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MKV at a glance
MKV
Convert to MKV when you need multiple tracks, subtitle support, chaptering, or less common codec combinations in a single container.
It is ideal for archival masters, media-library organisation, multilingual releases, and technical video handoff.
For mainstream web playback and easiest consumer sharing, MP4 is usually simpler.
CRW at a glance
CRW
Convert to CRW when maintaining compatibility with older Canon raw libraries or recovering historical camera originals.
In most current workflows it is a source to preserve or migrate, not a preferred new output format.
Format comparison
| Feature | MKV | CRW |
|---|---|---|
| File type | Video | Image |
| Extensions |
|
|
| MIME type |
|
|
| Compression / quality | depends | raw |
| File size characteristics | large | large |
| Compatibility | moderate | limited |
| Editability | limited | high |
| Created year | 2002 | 2000 |
| Inventor | Matroska | Canon |
| Status | active | proprietary |
| Transparency | Not supported | Not supported |
| Animation | Not supported | Not supported |
| Primary use cases |
|
|
| Common software |
|
|
| Archival suitability | moderate | strong |
| Metadata handling | moderate | rich |
| Delivery profile | strong | limited |
| Workflow fit | delivery | source |
| Layer support | Not supported | Not supported |
| Camera raw data | Not supported | Supported |
| HDR support | Not supported | Not supported |
| Streaming ready | Supported | Not supported |
When to use each format
When to use MKV
- editing
- mastering
- streaming delivery
- Very flexible track, subtitle, and attachment handling.
When to use CRW
- capture ingest
- editing
- web or print delivery
- Preserve capture-stage sensor information.
FAQs
Why convert MKV to CRW?
Convert to CRW when maintaining compatibility with older Canon raw libraries or recovering historical camera originals.
In most current workflows it is a source to preserve or migrate, not a preferred new output format.
What changes when converting MKV to CRW?
This conversion changes how the format behaves in downstream tools and delivery environments.
Quality profile changes from depends in MKV to raw in CRW. Editability profile changes from limited in MKV to high in CRW. Compatibility profile changes from moderate in MKV to limited in CRW. Archival profile changes from moderate in MKV to strong in CRW. Metadata profile changes from moderate in MKV to rich in CRW. Delivery profile changes from strong in MKV to limited in CRW. Workflow profile changes from delivery in MKV to source in CRW.
Moving to CRW adds camera raw data. Moving to CRW removes streaming delivery.
What should I review after converting MKV to CRW?
Check the exported file for Compatibility often depends on vendor or decoder support.; They are source formats, not publication-ready outputs.; Public technical documentation is uneven across manufacturers..