Linux · Utilities
Kleopatra
Certificate manager and cryptography app
by KDE
Official site: flathub.org
About Kleopatra
Kleopatra is an open-source certificate manager and graphical front-end for
cryptographic services, primarily designed to handle OpenPGP and S/MIME (X.509)
certificates. Part of the KDE ecosystem, it provides an accessible interface
for managing encryption keys, signing and verifying data, and encrypting or
decrypting files and emails.
How to install Kleopatra
- Click Download — the developer's official website opens in a new tab.
- Download the latest version there and run it. Choose Custom/Advanced where offered, and skip any bundled extras.
- Prefer the command line? With Flatpak you can install and update it with: flatpak install flathub org.kde.kleopatra
- Open Kleopatra once it finishes installing.
Frequently asked questions
Is Kleopatra free to download?
Yes. The Download button sends you to flathub.org, the developer's official site, where Kleopatra is available to download. Flatnic doesn't host or modify any files.
How do I install Kleopatra from the command line?
With Flatpak, run: flatpak install flathub org.kde.kleopatra. This installs it from the official source and keeps it updated.
Is Kleopatra safe?
Kleopatra downloads directly from the developer. As always, scan the installer with your antivirus and choose Custom setup to skip any bundled extras.
