Flatnic

Linux · Office & Productivity

JSignPdf

Add digital signatures to PDF documents

by JSignPdf Project

Download

Official site: flathub.org

About JSignPdf

JSignPdf is a free, open source application that adds digital signatures to PDF documents. It supports visible and hidden signatures, certificate levels, timestamping, and batch processing from the command line.

Features:

Visible and hidden digital signatures

Certificate levels and timestamping (TSA)

PDF encryption and rights management

Certificate revocation checks (CRL, OCSP)

Command-line batch processing

PKCS#11 hardware token support

How to install JSignPdf

  1. Click Download — the developer's official website opens in a new tab.
  2. Download the latest version there and run it. Choose Custom/Advanced where offered, and skip any bundled extras.
  3. Prefer the command line? With Flatpak you can install and update it with: flatpak install flathub io.github.intoolswetrust.JSignPdf
  4. Open JSignPdf once it finishes installing.
How to install Linux apps with Flatpak

Frequently asked questions

Is JSignPdf free to download?

Yes. The Download button sends you to flathub.org, the developer's official site, where JSignPdf is available to download. Flatnic doesn't host or modify any files.

How do I install JSignPdf from the command line?

With Flatpak, run: flatpak install flathub io.github.intoolswetrust.JSignPdf. This installs it from the official source and keeps it updated.

Is JSignPdf safe?

JSignPdf downloads directly from the developer. As always, scan the installer with your antivirus and choose Custom setup to skip any bundled extras.

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