Spire.PDF for Java is a totally independent Java PDF library. It does not require Adobe Acrobat or any other 3rd party software/library installed on system.
Spire.PDF for Java supports to draw text/image/table/barcode and shape on the PDF document from scratch, extract text and image from the PDF file, create/fill in/delete PDF form fields, add text and image watermarks to PDF, add/update/delete PDF bookmarks, operate hyperlinks/attachments/annotations on the PDF, add image/text stamp to PDF document.
Document information can be set with Spire.PDF for Java including document properties, viewer preference such as page orientation, page size, and zoom factor.
Spire.PDF for Java supports to convert PDF to XPS, PDF to Image, PDF to SVG, SVG to PDF, PDF to Excel, XPS to PDF, PDF to PDF/A with high quality.Spire.PDF for Java supports to add PDF digital signatures and verify the signatures on the PDF documents, encrypt and decrypt the PDF document, change PDF security permission and detect whether a signed PDF is changed or not.