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RealVideo at a glance
RealVideo
RealNetworks released the first RealVideo codec in February 1997 as part of RealPlayer 5, pioneering internet video streaming when bandwidth was extremely limited and competing with Microsoft's Windows Media and Apple's QuickTime Streaming.
K25 at a glance
K25
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.
Format comparison
| Feature | RealVideo | K25 |
|---|---|---|
| File type | Video | Image |
| Extensions |
|
|
| MIME type |
|
|
| Created year | 1997 | 2001 |
| Inventor | RealNetworks | Kodak |
| Status | legacy | proprietary |
| Transparency | Not supported | Not supported |
| Animation | Not supported | Not supported |
| Primary use cases |
|
|
| Layer support | 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 RealVideo
- Your source file is already in RealVideo.
- Preserve source expectations before exporting to K25.
- RealVideo is commonly used in video workflows.
When to use K25
- Your target workflow expects K25.
- Improve delivery compatibility with K25.
- K25 is commonly used in image workflows.
FAQs
Why convert RealVideo to 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.
What changes when converting RealVideo to K25?
This conversion changes how the format behaves in downstream tools and delivery environments.
Moving to K25 removes layer support. Moving to K25 adds camera raw data. Moving to K25 removes streaming delivery.
What should I review after converting RealVideo to K25?
Validate output quality on representative files and confirm the target format behaves correctly in the destination workflow.