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.

Popular use cases for PNG → DNG

Web developers optimizing image assets – convert PNG to DNG for faster page loads

Graphic designers preparing files for clients who don't have PNG-compatible software

Photographers transitioning from RAW (PNG) to a web-ready format (DNG)

Anyone building a website and wanting the best performance/quality balance (DNG)

💡 Pro tips

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

Frequently Asked Questions

Typically 60-90% smaller for lossy DNG, or 20-40% for lossless DNG compared to uncompressed PNG.

DNG is supported by all modern browsers (Chrome, Firefox, Safari, Edge) if web_support is true. Check caniuse.com otherwise.

Only the first frame of animated GIF will be converted to DNG. For animation, use GIF or WebP.

DNG supports transparency? If yes, preserved. If not, transparent areas become white/black. Use PNG for transparency.

Bulk PNG to DNG Converter — Free, No Upload

Why convert PNG to DNG?

Technical comparison: PNG vs DNG

How to use — 3 simple steps

Popular use cases for PNG → DNG

💡 Pro tips

Frequently Asked Questions

How much smaller will my PNG file become after converting to DNG?

Which browsers support DNG images?

Can I convert animated PNG files?

What happens to transparent areas when converting PNG to DNG?

Other conversions from PNG

Convert other formats to DNG