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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.
CUR at a glance
CUR
These formats reflect how desktop operating systems built their own graphics-resource conventions for cursors, icons, and device-independent drawing.
Format comparison
| Feature | BMP | CUR |
|---|---|---|
| File type | Image | Image |
| Extensions |
|
|
| MIME type |
|
|
| Created year | 1990 | 1990 |
| Inventor | Microsoft | Microsoft / Windows ecosystem |
| Status | active | legacy |
| 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 | Not supported |
| HDR support | Not supported | Not supported |
| Streaming ready | Not supported | Not supported |
When to use each format
When to use BMP
- Your source file is already in BMP.
- Preserve source expectations before exporting to CUR.
- BMP is commonly used in image workflows.
When to use CUR
- Your target workflow expects CUR.
- Improve delivery compatibility with CUR.
- CUR is commonly used in image workflows.
FAQs
Why convert BMP to CUR?
Convert to CUR when preparing or preserving cursor assets for Windows applications, themes, or interface restoration.
It is useful when pointer hotspot behavior must survive alongside the bitmap itself.
What changes when converting BMP to CUR?
This conversion changes how the format behaves in downstream tools and delivery environments.
What should I review after converting BMP to CUR?
Validate output quality on representative files and confirm the target format behaves correctly in the destination workflow.