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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 PSB?

Photoshop Big (PSB) is Adobe's large document format, extending PSD to support images up to 300,000 pixels and 4 exabytes in size.

When Should You Use X3F vs PSB?

Use X3F When...

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

Use PSB When...

Reach for PSB when your priority is large-format graphic design, billboard artwork — its uncompromising quality ensures every detail is preserved.

X3F vs PSB: Key Differences

  • •X3F uses lossless compression while PSB uses lossless compression — both take the same approach to file size management.
  • •Neither format changes compression philosophy — both are lossless compression — so any size differences are due to encoding efficiency, not a shift in quality approach.
  • •Transparency: Full alpha channel transparency
  • •X3F files are typically 25-60MB per photo while PSB files range Can exceed 2GB
  • •Use case fit: X3F targets sigma/foveon camera raw processing and PSB targets large-format graphic design, billboard artwork — your choice depends on which workflow stage you are serving.

Advantages of X3F

  • ✓X3F applies lossless compression specifically calibrated for Sigma/Foveon camera raw processing.
  • ✓X3F enjoys broad native support across operating systems, browsers, and creative tools alike.
  • ✓X3F guarantees every bit of the original data survives — no approximations, no shortcuts.
  • ✓You will find X3F support built into virtually every tool that handles Sigma/Foveon camera raw processing — no plugins or converters needed.

Advantages of PSB

  • ✓PSB compresses data using lossless methods, keeping file sizes manageable for Large-format graphic design, billboard artwork.
  • ✓Industry-wide support means PSB files open anywhere — from legacy systems to the latest devices.
  • ✓Lossless quality makes PSB the gold standard for archival and master copies.
  • ✓From professional software to open-source alternatives, PSB works out of the box.

Common Use Cases for X3F to PSB Conversion

  • Digital photography and editing
  • Graphic design projects
  • E-commerce product images
  • Email marketing campaigns
  • Presentation graphics
  • Blog and article illustrations

Industry Applications

Social Media MarketingPrint PublishingE-commerceDigital ArtUI/UX DesignAdvertising

Best Practices for X3F to PSB Conversion

  • →When converting X3F to PSB, check whether PSB supports transparency — if not, your transparent areas will be filled with a solid color
  • →Use PSB for maximum quality archival and X3F 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 X3F and PSB formats in our detailed guide.

Troubleshooting X3F to PSB Conversion

  • !PSB shows visible compression artifacts → lower the compression level or switch to a lossless variant
  • !The converted PSB image looks washed out → the source X3F likely uses a wider color space than PSB supports
  • !PSB file is much larger than expected → check if the conversion preserved an unnecessarily high resolution
  • !Text in the converted PSB looks fuzzy → text-heavy images benefit from higher quality settings or a different output format

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Convert X3F to PSB Online - Free & Fast

Convert X3F files to PSB online for free. High-quality conversion with no registration required.

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About X3F and PSB

X3F

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

PSB

PSB (PSB large docs) - Photoshop Big, large document format for 2GB+ PSD files. Ideal for large-format graphic design, billboard artwork.

Format Comparison

CompressionLossless → Lossless
TransparencySupported
Use CaseConvert from sigma/foveon camera raw processing to large-format graphic design, billboard artwork
File Size~Can exceed 2GB after conversion

FAQs

Is converting X3F to PSB free?

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

How long does it take to convert X3F to PSB?

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

What is PSB best used for?

PSB is ideal for large-format graphic design, billboard artwork. Photoshop Big, large document format for 2GB+ PSD files

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

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

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