wikiKeePassXC password manager
KeePassXC is an open source password manager for Windows, Linux, BSD and Mac OS that uses the KeePass 2.x (.kdbx) data file format for safing passwords. Such a data file format can also be used with other systems, for example with KeePassDX (open source password manager for Android) when the file is copied there.
Safety
KeePassXC does not perform a synchronisation about cloud providers. All passwords remain on your own computer (unless you manually copy or sync the .kdbx database file, for example, to your smartphone).
Cloud-specific security vulnerabilities in cloud-based password managers, such as those published by ETH Zurich in February 2026 for three cloud solutions,[1] cannot occur due to the architecture.
Furthermore, the BSI also provides more information on the safety of passwort managers.[2]
Installation
KeePassXC is available for download on the KeePassXC website.[3] The installation is recommended via Flatpak package under Linux.
Under Linux Mint, KeePassXC can be installed via software manager (select Flatpak (Flathub) as source):
Setup
The following screenshots show the setup of KeePassXC:
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Click on "Create Database". -
Enter the database name and, optionally, a description. -
Leave the default database format as KDBX 4. -
Under "Advanced", you can change the encryption settings. -
Set master password. -
After clicking “Add additional protection...”, you can optionally configure a key file and a challenge-response mechanism. -
Specify the file name and folder for the database file. -
The database has been created. -
Click the "+" button to create a new password entry. -
Entry -
Advanced -
Icon -
Auto-Type -
Properties -
After setting all parameters, click "OK". -
The entry (for Mastodon in this example) has now been created. -
Right-clicking on the entry displays available actions -
When KeePassXC is closed and restarted, you must enter the master password. -
Once you enter the master password, the entries you created will be visible again.
More information
- KeePassXC Password Manager (keepassxc.org)
- Passkeys With KeePassXC - An Introduction (www.freiburg.linux.de, 17.09.2025) Lecture by Janek Bevendorff (KeePassXC Maintainer) at the Freiburger Linux User Group.
References
- ↑ news/2026/02/passwortmanager-offer-less-protection-than-promised.html Password managers offer less protection than promised (ethz.ch, February 16, 2026)
- ↑ Administrate passwords with a password manager (www.bsi.bund.de)
- ↑ Download KeePassXC (keepassxc.org)
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Author: Werner Fischer Werner Fischer, working in the Knowledge Transfer team at Thomas-Krenn, completed his studies of Computer and Media Security at FH Hagenberg in Austria. He is a regular speaker at many conferences like LinuxTag, OSMC, OSDC, LinuxCon, and author for various IT magazines. In his spare time he enjoys playing the piano and training for a good result at the annual Linz marathon relay.
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Translator: Alina Ranzinger Alina has been working at Thomas-Krenn.AG since 2024. After her training as multilingual business assistant, she got her job as assistant of the Product Management and is responsible for the translation of texts and for the organisation of the department.
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