.CR3 File Extension
Raw unprocessed camera sensor data format created by Canon EOS digital cameras.
image/x-canon-cr3
00 00 00 18 66 74 79 70 63 72 78 33 (ftypcrx3)
Format Architecture & Technical Specifications
CR3 is Canon's raw camera image format introduced with the DIGIC 8 image processor. It contains uncompressed or compressed raw sensor sensor pixel matrix data alongside EXIF metadata and embedded JPEG previews.
How to Open .CR3 Files
1 Canon Official Software
Download free Canon DPP from Canon support website.
2 Adobe Lightroom
Import CR3 files into Lightroom CC or Photoshop Camera Raw plugin.
Compatible Software Programs
Canon Digital Photo Professional
windows, mac • Free
Adobe Camera Raw / Lightroom
windows, mac • Commercial
Darktable RAW Developer
windows, mac, linux • Free
Security Considerations & Verification
Raw camera photo container. Zero security threat.
- Extract embedded JPEG preview thumbnail if CR3 sensor matrix chunk is corrupted.
Frequently Asked Questions
What is a .CR3 file?
A .CR3 file is a Canon RAW Version 3 Image associated with Images. Raw unprocessed camera sensor data format created by Canon EOS digital cameras.
How do I open a .CR3 file on Windows or Mac?
You can open .CR3 files using Canon Digital Photo Professional, Adobe Camera Raw / Lightroom, Darktable RAW Developer. If you do not have native software installed, you can use AnyFileX's free File Identifier or convert .CR3 to a standard format in your browser.
Is a .CR3 file safe to open?
This format carries a safety rating of Low Risk. Raw camera photo container. Zero security threat.
Can I convert a .CR3 file to other formats?
Yes! .CR3 can be converted to formats such as .JPG, .DNG directly in your web browser.
What should I do if a .CR3 file is corrupted or won't open?
If your .CR3 file displays an invalid header or signature error, check its magic bytes hex header (00 00 00 18 66 74 79 70 63 72 78 33 (ftypcrx3)) using AnyFileX's Magic Byte Detector or follow our step-by-step file repair guide.