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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.
WEBP at a glance
WEBP
Google announced WebP in 2010 for faster image delivery on the web, and the format is now documented in RFC 9649.
Format comparison
| Feature | CUR | WEBP |
|---|---|---|
| File type | Image | Image |
| Extensions |
|
|
| MIME type |
|
|
| Created year | 1990 | 2010 |
| Inventor | Microsoft / Windows ecosystem | |
| Status | legacy | active |
| Transparency | Not supported | Not supported |
| Animation | Not supported | 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 CUR
- Your source file is already in CUR.
- Preserve source expectations before exporting to WEBP.
- CUR is commonly used in image workflows.
When to use WEBP
- Your target workflow expects WEBP.
- Improve delivery compatibility with WEBP.
- WEBP is commonly used in image workflows.
FAQs
Why convert CUR to WEBP?
Convert to WebP when delivering images for the web or apps and you want strong compression with support for transparency or animation.
It is a practical target for responsive sites, ecommerce, editorial media, and interface assets.
What changes when converting CUR to WEBP?
This conversion changes how the format behaves in downstream tools and delivery environments.
Moving to WEBP adds animation support.
What should I review after converting CUR to WEBP?
Validate output quality on representative files and confirm the target format behaves correctly in the destination workflow.