MMegaConvert

Convert HDR to CR2

Free online HDR to CR2 converter. No signup required.

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Max file size: 100 MB

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How to Convert HDR to CR2

Follow these simple steps to convert your file in seconds.

  1. 1

    Upload your .hdr file

    Drag and drop your .hdr file into the upload area, or click "Browse" to select it from your device. Your file is uploaded securely and processed on our servers.

  2. 2

    Click "Convert to CR2"

    Once your file is uploaded, press the convert button to start the HDR to CR2 conversion process.

  3. 3

    Wait for the conversion to complete

    The conversion usually takes just a few seconds. You can see the progress in real time while your file is being processed.

  4. 4

    Download your converted .cr2 file

    When the conversion is finished, click the download button to save your new .cr2 file. The file is ready to use immediately.

Understanding HDR and CR2 Formats

Learn about the source and target file formats to understand what happens during conversion.

Source Format

Radiance HDR Image

image/vnd.radiance

HDR (High Dynamic Range) Radiance format, also known as RGBE, stores images with a high dynamic range of luminance values using a run-length encoded format. Developed by Greg Ward for the Radiance lighting simulation system, it encodes each pixel as three 8-bit mantissas and a shared 8-bit exponent. HDR images capture a much wider range of brightness than standard 8-bit formats.

Advantages

  • Captures a wide dynamic range of lighting from very dark to very bright
  • Relatively compact encoding for high dynamic range data
  • Widely supported in 3D rendering, game engines, and compositing software

Limitations

  • Lower precision than 32-bit EXR for demanding visual effects work
  • Not suitable for direct display without tone mapping
  • Limited to RGB data with no alpha channel support

Common Uses

  • Environment maps and image-based lighting in 3D rendering
  • HDR photography merging and tone mapping workflows
  • Lighting simulation and architectural visualization

Target Format

Canon Raw Image

image/x-canon-cr2

CR2 (Canon Raw version 2) is Canon's proprietary raw image format used by Canon DSLR and mirrorless cameras. It stores unprocessed sensor data with full bit depth, white balance, and exposure settings as metadata rather than baked-in adjustments. CR2 files provide maximum flexibility for post-processing, preserving all the data captured by the camera sensor.

Advantages

  • Preserves complete unprocessed sensor data for maximum editing flexibility
  • Widely supported by major photo editing software including Lightroom and Capture One
  • Contains extensive EXIF metadata including camera settings and lens information

Limitations

  • Proprietary format controlled by Canon with no public specification
  • Large file sizes, typically 20-30 MB per image for modern cameras
  • Requires specialized raw processing software to view and edit

Common Uses

  • Professional and enthusiast photography with Canon cameras
  • Non-destructive photo editing and raw development
  • High-quality image archival preserving maximum sensor data

Frequently Asked Questions

Common questions about converting HDR to CR2.

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