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Summary: The user faces image corruption in CR2 format from a Canon camera. The article discusses reasons for CR2 file corruption and introduces Kernel Photo Repair as a tool to fix it. The tool’s simple interface and steps for repairing files are outlined, emphasizing its effectiveness for CR2 and CRW formats.

I snapped a few shots with my Canon EOS 450D camera and reviewed them on the camera—everything seemed good. Later in the day, I removed the SanDisk SD card to transfer the images to my PC, only to find out that all of them had become corrupted. Is there a way to fix these images without losing any data? Your assistance would be greatly appreciated.

The CR2, or Canon Raw version 2, serves as an exclusive raw data format for Canon digital cameras. Tailored for professional photographers, the CR2 format can house uncompressed, high-resolution image data. This format allows the capture of detailed scenes by utilizing the entire sensor area. Given its popularity among professionals across various fields, the need to repair damaged CR2 image files in the event of file corruption becomes crucial. In this exploration, we will delve into a repair tool designed to effortlessly fix corrupted CR2 files.

Note: Canon camera models, including EOS 1D Mark IV, EOS 450D, and EOS Rebel T3, save captured images in CR2 format.

Reasons Behind CR2 File Corruption

Below are some of the prime reasons behind CR2 file corruption:

  • Wrong file name/ file extension.
  • Malicious attacks.
  • Unexpected system shutdown while the photo viewer is running in the background, causing file corruption.
  • Storing images on damaged or corrupted storage media.
  • Removal of storage media while in use.
How to Repair Damaged CR2 Files?

Like mentioned before, the CR2 format is specific to Canon cameras. Hence, it’s essential to seek trustworthy image repair tools; otherwise, the harm inflicted on the photos may be permanent. Unlike these CR2 image files, there are several free methods to repair corrupt JPEG files. Newly launched Kernel Photo Repair utility possesses all the capabilities for repairing damaged image files, including CR2 and CRW photo formats. The tool boasts a user-friendly interface that caters to both tech and non-tech users alike. Its simplicity ensures that even those less acquainted with technology can navigate it effortlessly. With the drag-and-drop functionality, adding files to the tool becomes a swift task, enabling the quick processing of a batch of photos simultaneously and ultimately saving valuable time. Additionally, it is compatible with all major Windows image formats. Now, let’s delve into a detailed examination of the tool’s functionality.

  1. After installing the software, launch it. The home screen has a folder icon; drag and drop the affected file(s) into it.
    drag and drop the file

    Note: Alternatively, you can click on the folder icon to manually select and upload files for repair. Click Open, after you have selected all the relevant files.

    manually select and upload files

  2. Next, the filepath of the files that you have previously added will be displayed. Click on Repair Files to proceed.
    Repair Files
  3. At this point, you will be asked to provide a destination to save the repaired file. Click, OK, once done.
    destination to save the repaired file
  4. The tool will now attempt to repair all these affected files one-by-one. The Status column shows the status of each repair process. You can also click on Save report to CSV for saving the process report in a CSV format.
    Save report to CSV
  5. Click Close to exit the window.
    exit the window


Canon exclusively employs CR2 and CRW formats for preserving high-resolution images. Similar to other image files, these formats are susceptible to corruption. Repairing the damage manually is a challenging task, leading users to heavily depend on professional third-party tools. Unfortunately, many of these tools prove to be ineffective and fail to fulfill their promises. In contrast, our software excels in efficiently repairing CR2 and CRW files, ensuring a swift and effective restoration process. Using this tool one can also fix broken or corrupt JPEG file headers in no time. Hence, we request the user to install the trial version to give this a try.

Kernel Photo Repair