Metamer is a free utility designed for macOS that allows users to edit metadata for 16 Spotlight extended attributes. This application provides a user-friendly interface, enabling users to access and modify metadata efficiently. Key features include support for various metadata fields, making it suitable for users looking to enhance their file management capabilities.

With Metamer, users can easily navigate through the metadata associated with their files, ensuring that all relevant information is up-to-date. The application focuses on streamlining the editing process, which is particularly useful for professionals managing large collections of digital assets. Overall, Metamer is a valuable tool for anyone needing to maintain accurate and accessible metadata on their Mac.