RAF to OTB — Format Comparison & Online Converter
Fast, instant RAF (FUJIFILM) to OTB conversion. No signup required. Just drop your .raf file and get .otb in seconds.
Batch Settings
About RAF (FUJIFILM) to OTB Conversion
RAF (introduced 2003) and OTB are both image formats, but they differ in important ways. RAF is Fujifilm's RAW photo format, preserving the X-Trans or Bayer sensor data. OTB is a widely used file format.
When you convert RAF to OTB, the goal is to convert between formats quickly. Converting RAF to OTB maintains high quality with CocoConvert's optimised encoder settings. Understanding these technical differences helps you choose the right format for your workflow.
Your RAF file is decoded and re-encoded as OTB. The conversion involves 4 steps: (1) your raf file is uploaded and validated, (2) the file is decoded (parsed into its raw data), (3) the data is re-encoded in otb format, (4) the converted file is ready for download.
CocoConvert's converter handles the entire pipeline server-side using FFmpeg, Sharp, and qpdf — battle-tested libraries used by streaming platforms and enterprise tools. Files are encrypted in transit and deleted within 24 hours.
This conversion is ideal when you When you need a OTB file. For the opposite direction, CocoConvert also supports OTB to RAF conversion.
How to Convert RAF (FUJIFILM) to OTB
- 1
Upload .raf file
Select your RAF file by dragging it to the upload zone or using the file picker. Batch upload is available for multiple files.
- 2
Choose .otb
Set OTB as the output format. The converter uses optimal settings based on the RAF→OTB conversion profile.
- 3
Convert
The server-side engine decodes your RAF file and re-encodes it as OTB. Processing time depends on file size and complexity.
- 4
Download result
Grab your converted .otb file. Multiple output files can be downloaded together.
What Happens When You Convert RAF (FUJIFILM) to OTB
Your RAF file is decoded and re-encoded as OTB.
Your RAF file is uploaded and validated
The file is decoded (parsed into its raw data)
The data is re-encoded in OTB format
The converted file is ready for download
Format Comparison
RAF (Fujifilm)
.raf file
| Extension | .raf |
| MIME Type | image/x-fuji-raf |
| Category | Image |
OTB
.otb file
| Extension | .otb |
| MIME Type | image/x-otb |
| Category | Image |
Should You Convert RAF (FUJIFILM) to OTB?
When to Convert
- ✓When you need a OTB file
Frequently Asked Questions
What is the difference between RAF and OTB?
RAF is Fujifilm's RAW photo format, preserving the X-Trans or Bayer sensor data. OTB is a widely used file format.
Does RAF to OTB conversion affect quality?
Converting RAF to OTB maintains high quality with CocoConvert's optimised encoder settings.
Which format has better compression, RAF or OTB?
RAF uses lossless compression. OTB is widely supported. The better choice depends on whether you prioritize file size or quality.
How long does RAF to OTB conversion take?
Most conversions finish in seconds. Larger files or complex image content may take 10–30 seconds. CocoConvert processes files in parallel for batch jobs.
Is RAF or OTB better for long-term storage?
RAF is better for archival since it's lossless.
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