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K25 at a glance
K25
Convert to K25 when preserving or restoring an older camera-original archive that depends on that raw format.
In current workflows it is mainly a legacy preservation target.
3G2 at a glance
3G2
Convert to 3G2 when preserving compatibility with legacy CDMA handset recordings, telecom media archives, or workflows that explicitly expect 3GPP2-style mobile video.
It is useful for migration and recovery of old phone clips.
For current playback and sharing, MP4 is almost always the better destination.
Format comparison
| Feature | K25 | 3G2 |
|---|---|---|
| File type | Image | Video |
| Extensions |
|
|
| MIME type |
|
|
| Compression / quality | raw | depends |
| File size characteristics | large | large |
| Compatibility | limited | moderate |
| Editability | high | limited |
| Created year | 2001 | 2004 |
| Inventor | Kodak | 3GPP2 |
| Status | proprietary | active |
| Transparency | ❌ | ❌ |
| Animation | ❌ | ❌ |
| Primary use cases |
|
|
| Common software |
|
|
| Archival suitability | strong | moderate |
| Metadata handling | rich | moderate |
| Delivery profile | limited | strong |
| Workflow fit | source | delivery |
| Layer support | ❌ | ❌ |
| Camera raw data | ✔️ | ❌ |
| HDR support | ❌ | ❌ |
| Streaming ready | ❌ | ❌ |
When to use each format
When to use K25
- capture ingest
- editing
- web or print delivery
- Preserve capture-stage image data for later interpretation.
When to use 3G2
- editing
- mastering
- streaming delivery
- Useful for long-tail mobile-media compatibility.
FAQs
Why convert K25 to 3G2?
Convert to 3G2 when preserving compatibility with legacy CDMA handset recordings, telecom media archives, or workflows that explicitly expect 3GPP2-style mobile video.
It is useful for migration and recovery of old phone clips.
For current playback and sharing, MP4 is almost always the better destination.
What changes when converting K25 to 3G2?
This conversion changes how the format behaves in downstream tools and delivery environments.
Quality profile changes from raw in K25 to depends in 3G2. Editability profile changes from high in K25 to limited in 3G2. Compatibility profile changes from limited in K25 to moderate in 3G2. Archival profile changes from strong in K25 to moderate in 3G2. Metadata profile changes from rich in K25 to moderate in 3G2. Delivery profile changes from limited in K25 to strong in 3G2. Workflow profile changes from source in K25 to delivery in 3G2.
Moving to 3G2 removes camera raw data.
What should I review after converting K25 to 3G2?
Check the exported file for Mostly legacy today.; Recipients usually prefer conversion into more current containers..