GroupDocs.Redaction for Java
GroupDocs.Redaction for Java is a developer API library used to remove confidential, sensitive and classified data from Microsoft Word, Excel, PowerPoint and PDF files. This data Redaction API’s interface supports redaction of text, metadata, annotation, and tabular document data. GroupDocs.Redaction for Java API also allows developers to redact password-protected documents. Developers can also save the document in its original format and create a redacted PDF document with raster images.