.CR3 File

.cr3 is Canon Raw 3 Image File

File extension.cr3
File formatCanon RAW image
Compression algorithmLossless
Bit depth12-bit
Color spaceRGB
Image sizeUp to 60 megapixels
Supported camerasCanon EOS R5, EOS R6, EOS RP, EOS Ra, EOS M6 Mark II, EOS-1D X Mark III, EOS 90D, EOS 250D
Software supportCanon Digital Photo Professional, Adobe Photoshop, Lightroom Classic

What is a CR3 File?

A CR3 file is a digital image file that uses the Canon Raw version 3 (CR3) file format. This format is commonly used by Canon digital cameras to store raw, unprocessed image data captured by the camera's sensor. CR3 files retain a higher level of detail and quality compared to compressed image formats like JPEG.

How to Open a CR3 File?

There are a few different ways to open a CR3 file. One way is to use Canon's own software, Digital Photo Professional. Another way is to use a third-party raw image editor, such as Adobe Lightroom or Photoshop. Most photo viewers will also be able to open CR3 files, but they may not be able to edit them in the same way that a raw image editor can.

What software can open CR3 files?

The following software can open CR3 files:

  • Canon Digital Photo Professional
  • Adobe Lightroom
  • Adobe Photoshop
  • Capture One Pro
  • Darktable
  • RawTherapee
  • IrfanView
  • XnView

Difference Between CR2 and CR3 Files

The primary difference between CR2 and CR3 files lies in the image quality and features. CR3 files often use newer compression algorithms, resulting in smaller file sizes without compromising image quality. Additionally, CR3 files may contain more metadata and offer advanced features like in-camera raw processing.

Benefits of Using CR3 Files

Using CR3 files offers several benefits:

  • Higher Image Quality: CR3 files retain more image data, allowing for better post-processing.
  • Flexibility: CR3 files provide more editing possibilities compared to JPEG.
  • Preserved Details: The raw format preserves all captured details, important for professional photographers.

Converting CR3 Files to Other Formats

There are a few different ways to convert CR3 files to other formats. One way is to use Canon's own software, Digital Photo Professional. Another way to convert CR3 files to other formats like JPEG or TIFF is to use a third-party raw image converter, such as Adobe Photoshop, Lightroom, or specialized raw conversion tools like RawTherapee.

Editing and Protecting CR3 Files

CR3 files can be edited in a variety of raw image editors, such as Adobe Lightroom, Photoshop, and Capture One Pro. These editors allow you to adjust the white balance, exposure, color, and other aspects of the image. You can also use them to crop, straighten, and enhance your images.

To protect your CR3 files, keep regular backups and consider using watermarking tools to discourage unauthorized use.

Troubleshooting CR3 File Problems

If you are having problems with CR3 files, there are a few things you can try:

  • Make sure that you are using the latest version of the software you are using to open or edit CR3 files.
  • Try converting the CR3 file to a different format.
  • Back up the CR3 file and then try reimporting it into your software.
  • Contact Canon customer support for help.


Camera Raw


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