Image ConverterImage Converter

ICNS Format Guide

Apple Icon Image - The icon format for macOS.

Lossless
Basic Information

File Extensions:

.icns

MIME Type

image/x-icns

Key Features:

Multi-size supportRetina support

Use Cases:

macOS application icons

Technical Support
Read Support: Supported
Write Support: Supported

Notes: Reads and writes macOS .icns files. By default, largest icon is read.

Convert To Other Formats
Choose a target format to convert your files:
Convert to AVIFConvert to BLPConvert to BMPConvert to DDSConvert to EPSConvert to GIFConvert to ICOConvert to IM
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Convert From Other Formats
Convert other formats to this format:
AVIF Convert to ICNSBLP Convert to ICNSBMP Convert to ICNSCUR Convert to ICNSDCX Convert to ICNSDDS Convert to ICNSEPS Convert to ICNSFITS Convert to ICNS
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Compress Images
Optimize file size while maintaining quality:
Compress ICNS