ICNS → PNG
Extracts the highest-resolution PNG (1024px) from an ICNS container, reusing macOS icon resources on other platforms and in design files.
Drag files here or click to upload (multiple files supported)
Ctrl+V to paste from clipboard
How to convert ICNS to PNG
- 1Upload your ICNS file by dragging, clicking, or pasting.
- 2Adjust quality settings if needed.
- 3Click 'Convert Now' and wait for the conversion to complete.
- 4Download your converted PNG file.
About ICNS to PNG conversion
ICNS is an application icon container format exclusive to Apple macOS, which encapsulates multi-resolution PNG entries from 16px to 1024px. PNG is a general-purpose lossless image format released in 1996, uses DEFLATE compression, supports alpha channels, and is suitable for general image display and editing.
This conversion extracts all resolution PNG entries from the ICNS file and outputs them as a packaged archive. It preserves the original alpha channel information of all entries and all pixel density specifications. The output PNG uses the original compression parameters, only adjusting the storage structure without changing image quality.
The converted PNG files can be used for web design materials, editing in third-party icon editors, and viewing Apple application icon content on Windows or Linux systems. The output is compatible with all mainstream image editing software.
ICNS vs PNG: technical comparison
| Feature | ICNS | PNG |
|---|---|---|
| Compression | Lossless | Lossless |
| Transparency | Yes | Yes |
| Animation | No | No |
| Released | 1998 | 1996 |
| Developer | Apple | PNG Development Group |
FAQ about ICNS → PNG
Will image quality be lost after conversion
No image quality loss occurs. ICNS itself encapsulates entries in PNG format, this conversion directly extracts the original PNG data and does not re-compress or modify image content.
Are multiple resolutions preserved
All resolution entries are fully preserved. All specifications from 16px to 1024px encapsulated in the ICNS file will be exported as separate PNG files and output as a package after conversion.
What is the maximum single file size limit
The maximum single file size supported for this conversion is 50MB, and only one file can be converted at a time. Files exceeding the size limit cannot be submitted for processing.
Will my files be stored
Your files are not stored. Files are uploaded to the server via HTTPS for conversion. After conversion completes, the server immediately deletes both the source file and output file, and retains no copies.