// REFERENCE
ICNS (macOS icon) signature
Signature (hex): 69 63 6E 73 (icns)
A macOS icon (.icns) starts with 69 63 6E 73 (icns). It bundles several resolutions of an app's icon in a single file.
Related tools
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png
PNG signature jpg
JPG/JPEG signature gif
GIF signature bmp
BMP signature webp
WebP signature tiff
TIFF signature
PNG signature jpg
JPG/JPEG signature gif
GIF signature bmp
BMP signature webp
WebP signature tiff
TIFF signature
Signatures verifiable with CyberEscudo's magic-bytes identifier. Educational content.