Install GroupDocs.Metadata Cloud SDKs for .NET and edit PDF metadata in C# Programmatically. It also offers a web-based online metadata editor.
Add, Remove, Update, and Extract Metadata using Java and .NET
Yet another news for Cloud Developers! GroupDocs has launched the Document Metadata Manipulation Cloud API. This enriches the document metadata management solution of GroupDocs. The solution is already serving .NET and Java developers as On-Premise APIs for developers, and as Free Online Document Metadata Editor App for any kind of user to view and edit metadata of documents.
Metadata Manipulation Cloud API GroupDocs.Metadata Cloud API along with SDKs that allow developers to manipulate (add, remove, update, extract, and view) metadata of more than 50 file formats.