At the customer's requirement, the Acrobat API was used to write a small tool to delete XMP in PDF documents in batches.
Acrobat supports deleting XMP information, but it must be deleted by one node and one file.XMP RemoverYou can quickly delete the XMP information of all PDF documents in a specified directory.
P.S.
Adobe XMP (Extensible Metadata Platform, Adobe's Extensible Metadata Platform) is a label technology that helps users to integrate File Information (Metadata) add to files saved in PNG, GIF, JPEG, Photoshop, TIFF, PDF, and other formats. XMP facilitates metadata exchange between Adobe applications. For example, you can save the metadata in a file as a template and import the metadata into other files. It is mainly used to transfer important information in a workflow.
Adobe's Extensible Metadata Platform (XMP) is a labeling technology
That allows you to embed data about a file, known as metadata, into
File itself. With XMP, desktop applications and back-end publishing
Systems gain a common method for capturing, sharing, and leveraging
This valuable metadata-opening the door for more efficient job
Processing, workflow automation, and rights management, among workflow
Other possibilities. With XMP, Adobe has taken the "heavy lifting" out
Of metadata integration, offering content creators an easy way to embed
Meaningful information about their projects and providing industry
Partners with standards-based building blocks to develop optimized
Workflow solutions.