Sign PDF files for free - JSignPdf 1.3.0

JSignPdf is an open source Java application which adds digital signatures to PDF documents.

It can be used as a standalone application or as an Add-On in OpenOffice.org. JSignPdf is open-source software and can be freely used in both private and business sectors

Features

visible and hidden signatures
certificate levels
timestamping
setting PDF rights
command line support for batch processing
certificate revocation checks (CRL, OCSP)

JSignPdf 1.3.0 was released

Features Current version provides:

visible signatures - image and/or description located visualy in a PDF file (page and position can be specified)
several different keystore types (as provided by Java)
timestamps from authority in signature (TSA)
certificate validation through CRL and/or OCSP
setting certification level
setting hash algorithm
PDF encryption and setting rights
comprehensive Swing GUI
support for batch processing (controlled by command line arguments, without GUI)

How to use

If you don't use windows installer, which already includes Java, you'll need a Java Runtime Environment in version 6 and newer.

Run JSignPdf.exe on Windows machine. If you don't use Windows or you want to add special parameters to the Java, run following from a command line:

java -jar JSignPdf.jar

To get help for command line processing (batch mode) use --help switch:

java -jar JSignPdf.jar --help

Closer specification is in Quick Guide, which is part of the downloaded package. You can find it in file docs/JSignPdf.pdf.

JSignPdf 1.3.0 introduces new features and fixes identified problems.

The main changes are: