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WEBM at a glance
WEBM
The WebM Project launched the format in 2010 to provide an open web-video option built around VPx video codecs and Vorbis or Opus audio.
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 | WEBM | CUR |
|---|---|---|
| File type | Video | Image |
| Extensions |
|
|
| MIME type |
|
|
| Created year | 2010 | 1990 |
| Inventor | Microsoft / Windows ecosystem | |
| Status | active | legacy |
| Transparency | Not supported | Not supported |
| Animation | Not supported | Not supported |
| Primary use cases |
|
|
| Layer support | Supported | Not supported |
| Camera raw data | Not supported | Not supported |
| HDR support | Not supported | Not supported |
| Streaming ready | Supported | Not supported |
When to use each format
When to use WEBM
- Your source file is already in WEBM.
- Preserve source expectations before exporting to CUR.
- WEBM is commonly used in video 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 WEBM 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 WEBM to CUR?
This conversion changes how the format behaves in downstream tools and delivery environments.
Moving to CUR removes layer support. Moving to CUR removes streaming delivery.
What should I review after converting WEBM to CUR?
Validate output quality on representative files and confirm the target format behaves correctly in the destination workflow.