Convert CR2 to DNG Online
Canon-proprietary format that requires camera-specific profiles; newer Canon cameras use CR3 instead. Converting to DNG gives you a key advantage: open, documented format designed as a universal raw standard — immune to any single camera manufacturer discontinuing support. DNG is best for archiving raw photos in a universal, vendor-neutral format that ensures long-term accessibility.
Why Convert CR2 to DNG?
Canon-proprietary format that requires camera-specific profiles; newer Canon cameras use CR3 instead — converting to DNG overcomes this by providing open, documented format designed as a universal raw standard — immune to any single camera manufacturer discontinuing support
DNG is the right choice when you need to: archiving raw photo libraries in a format guaranteed to be readable for decades
Gain broader compatibility — DNG works with Adobe Lightroom, Camera Raw, Photoshop, darktable, RawTherapee, and most raw processors
Your CR2 files were created for converting canon raw files to the universal dng archive format, but now you need a format suited to different workflows
CR2 vs DNG — Format Comparison
Canon Raw Image Version 2 (.cr2)
Digital Negative (.dng)
How to Convert CR2 to DNG
Upload your CR2 file
Drag your .cr2 file onto the upload area or click to browse. We accept CR2 files up to 200 MB.
Choose DNG as output format
Select .dng (Digital Negative) from the format list. Configure any format-specific settings to match your requirements.
Convert and download
Click Convert and wait for processing. Your DNG file will be ready to download in seconds. The result is optimized for archiving raw photos in a universal, vendor-neutral format that ensures long-term accessibility.
Frequently Asked Questions
Is the CR2 to DNG conversion lossless?
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When both formats support lossless data, the conversion preserves all content. Full raw sensor data with embedded previews, XMP metadata, and optional lossy compression.
How large will my DNG file be compared to the original CR2?
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CR2 files are typically 20 MB – 40 MB, while DNG files are typically 15 MB – 60 MB. The actual size depends on content complexity and any quality settings you choose.
What software can open the converted DNG file?
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DNG is compatible with: Adobe Lightroom, Camera Raw, Photoshop, darktable, RawTherapee, and most raw processors.
What is the maximum file size I can convert?
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PureConverter accepts CR2 files up to 200 MB. Your files are processed securely and deleted from our servers after conversion.
What's the difference between CR2 and DNG?
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CR2 (Canon Raw Image Version 2) is best for processing photos from canon dslr cameras with full sensor data fidelity. DNG (Digital Negative) is best for archiving raw photos in a universal, vendor-neutral format that ensures long-term accessibility. Key tradeoff: CR2's advantage is preserves canon's full 14-bit sensor data with proprietary color science for accurate canon color rendering, while DNG's advantage is open, documented format designed as a universal raw standard — immune to any single camera manufacturer discontinuing support.
Pro Tips for CR2 to DNG Conversion
Review the output DNG file to ensure all formatting and content transferred correctly from your CR2 source
If your CR2 file has transparency, make sure DNG supports it — DNG supports transparency
DNG works especially well for: distributing raw sample images that any raw processor can open regardless of camera brand
Did you know? Adobe published the DNG specification royalty-free and even embedded a TIFF-based structure that ensures DNG files can be partially read by any TIFF-aware software, even without DNG support.
Ready to Convert?
Upload your CR2 file above and get your DNG in seconds. Free, fast, and secure.