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PNG at a glance
PNG
PNG emerged in the mid-1990s as a web-friendly alternative to GIF, and the format later became part of the W3C standards stack.
BAY at a glance
BAY
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 | PNG | BAY |
|---|---|---|
| File type | Image | Image |
| Extensions |
|
|
| MIME type |
|
|
| Created year | 1996 | 2002 |
| Inventor | PNG Development Group | Casio |
| Status | active | proprietary |
| Transparency | Not supported | Not supported |
| Animation | Not supported | Not supported |
| Primary use cases |
|
|
| Layer support | Not supported | Not supported |
| Vector scaling | Not supported | Not supported |
| Camera raw data | Not supported | Supported |
| HDR support | Not supported | Not supported |
| Streaming ready | Not supported | Not supported |
When to use each format
When to use PNG
- Your source file is already in PNG.
- Preserve source expectations before exporting to BAY.
- PNG is commonly used in image workflows.
When to use BAY
- Your target workflow expects BAY.
- Improve delivery compatibility with BAY.
- BAY is commonly used in image workflows.
FAQs
Why convert PNG to BAY?
Convert to BAY when preserving compatibility with an older camera archive or recovering original raw captures from that ecosystem.
In most modern photo workflows, BAY is a source to normalize into DNG, TIFF, or a contemporary editing format.
What changes when converting PNG to BAY?
This conversion changes how the format behaves in downstream tools and delivery environments.
Moving to BAY adds camera raw data.
What should I review after converting PNG to BAY?
Validate output quality on representative files and confirm the target format behaves correctly in the destination workflow.