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IMAGE
CAP Converter
Convert CAP files with ConverterHQ using workflows tuned for image compatibility, predictable output, and practical downstream use.
Quality and compatibility profile
Core technical and historical facts used for conversion quality, compatibility decisions, and SEO uniqueness.
| Feature | Fact sheet |
|---|---|
| Category | IMAGE |
| Extensions | cap |
| MIME types | image/cap |
| Created | 2005 |
| Inventor | Phase One |
| Status | proprietary |
| Compression type | lossless |
| Animation support | ❌ |
| Transparency support | ❌ |
| Supports Quality | ❌ |
| Supports Lossless | ✅ |
| Supports Metadata | ❌ |
| Supports Multiple Frames | ❌ |
| Color Depth | 24-bit |
| Container | CAP container |
| Camera raw data | ✅ |
| Manufacturer | Phase One |
| Layer support | ❌ |
| Vector scaling | ❌ |
| Reflowable text | ❌ |
| Multitrack content | ❌ |
| HDR content | ❌ |
| Structured data | ❌ |
| Streaming delivery | ❌ |
About this format
CAP format context
Format: CAP
Overview
These proprietary camera raw formats matter because serious photography workflows often begin in camera-native sensor data, and that means conversion decisions are shaped by manufacturer-specific raw semantics long before the file becomes a general-purpose image.
Camera makers needed formats that could preserve sensor data and capture metadata before irreversible rendering choices such as white balance, sharpening, or final compression were baked into delivery images.
Vendor raw formats remain central to photo ingestion, editing, archiving, and conversion workflows even when final delivery happens as JPG, TIFF, PNG, or DNG.
CAP is closely associated with camera-vendor raw ecosystems decoded today through the LibRaw/dcraw lineage.
CAP is usually selected for workflows that center on capture ingest, editing, web or print delivery.
Typical Workflows
- capture ingest
- editing
- web or print delivery
Common Software
- LibRaw
- Adobe Camera Raw
- vendor photo software
- archive workflows
Strengths
- Preserve capture-stage image data for later interpretation.
- Useful for high-end photo editing, archival masters, and sensor-aware workflows.
- Maintain metadata and capture flexibility that rendered delivery formats usually cannot.
Limitations
- Many are vendor-specific and poorly documented publicly.
- Compatibility often depends on decoder support in tools such as LibRaw, Adobe Camera Raw, or vendor software.
- They are source formats, not publication-ready outputs.
Related Formats
- DNG
- JPG
- TIFF
- PNG
Interesting Context
Digital photography fragmented into many manufacturer-specific raw formats because camera makers optimized for their own sensors, metadata, and software ecosystems rather than for one shared public raw standard.
CAP belongs to specialized capture and studio imaging environments, archival photo recovery, and conversion tools that maintain support for older proprietary formats.
It has little mainstream end-user presence outside those migration tasks.
Status: proprietary. Introduced: 2005. Invented by: Phase One. Stewarded by: camera-vendor raw ecosystems decoded today through the LibRaw/dcraw lineage.
How CAP fits into workflows
Workflow role: CAP
Convert to CAP when keeping compatibility with a legacy capture workflow or preserving source material from a proprietary imaging system.
It is mainly useful in archive recovery and controlled migration scenarios.
History of CAP
Format history: CAP
Digital photography fragmented into many manufacturer-specific raw formats because camera makers optimized for their own sensors, metadata, and software ecosystems rather than for one shared public raw standard.
Original problem: Camera makers needed formats that could preserve sensor data and capture metadata before irreversible rendering choices such as white balance, sharpening, or final compression were baked into delivery images.
Why CAP still matters
Current role: CAP
These proprietary camera raw formats matter because serious photography workflows often begin in camera-native sensor data, and that means conversion decisions are shaped by manufacturer-specific raw semantics long before the file becomes a general-purpose image.
Modern role: Vendor raw formats remain central to photo ingestion, editing, archiving, and conversion workflows even when final delivery happens as JPG, TIFF, PNG, or DNG.
When to use CAP
- capture ingest
- editing
- web or print delivery
Advantages of CAP
- Preserve capture-stage image data for later interpretation.
- Useful for high-end photo editing, archival masters, and sensor-aware workflows.
- Maintain metadata and capture flexibility that rendered delivery formats usually cannot.
Limitations of CAP
- Many are vendor-specific and poorly documented publicly.
- Compatibility often depends on decoder support in tools such as LibRaw, Adobe Camera Raw, or vendor software.
- They are source formats, not publication-ready outputs.
Formats related to CAP
CAP technical profile
| Feature | Fact sheet |
|---|---|
| Category | image |
| Extensions | .cap |
| MIME types | image/cap |
| Created year | 2005 |
| Inventor | Phase One |
| Status | proprietary |
| supports_animation | False |
| supports_transparency | False |
| supports_quality | False |
| supports_lossless | True |
| supports_metadata | False |
| supports_multiple_frames | False |
| compression_type | lossless |
| color_depth | 24-bit |
| container | CAP container |
| camera_raw | True |
| manufacturer | Phase One |
| supports_layers | False |
| supports_vector_scaling | False |
| supports_reflowable_text | False |
| supports_multitrack | False |
| hdr_capable | False |
| structured_data_capable | False |
| streaming_ready | False |
| sources | {'url': 'https://www.libraw.org/about', 'title': 'Reference Documentation', 'relevance': 'Technical reference', 'source_type': 'reference'}, {'url': 'https://www.libraw.org/supported-cameras', 'title': 'Reference Documentation', 'relevance': 'Technical reference', 'source_type': 'reference'} |
CAP quality and compatibility
Format profile: CAP
Size profile: large. Quality profile: raw. Editability profile: high. Compatibility profile: limited. Archival profile: strong. Metadata profile: rich. Delivery profile: limited. Workflow profile: source. Status: proprietary.
Notable capabilities: camera raw data.
Software that opens CAP
- LibRaw
- Adobe Camera Raw
- vendor photo software
- archive workflows
Conversion options
FAQs
Q: What is CAP typically used for?
A:
CAP is commonly used for capture ingest, editing, web or print delivery.
Q: What are the advantages of CAP?
A:
CAP is broadly compatible across common software.
Q: What should I watch out for when converting CAP?
A:
Check output quality and compatibility on representative sample files.
Sources
Technical reference
Technical reference