Apple Icon Image format
General Information
| Title | ICNS File Extension |
| Extension | .icns |
| Full Form | Apple Icon Image format |
| File Type | Icon File |
| Developer | Apple Inc. |
| MIME Type | image/x-icon |
File Function
| Primary Function | Stores icons |
| Additional Functions | Scalable graphics, Multiple sizes |
| Features | Retina display support, Multiple resolutions |
File Characteristics
| Quality | High resolution |
| Supports Layers | No |
| Supports Transparency | Yes |
| Editable | Yes |
Use Cases
| Application Icons | Yes |
| System Icons | Yes |
| Toolbar Icons | Yes |
Security and Practices
| Security Risks | Rare |
| Best Practices | Icon validation, Trusted sources |
Historical/Version Information
| Initial Release | 1985 |
| Latest Update | macOS 11 Big Sur |
Associated Types
| Similar Extensions | .png, .jpeg, .tiff |
Software Compatibility
| Software | Usage Policy | OS Compatibility |
|---|---|---|
 Apple Preview |
Free | Mac |
 Icon Composer |
Free | Mac |
 IconJar |
Paid | Mac |