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Vizua

RAW to PNG Converter — Free Online

Private by design — local browser processing

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Supports: CR2, NEF, ARW, DNG, ORF, RAF, RW2, PEF

RAW support varies by camera and file. The decoder may fall back to the embedded preview, so output resolution can be lower than the sensor data.

How to Convert RAW to PNG

Vizua attempts to decode several common camera RAW formats on your device and exports the decoded pixels as PNG. Compatibility varies, and some files use an embedded preview rather than full sensor data.

PNG stores the decoded pixel result without additional lossy compression. That does not mean it reproduces all original sensor data: when an embedded preview is used, its resolution and processing are retained.

Why Choose PNG Over JPG?

JPG uses lossy compression — it discards some image data to achieve smaller file sizes. PNG preserves every pixel exactly as decoded from the RAW file. Choose PNG when quality is more important than file size:

  • Print production — no compression artifacts in large prints
  • Graphic design — clean edges for compositing and layering
  • Archival — lossless preservation of the decoded RAW data
  • Further editing — no generation loss if you re-save later

Supported RAW Formats

  • CR2 — Canon DSLR cameras (EOS 5D, 6D, 7D, Rebel series)
  • NEF — Nikon DSLR and mirrorless (D850, Z6, Z7, Z8, Z9)
  • ARW — Sony Alpha cameras (A7 series, A6000 series, RX100)
  • DNG — Adobe's universal RAW format, used by some phones and drones
  • ORF — Olympus/OM System cameras (OM-1, E-M1, PEN series)
  • RAF — Fujifilm cameras (X-T5, X-H2, X100VI, GFX series)
  • RW2 — Panasonic Lumix cameras (S5 II, GH6, G9 II)
  • PEF — Pentax cameras (K-3 III, K-1 II, KF)

File Size Considerations

PNG files are larger than JPG — typically 3-5x the size. A 24-megapixel RAW file will produce a PNG around 30-50 MB. If you need smaller files for web or email, consider using the RAW to JPG converter instead.

Local File Processing

The selected RAW file is decoded and exported on your device rather than sent to an image-processing server. Browser compatibility, available memory, and the file variant determine whether conversion succeeds.

Frequently Asked Questions

What RAW formats does this converter support?

Vizua attempts CR2, NEF, ARW, DNG, ORF, RAF, RW2, and PEF files. Compatibility varies by camera and file variant, and some files are converted from their embedded preview.

Why convert RAW to PNG instead of JPG?

PNG is a lossless format — it preserves every pixel of detail without compression artifacts. Choose PNG when you need maximum quality for printing, graphic design, or further editing. Choose JPG when file size matters more.

Does my RAW file get uploaded to a server?

No. Vizua uses advanced browser technology to decode RAW files locally on your device. Your photos never leave your computer.

Does PNG support transparency from RAW files?

RAW files don't contain transparency data, so the converted PNG will have a solid background. However, PNG's lossless compression means no quality is lost in the conversion process.

Can I convert multiple RAW files to PNG at once?

Yes — drop several RAW files (even mixed formats from different cameras) and download each PNG individually or as a ZIP archive.