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CgBI - Just Solve the File Format Problem

CgBI

From Just Solve the File Format Problem
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File Format
Name CgBI
Ontology
Extension(s) .png

CgBI is the informal name of a PNG-like image file format developed by Apple. It is also called iOS optimized PNG, and other similar names.

It is not compatible with PNG. PNG decoders that don't support it should fail completely, due to an unknown "critical chunk".

Identification

Files begin with the standard 8-byte PNG signature. A private "CgBI" chunk appears before the "IHDR" chunk. Usually or always, ASCII "CgBI" appears at offset 12.

Software

External links

Personal tools
Namespaces

Variants
Actions
Navigation
Toolbox

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