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:
🔑 USB tokens and HSM (PKCS#11)
📜 PKCS#12/PFX certificates
💻 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
License
Affero GNU Public LicenseFollow eMark
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