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APNG at a glance
APNG
APNG started as a Mozilla-driven attempt to bring better animation into the PNG ecosystem. Its practical relevance increased once modern browsers and toolchains treated it as a viable web animation target.
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 | APNG | CUR |
|---|---|---|
| File type | Image | Image |
| Extensions |
|
|
| MIME type |
|
|
| Compression / quality | depends | depends |
| File size characteristics | medium | medium |
| Compatibility | broad | broad |
| Editability | moderate | moderate |
| Created year | 2004 | 1990 |
| Inventor | Mozilla community | Microsoft / Windows ecosystem |
| Status | active | legacy |
| Transparency | Not supported | Not supported |
| Animation | Not supported | Not supported |
| Primary use cases |
|
|
| Common software |
|
|
| Archival suitability | moderate | moderate |
| Metadata handling | moderate | moderate |
| Delivery profile | strong | strong |
| Workflow fit | delivery | delivery |
| 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 | Supported | Not supported |
When to use each format
When to use APNG
- capture ingest
- editing
- web or print delivery
- Supports animation while keeping PNG-style lossless imaging.
When to use CUR
- capture ingest
- editing
- web or print delivery
- Relevant for Windows resource compatibility.
FAQs
Why convert APNG to CUR?
Choose CUR as target when preparing or preserving cursor assets for Windows applications, themes, or interface restoration.
What changes when converting APNG 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 should I review after converting APNG to CUR?
After conversion, review these destination checks: Open converted output in Windows resource tools and verify behavior on real samples; Compare output against the expected depends quality profile; Not mainstream web or publishing image targets.
How can I keep quality stable in APNG to CUR conversion?
Run representative samples, keep settings deterministic, and monitor these risks: The workflow value is strongly platform-specific; Not mainstream web or publishing image targets; Validate destination compatibility before large-batch conversion.