PDF Signer is a digital signature solution designed to securely sign, manage, and process PDF documents using X.509 digital certificates. It streamlines individual and bulk signing, supports configurable signature placement, enhances document security, and improves workflow efficiency for organizations handling large volumes of documents.
Vendor
KDK Software
Company Website

PDF Signer
PDF Signer is a digital signature solution designed to securely sign, manage, and process PDF documents using X.509 digital certificates. It streamlines individual and bulk signing, supports configurable signature placement, enhances document security, and improves workflow efficiency for organizations handling large volumes of documents. Its flexibility, automation features, and compatibility with various certificate types make it suitable for both corporate and professional use.
Features
- Ability to digitally sign any page of a PDF document.
- Support for single or bulk file signing from a selected folder.
- Customizable signing location, reason, and city information.
- Option to apply user‑defined passwords to signed documents.
- Preview functionality for checking signed PDFs before distribution.
- Merge multiple PDF files and apply digital signatures.
- Built‑in email option to send signed documents directly.
- Logbook tracking for all signed documents and failed attempts.
- Display of DSC (Digital Signature Certificate) expiry date.
Capabilities
- Bulk signing for handling large volumes of corporate documents.
- Support for certificates on smart cards, USB tokens, eTokens, and QSCD devices.
- Compatible with eIDAS‑qualified certificates.
- Timestamping and long‑term validation for compliance and audit trails.
- Support for SHA‑256, SHA‑384, SHA‑512, and elliptic‑curve algorithms.
- PAdES‑compliant advanced digital signatures with long‑term validation.
- Encryption capabilities for enhancing document security.
- Configurable signature appearance and placement on first, last, or all pages.
- PKI‑neutral architecture compatible with certificates and components from any provider.
Benefits
- Saves time by automating repetitive signing tasks and enabling bulk signing.
- Ensures document authenticity, integrity, and long‑term verifiability.
- Eliminates manual processes and reduces operational workload.
- Enhances security through encryption, advanced signature standards, and certificate flexibility.
- Improves payment and processing cycles by allowing early processing of digitally signed invoices.
- Reduces errors and enhances compliance with timestamping and validation features.
- Offers user‑friendly workflows suitable for both technical and non‑technical users.