eMark is a free and open-source PDF signing and verification application – a powerful Adobe Reader alternative that enables you to securely sign, verify, timestamp, and protect PDF documents using:

πŸ”‘ USB tokens and HSM (PKCS#11)
πŸ“œ PKCS#12/PFX certificates
πŸ’» Windows certificate store

Works seamlessly on Windows, Linux, and macOS with an Adobe Reader-like interface featuring professional signature verification capabilities. Built for individuals, enterprises, and government organizations.

Features

  • Adobe Reader–like signature interface
  • Verify digital signatures in PDF documents
  • Validate certificate chain and trust status
  • Supports USB tokens and HSM (PKCS#11)
  • Sign using PFX/PKCS#12 files
  • View detailed signer and certificate info
  • RFC 3161 timestamp and LTV support
  • Cross-platform (Windows, Linux, macOS)
  • Open source and free (AGPL v3.0)
  • Simple PDF signing

Project Samples

Project Activity

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License

Affero GNU Public License

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Additional Project Details

Operating Systems

Linux, Mac, Windows

Languages

English

Intended Audience

Developers, End Users/Desktop, Financial and Insurance Industry, Government, Legal Industry, System Administrators

User Interface

Java Swing

Programming Language

Java

Related Categories

Java Cryptography Software, Java PDF Editors, Java Electronic Signature Software

Registered

2025-10-14