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ARW at a glance
ARW
As Sony expanded from consumer electronics into serious camera bodies and sensors, ARW became part of the broader shift that put Sony raw support on the critical path for many photo applications.
BMP at a glance
BMP
Bitmap and device-independent bitmap structures became part of the Windows graphics story early in the platform's life, which is why BMP still appears in older desktop workflows and low-friction image interchange tasks.
Format comparison
| Feature | ARW | BMP |
|---|---|---|
| File type | Image | Image |
| Extensions |
|
|
| MIME type |
|
|
| Compression / quality | raw | depends |
| File size characteristics | large | medium |
| Compatibility | limited | broad |
| Editability | high | moderate |
| Created year | 2006 | 1990 |
| Inventor | Sony | Microsoft |
| Status | proprietary | active |
| Transparency | Not supported | Not supported |
| Animation | Not supported | Not supported |
| Primary use cases |
|
|
| Common software |
|
|
| Archival suitability | strong | moderate |
| Metadata handling | rich | moderate |
| Delivery profile | limited | strong |
| Workflow fit | source | delivery |
| Layer support | Not supported | Not supported |
| Vector scaling | Not supported | Not supported |
| Camera raw data | Supported | Not supported |
| HDR support | Not supported | Not supported |
| Streaming ready | Not supported | Not supported |
When to use each format
When to use ARW
- capture ingest
- editing
- web or print delivery
- Preserve capture-stage sensor information.
When to use BMP
- capture ingest
- editing
- web or print delivery
- Very easy for software to decode and inspect.
FAQs
Why convert ARW to BMP?
Choose BMP as target when a Windows-oriented tool, legacy application, or device explicitly expects simple bitmap input.
What changes when converting ARW to BMP?
Convert to BMP when a Windows-oriented tool, legacy application, or device explicitly expects simple bitmap input. It is useful for compatibility, debugging image pipelines, and straightforward raster exchange where file size is not the priority.
What should I review after converting ARW to BMP?
After conversion, review these destination checks: Open converted output in Windows imaging tools and verify behavior on real samples; Compare output against the expected depends quality profile; Files are often much larger than modern delivery formats.
How can I keep quality stable in ARW to BMP conversion?
Run representative samples, keep settings deterministic, and monitor these risks: It is a weak choice for web publishing or bandwidth-sensitive distribution; Files are often much larger than modern delivery formats; Validate destination compatibility before large-batch conversion.