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What is CR2?

Canon Raw v2 (CR2) is Canon's second-generation raw image format used by Canon EOS digital cameras for professional photography.

What is FITS?

Flexible Image Transport System (FITS) is a scientific data format used primarily in astronomy for storing and transmitting images and datasets.

When Should You Use CR2 vs FITS?

Use CR2 When...

Reach for CR2 when your priority is canon photography, professional raw editing — its uncompromising quality ensures every detail is preserved.

Use FITS When...

Reach for FITS when your priority is astronomy, scientific imaging, research — its uncompromising quality ensures every detail is preserved.

CR2 vs FITS: Key Differences

  • •CR2 uses lossless compression while FITS uses lossless compression — both take the same approach to file size management.
  • •Since both CR2 and FITS use lossless compression, the quality characteristics are comparable — differences in file size come down to how efficiently each format implements compression.
  • •Alpha channel support: FITS lacks transparency support.
  • •Storage footprint: 20-50MB per photo depending on camera for CR2 vs Varies from 1MB to several GB for FITS.
  • •CR2 is optimized for canon photography, professional raw editing while FITS is designed for astronomy, scientific imaging, research — choose based on your specific workflow needs

Advantages of CR2

  • ✓CR2 uses lossless compression tailored for Canon photography, professional raw editing.
  • ✓CR2 is supported natively on virtually every device, browser, and operating system.
  • ✓CR2 files are bit-for-bit perfect, preserving every pixel and sample for professional work.
  • ✓CR2 integrates seamlessly with all major photo editing tools and workflows.

Advantages of FITS

  • ✓FITS uses lossless compression tailored for Astronomy, scientific imaging, research.
  • ✓FITS is supported natively on virtually every device, browser, and operating system.
  • ✓FITS files are bit-for-bit perfect, preserving every pixel and sample for professional work.
  • ✓FITS integrates seamlessly with all major creative tools and workflows.

Common Use Cases for CR2 to FITS Conversion

  • Graphic design projects
  • E-commerce product images
  • Email marketing campaigns
  • Presentation graphics
  • Blog and article illustrations
  • Mobile app UI assets

Industry Applications

Print PublishingE-commerceDigital ArtUI/UX DesignAdvertisingBrand Management

Best Practices for CR2 to FITS Conversion

  • →When converting CR2 to FITS, check whether FITS supports transparency — if not, your transparent areas will be filled with a solid color
  • →Use FITS for maximum quality archival and CR2 for lossless workflows
  • →Optimize images for web to reduce page load times — tools like our converter let you adjust quality settings before conversion
  • →Maintain original aspect ratio to avoid distortion during conversion
  • →Always keep a backup of your original files before converting
  • →Choose the appropriate quality settings for your specific use case

Related Article

JPG vs PNG vs WebP: Which Image Format Should You Use?

Learn more about CR2 and FITS formats in our detailed guide.

Troubleshooting CR2 to FITS Conversion

  • !Converting CR2 to FITS gives blurry output → increase the quality setting before conversion
  • !Colors look different in FITS than CR2 → check color profile mismatch (sRGB vs Adobe RGB)
  • !File size changed more than expected → FITS uses different compression, file size differences of 2-5x are normal
  • !Transparent areas in CR2 turned white in FITS → FITS may not support transparency

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Convert CR2 to FITS Online - Free & Fast

Convert CR2 files to FITS online for free. High-quality conversion with no registration required.

Image Converter

Upload or enter a URL to convert CR2 to FITS instantly

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.cr2,.CR2 (max 100MB)

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About CR2 and FITS

CR2

CR2 (Canon CR2 raw) - Canon Raw v2, raw image format from Canon digital cameras. Best for canon photography, professional raw editing.

FITS

FITS (FITS data) - Flexible Image Transport System, scientific data format. Ideal for astronomy, scientific imaging, research.

Format Comparison

CompressionLossless → Lossless
TransparencySupported
Use CaseConvert from canon photography, professional raw editing to astronomy, scientific imaging, research
File Size~Varies from 1MB to several GB after conversion

FAQs

Is converting CR2 to FITS free?

Yes, GoConvertFile offers free conversion of CR2 to FITS for files up to 100MB. No registration required.

How long does it take to convert CR2 to FITS?

Most CR2 to FITS conversions complete within seconds for standard-sized files. Larger files may take longer depending on the conversion complexity.

What is FITS best used for?

FITS is ideal for astronomy, scientific imaging, research. Flexible Image Transport System, scientific data format

What file size should I expect after converting CR2 to FITS?

File size after CR2 to FITS conversion depends on the content complexity and quality settings. Both formats use similar compression approaches so sizes are comparable.

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