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MNG at a glance
MNG
MNG emerged from PNG-adjacent development discussions that wanted something more capable than static PNG, but its complexity limited broad consumer adoption.
3G2 at a glance
3G2
3G2 belongs to an era when mobile ecosystems were more fragmented across standards families, carriers, and handset capabilities.
Format comparison
| Feature | MNG | 3G2 |
|---|---|---|
| File type | Image | Video |
| Extensions |
|
|
| MIME type |
|
|
| Created year | 2001 | 2004 |
| Inventor | PNG / MNG developer community | 3GPP2 |
| Status | legacy | active |
| Transparency | Not supported | Not supported |
| Animation | Not supported | Not supported |
| Primary use cases |
|
|
| Layer support | Not supported | Not supported |
| Camera raw data | Not supported | Not supported |
| HDR support | Not supported | Not supported |
| Streaming ready | Not supported | Not supported |
When to use each format
When to use MNG
- Your source file is already in MNG.
- Preserve source expectations before exporting to 3G2.
- MNG is commonly used in image workflows.
When to use 3G2
- Your target workflow expects 3G2.
- Improve delivery compatibility with 3G2.
- 3G2 is commonly used in video workflows.
FAQs
Why convert MNG 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 MNG to 3G2?
This conversion changes how the format behaves in downstream tools and delivery environments.
What should I review after converting MNG to 3G2?
Validate output quality on representative files and confirm the target format behaves correctly in the destination workflow.