SetaPDF-Signer Digital sign PDF documents with PHP

Guarantee PDF document integrity with PHP

The SetaPDF-Signer component allows PHP developers to build solutions to digital sign PDF documents in pure PHP.

Digital signatures in PDF documents serve two purposes: The signature guarantees the PDF document's integrity and it allows the recipient to identify the signer of a PDF document.

The PHP component offers the following key features:

• Completely written in PHP

• Compatible with all available PDF versions

• Very low memory usage

• Digital sign PDF documents with any X509 Certificate

• Sign or Certify Documents

• Create PAdES conform PDF signatures in PHP

• Resolving of validation related information (VRI) for Long-Term Validation (LTV)

• Modules for cloud key management services (Azure Key Vault / AWS KMS / Google Cloud KMS)

• Module to access keys stored on PKCS #11 compatible devices

• Use client side USB tokens through bridge applications such as Fortify

• Extendable via individual modules

• Optional signature modules on request

• Visible signatures

• RFC 3161 compatible timestamping

• Easy to understand usage

In Action [See all demos]

Sign With a Visible Signature

Sign a PDF document with a visible signature

GlobalSign DSS - Document level timestamp

Document level timestamp signature including Long-Term Validation (LTV).

Find more in the demos section.