Jun 30, 2014

The new version adds support for configuring TSA hash algorithm. There are 3 places, where the value can be specified:

  • - the default is loaded from conf/conf.properties file
  • - GUI has a new input field in the TSA dialog
  • - CLI contains a new program argument "-tsa"
Oct 2, 2013

This version adds possibility to customize signature text even more. Signature attributes can be used in custom L2 texts now. Supported placeholders are:

  • ${signer}
  • ${timestamp}
  • ${location}
  • ${reason}
  • ${contact}
JSignPdf - 1.6.0
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About JSignPdf

JSignPdf's retiring

Read more at JSignPdf Google group.

Sign PDF files for free

JSignPdf is a 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. The application uses the jsignpdf-itxt library for PDF manipulations (based on iText library in version 2.1.7 with LGPL/MPL license). JSignPdf is open-source software and can be freely used in both private and business sectors.

Download packageDownload the latest version!
All downloads are availabe on Project pages.


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.


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)


Author of the JSignPdf is a Czech developer Josef Cacek. He works in Java from 2000. Some links to the Josef's projects:


JSignPdf is released under Mozilla Public License (version 1.1 or later) and GNU LGPL (version 2.1 or later).