Client-side JPEG → ICNS packing with automatic square crop and multi-size mipmaps.
Drop JPEG / JPG to pack ICNS
JPEG / JPG only · output: ICNS · non-square images are center-cropped automatically
Convert JPEG to ICNS Free helps you client-side jpeg → icns packing with automatic square crop and multi-size mipmaps. It is commonly used by professionals, students, general users for jpeg to icns, convert to icns, icns converter.
Convert JPEG to ICNS without uploading
Drop JPEG files below to build a macOS .icns icon set locally. Non-square images are center-cropped to a 1:1 square, then downsampled to 16–1024 px layers packed with PNG payloads.
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