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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.
JBIG2 at a glance
JBIG2
Convert to JBIG2 when optimizing scanned monochrome documents, forms, or page archives for storage and distribution.
It is ideal for document-heavy imaging pipelines where file size matters and the source is mostly black-and-white content.
Format comparison
| Feature | 3G2 | JBIG2 |
|---|---|---|
| File type | Video | Image |
| Extensions |
|
|
| MIME type |
|
|
| Compression / quality | depends | depends |
| File size characteristics | large | medium |
| Compatibility | moderate | broad |
| Editability | limited | moderate |
| Created year | 2004 | 2000 |
| Inventor | 3GPP2 | Joint Bi-level Image Experts Group |
| Status | active | active |
| Transparency | Not supported | Not supported |
| Animation | Not supported | Not supported |
| Primary use cases |
|
|
| Common software |
|
|
| Archival suitability | moderate | moderate |
| Metadata handling | moderate | moderate |
| Delivery profile | strong | strong |
| Workflow fit | delivery | delivery |
| 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 3G2
- editing
- mastering
- streaming delivery
- Useful for long-tail mobile-media compatibility.
When to use JBIG2
- capture ingest
- editing
- web or print delivery
- Optimized for specific document-imaging scenarios.
FAQs
Why convert 3G2 to JBIG2?
Convert to JBIG2 when optimizing scanned monochrome documents, forms, or page archives for storage and distribution.
It is ideal for document-heavy imaging pipelines where file size matters and the source is mostly black-and-white content.
What changes when converting 3G2 to JBIG2?
This conversion changes how the format behaves in downstream tools and delivery environments.
Size profile changes from large in 3G2 to medium in JBIG2. Editability profile changes from limited in 3G2 to moderate in JBIG2. Compatibility profile changes from moderate in 3G2 to broad in JBIG2.
What should I review after converting 3G2 to JBIG2?
Check the exported file for Not general-purpose image formats for mainstream editing or web use.; Need workflow-aware validation because document semantics and visual accuracy can matter more than casual viewing..