iso2opl.exe is a small but powerful tool that surfaces in specialized workflows where disk images, optical media formats, and legacy gaming or software packaging intersect. Though not a household name, it performs a focused job: converting ISO-format disc images into OPL-style packages or structures used by a handful of emulation, backup, or optical-launcher utilities. Below I explain what it is, why it exists, how it’s used, and practical tips for getting the most from it.