Before we discuss conversion, we must understand the container. A is an archive. Think of it like a digital suitcase. You cannot wear a suitcase; you have to unpack it to get the clothes inside.
This tool does convert bitmap or vector images into fonts. It extracts existing font files from compressed archives. For actual format conversion (e.g., OTF → TTF), use a dedicated font converter.
These are archive containers that use compression algorithms (like DEFLATE) to bundle multiple files or folders together to save storage space and simplify transfers.