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What is X3F?

Sigma Raw (X3F) contains raw sensor data from Sigma cameras using the unique Foveon X3 sensor technology.

What is SRW?

Samsung Raw (SRW) contains raw sensor data from Samsung NX series cameras.

When Should You Use X3F vs SRW?

Use X3F When...

Reach for X3F when your priority is sigma/foveon camera raw processing — its uncompromising quality ensures every detail is preserved.

Use SRW When...

Reach for SRW when your priority is samsung camera raw post-processing — its uncompromising quality ensures every detail is preserved.

X3F vs SRW: Key Differences

  • •The core technical difference: X3F relies on lossless compression whereas SRW uses lossless compression.
  • •Neither format changes compression philosophy — both are lossless compression — so any size differences are due to encoding efficiency, not a shift in quality approach.
  • •Alpha channel support: SRW lacks transparency support.
  • •File sizes: X3F files typically range 25-60MB per photo and SRW files 15-40MB per photo.
  • •X3F is optimized for sigma/foveon camera raw processing while SRW is designed for samsung camera raw post-processing — choose based on your specific workflow needs

Advantages of X3F

  • ✓The lossless nature of X3F means file sizes stay reasonable while handling Sigma/Foveon camera raw processing efficiently.
  • ✓From mobile devices to enterprise servers, X3F is recognized and supported everywhere.
  • ✓The trade-off for X3F's perfection is larger files — but for archival work, it is worth every megabyte.
  • ✓X3F is a first-class citizen in all major software ecosystems, from creative suites to development environments.

Advantages of SRW

  • ✓SRW applies lossless compression specifically calibrated for Samsung camera raw post-processing.
  • ✓SRW enjoys broad native support across operating systems, browsers, and creative tools alike.
  • ✓SRW guarantees every bit of the original data survives — no approximations, no shortcuts.
  • ✓You will find SRW support built into virtually every tool that handles Samsung camera raw post-processing — no plugins or converters needed.

Common Use Cases for X3F to SRW Conversion

  • Product photography for marketplaces
  • Digital art portfolios
  • Brochure and flyer design
  • Newsletter graphics
  • Video thumbnail creation
  • Certificate and badge design

Industry Applications

Content ManagementMedical ImagingReal Estate PhotographyGame DevelopmentScientific VisualizationE-learning Content

Best Practices for X3F to SRW Conversion

  • →Before converting X3F to SRW, decide whether you need maximum quality or smallest file size — this determines which format truly fits
  • →Save a master copy in a lossless format before converting to SRW — you cannot recover detail lost during lossy compression
  • →Check the color profile: X3F images may use a wider gamut than SRW supports, causing a visible shift after conversion
  • →Resize images to the final display dimensions before converting — this avoids unnecessary processing of oversized files
  • →Run a single test conversion first to verify quality meets your standards
  • →Strip unnecessary metadata to reduce file size after conversion

Related Article

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

Learn more about X3F and SRW formats in our detailed guide.

Troubleshooting X3F to SRW Conversion

  • !Converting X3F to SRW gives blurry output → increase the quality setting before conversion
  • !Colors look different in SRW than X3F → check color profile mismatch (sRGB vs Adobe RGB)
  • !File size changed more than expected → SRW uses different compression, file size differences of 2-5x are normal
  • !Transparent areas in X3F turned white in SRW → SRW may not support transparency

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About X3F and SRW

X3F

X3F (Sigma X3F raw) - Sigma Raw, Foveon X3 sensor raw format. Best for sigma/foveon camera raw processing.

SRW

SRW (Samsung SRW raw) - Samsung Raw, raw image format for Samsung cameras. Ideal for samsung camera raw post-processing.

Format Comparison

CompressionLossless → Lossless
TransparencySupported
Use CaseConvert from sigma/foveon camera raw processing to samsung camera raw post-processing
File Size~15-40MB per photo after conversion

FAQs

Is converting X3F to SRW free?

Yes, GoConvertFile offers free conversion of X3F to SRW for files up to 100MB. No registration required.

How long does it take to convert X3F to SRW?

Most X3F to SRW conversions complete within seconds for standard-sized files. Larger files may take longer depending on the conversion complexity.

What is SRW best used for?

SRW is ideal for samsung camera raw post-processing. Samsung Raw, raw image format for Samsung cameras

What file size should I expect after converting X3F to SRW?

File size after X3F to SRW conversion depends on the content complexity and quality settings. Both formats use similar compression approaches so sizes are comparable.

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