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CDInfo 1.13 by the sz development is a lightweight diagnostic utility designed to extract and display complete ISO 9660 descriptor sets from every optical drive currently attached to a Windows system. Aimed at archivists, duplication technicians, and forensic investigators who must verify the structural integrity or metadata of recordable or replicated discs, the program enumerates each CD-ROM device, issues the low-level SCSI READ TOC and READ DISC INFORMATION commands, and parses the returned data into human-readable form. The read-out includes the Primary Volume Descriptor, Supplementary Volume Descriptors, Volume Descriptor Set Terminator, as well as layer information for multi-session and multi-track recordings, enabling users to confirm whether a disc conforms to the Yellow Book, Orange Book, or newer Mount Rainier standards without mounting its file system. Because it operates at the sector level, CDInfo can reveal hidden or deliberately malformed descriptors that higher-level tools might overlook, making it useful for validating bootable media, checking mastering errors, or documenting evidence prior to imaging. The single-file executable requires no installation and presents results in a scrollable text window that can be copied for reports. Version 1.13 remains the only release since the program’s debut, maintaining compatibility from Windows XP through Windows 11 without additional dependencies. CDInfo is available for free on get.nero.com, with downloads provided via trusted Windows package sources (e.g. winget), always delivering the latest version, and supporting batch installation of multiple applications.
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