cr2

.cr2Canon Raw Version 2

Canon Inc. · 2001

Developer
Canon Inc.
Category
Images
MIME Type
image/x-canon-cr2
First Released
2001
Open Format
No
File Signature
49 49 2A 00

What is a .cr2 file?

CR2 is a proprietary raw image file format developed by Canon for its digital cameras. It captures minimally processed image data directly from the camera's sensor, offering greater editing flexibility and image quality than standard JPEG files. These files contain extensive metadata, including camera settings and lens information, making them ideal for professional photographers seeking maximum control over their images.

Programs That Open .cr2 Files

PlatformProgram
WindowsAdobe PhotoshopPaid
Adobe LightroomPaid
Canon Digital Photo ProfessionalFreeOfficial
GIMPFree
XnView MPFree
macOSAdobe PhotoshopPaid
Adobe LightroomPaid
Canon Digital Photo ProfessionalFreeOfficial
Affinity PhotoPaid
DarktableFree

Common Problems with .cr2 Files

⚠️ File won't open in image viewer.
Ensure you have installed the latest version of your image viewer or a dedicated RAW photo editor, as CR2 files require specific software support.
⚠️ Image quality is lower than expected after editing.
Since CR2 files are raw, excessive editing or saving in a lossy format can degrade quality. Always edit non-destructively and save to a high-quality format like TIFF for final output if needed.
⚠️ Cannot import CR2 files into older editing software.
Older software may not support the CR2 format or specific versions of it. Update your software, use a conversion tool, or export from Canon's DPP to a more compatible format like DNG or JPEG.

Frequently Asked Questions

What is a CR2 file?

A CR2 file is a raw image file format created by Canon digital cameras. It contains unprocessed data directly from the camera's sensor, offering maximum flexibility for editing.

What software can open CR2 files?

CR2 files can be opened with Canon's own Digital Photo Professional (DPP), professional photo editing software like Adobe Photoshop and Lightroom, and some free alternatives like GIMP and Darktable, though compatibility may vary.

Is CR2 a lossless format?

Yes, CR2 is a RAW format, meaning it is uncompressed or uses lossless compression, preserving all the image data captured by the sensor for highest quality editing.

Technical Details

CR2 files are based on the TIFF format and typically start with the hexadecimal signature '4949'. They store unprocessed sensor data, allowing for extensive adjustments to white balance, exposure, and color without loss of quality.

Did You Know?

CR2 files are often larger than JPEGs because they contain significantly more image data.
The CR2 format is closely related to the TIFF format, inheriting many of its structural elements.
Many professional photographers prefer shooting in RAW (like CR2) to retain the highest possible image quality and editing latitude.

Security Information

CR2 files are standard image formats and are generally safe to open. They do not inherently contain malicious code, but always ensure your software is up-to-date to protect against potential vulnerabilities in viewers.

Related Extensions