API for performing document signing and related operations in Java applications
Improved business documents with digital signatures in Java
Swift and customizable signing: GroupDocs.Signature for Java offers a wide range of digital signature options for PDFs, images, and Office documents. You can use text, barcodes, QR-codes, digital certificates, pictures, or hidden metadata. The document processing is fast and efficient.
Manipulating signed documents
Advanced document processing involves powerful operations on signed documents using GroupDocs.Signature for Java. You can search for and validate signatures that have been added to business documents using various useful criteria. Additionally, you can access detailed information about the document or obtain preview images of its pages.
Variety of output choices
Robust signing options allow you to customize the output for documents signed with GroupDocs.Signature for Java. You can precisely position any signature on any document page and configure its appearance in various ways. The Java API supports saving signed business documents in numerous supported formats and provides options for securing them with passwords.