How to View and Edit PNG Metadata

PNG image files can have metadata embedded in them, in conformance with the format standard. PNG is an extensible file format, and there are several possible metadata formats for it, including XMP. (Extensible Metadata Platform)

XMP can contain a large number of various metadata elements, such as title, description, creator, keywords, and date.

Windows® 11 has a very limited built-in embedded properties viewer and editor that can be accessed by right-clicking on any file, selecting "Properties" from the context menu, and then navigating to the "Details" tab. It does not, however, supports viewing or editing embedded XMP properties in PNG at all. However, it's possible to edit XMP metadata in PNG with an appropriate third-party software that has been designed for this purpose.

MetadataTouch™ is a multi-format metadata editor for Windows®, that, among its capabilities, can edit XMP metadata in PNG files. It can do so one file at a time, and its Professional Edition can also do so in a group of files in batch. It's an offline desktop application that has a simple and straightforward graphical user interface,(GUI) with an integral file explorer, making it ideal for easily editing metadata.