1. Home
  2. Image Converter
  3. Convert GBR to ORF

What is GBR?

GIMP Brush (GBR) is the custom brush format for the GIMP image editor, allowing digital artists to create and share custom brush tips.

What is ORF?

Olympus Raw Format (ORF) contains raw sensor data from Olympus OM-D, PEN, and other Olympus digital cameras.

When Should You Use GBR vs ORF?

Use GBR When...

Reach for GBR when your priority is digital painting, gimp brush presets — its uncompromising quality ensures every detail is preserved.

Use ORF When...

Reach for ORF when your priority is olympus camera raw processing — its uncompromising quality ensures every detail is preserved.

GBR vs ORF: Key Differences

  • •GBR uses lossless compression while ORF 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: N/A
  • •GBR files are typically Very small, typically under 100KB while ORF files range 15-40MB per photo
  • •GBR is optimized for digital painting, gimp brush presets while ORF is designed for olympus camera raw processing — choose based on your specific workflow needs

Advantages of GBR

  • ✓GBR applies lossless compression specifically calibrated for Digital painting, GIMP brush presets.
  • ✓GBR enjoys broad native support across operating systems, browsers, and creative tools alike.
  • ✓GBR guarantees every bit of the original data survives — no approximations, no shortcuts.
  • ✓You will find GBR support built into virtually every tool that handles Digital painting, GIMP brush presets — no plugins or converters needed.

Advantages of ORF

  • ✓ORF uses lossless compression tailored for Olympus camera raw processing.
  • ✓ORF is supported natively on virtually every device, browser, and operating system.
  • ✓ORF files are bit-for-bit perfect, preserving every pixel and sample for professional work.
  • ✓ORF integrates seamlessly with all major creative tools and workflows.

Common Use Cases for GBR to ORF 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 GBR to ORF Conversion

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

Troubleshooting GBR to ORF Conversion

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

Related Image Converters

All Image Formats

View all Image converters →

More Image tools

Convert to ORF →Convert from GBR →

Related Tools

Compress Images →

Convert GBR to ORF Online - Free & Fast

Convert GBR files to ORF online for free. High-quality conversion with no registration required.

Image Converter

Upload or enter a URL to convert GBR to ORF instantly

Click to upload or drag & drop GBR file

or paste from clipboard

.gbr,.GBR (max 100MB)

SSL EncryptedAuto-deleted in 1 hourProcessed securelyNo registration needed

Verifying security check…

About GBR and ORF

GBR

GBR (GIMP brushes) - GIMP Brush, custom brush format for GIMP image editor. Best for digital painting, gimp brush presets.

ORF

ORF (Olympus ORF raw) - Olympus Raw Format, raw image from Olympus cameras. Ideal for olympus camera raw processing.

Format Comparison

CompressionLossless → Lossless
TransparencySupported
Use CaseConvert from digital painting, gimp brush presets to olympus camera raw processing
File Size~15-40MB per photo after conversion

FAQs

Is converting GBR to ORF free?

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

How long does it take to convert GBR to ORF?

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

What is ORF best used for?

ORF is ideal for olympus camera raw processing. Olympus Raw Format, raw image from Olympus cameras

What file size should I expect after converting GBR to ORF?

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

Related Tools

JPG to ORF
Convert JPG to ORF
JPG to GBR
Convert JPG to GBR
PNG to ORF
Convert PNG to ORF
PNG to GBR
Convert PNG to GBR
View all image converter converters
Tune output for this image conversion
80%
Best compressionBest quality