RAW Viewer
Open camera RAW files (CR2, NEF, ARW, DNG), free.
About
RAW files store unprocessed sensor data straight from a camera, preserving maximum detail and dynamic range for editing. Void decodes common RAW formats — Canon CR2, Nikon NEF, Sony ARW and Adobe DNG — with hardware acceleration for smooth previews.
Native support
| Environment | Support |
|---|---|
| Chrome / Edge | Not native |
| Firefox | Not native |
| Safari | Not native |
| Windows Explorer | Not native |
How to Open RAW Files on Windows with VoidImageViewer
Understand why it will not open
Windows 10/11 cannot decode camera RAW out of the box: Explorer shows no thumbnail and Photos refuses .cr2, .nef, .arw or .dng files. Vendor codec packs exist in the Microsoft Store, but coverage varies by camera brand.
Open it with VoidImageViewer
Install VoidImageViewer, then double-click the RAW file or right-click it → Open with → Void Image Viewer. Decoding is hardware-accelerated, so high-megapixel files preview without the wait.
Browse a shoot folder
Drag the whole folder from your memory card into the viewer and step through shots with the arrow keys — much faster than opening each file by hand.
Export editable copies
VoidImageViewer previews RAW files; for deep editing, export a JPG or PNG copy from the viewer and continue in your editor of choice.
Why Open RAW Files with VoidImageViewer
Camera RAW support in free software is rare — VoidImageViewer decodes CR2, NEF, ARW and DNG with hardware acceleration, at no cost. It is MIT-licensed open source: no ads, no telemetry, fully offline, and every download is published with a SHA256 checksum you can verify before installing.
Open RAW files
The online preview lets you view the file. To edit, batch-convert, or set it as your default Windows viewer, use the free desktop app.
Frequently asked
Canon CR2/CR3, Nikon NEF, Sony ARW, Adobe DNG and many others are supported.
Windows cannot decode camera RAW out of the box — Explorer shows no thumbnail and Photos declines the file. The quickest free fix is VoidImageViewer: install it, then double-click the .cr2, .nef, .arw or .dng file, or right-click it → Open with.
RAW stores unprocessed sensor data — no contrast, saturation or sharpening has been applied yet, so it naturally looks flatter than the camera’s processed preview. That flatness is the editing headroom that makes RAW valuable.
Yes. It is MIT-licensed open source — free for personal and commercial use with no ads or telemetry. RAW decoding is hardware-accelerated, so high-megapixel files preview smoothly even on modest PCs.
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Instant Format Preview
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RAW · .cr2 / .nef / .arw / .dng