iText - Java PDF library

iText is one of the popular and widely used PDF library. It is used to generate PDF documents dynamically. Mostly web developers will love it to generate PDF documents and reports based on data from an XML file or a database and serves it to the browser. It has support of adding bookmarks, watermarks, Encryption, Form filling and lot more.

iText helps to convert PDF to text and it is also capable to generate PDF from XML and HTML. It could digitally sign the document.