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Master Key

A password manager application Source


Master Key is a password manager application that generates and manages passwords without the need to store them


  • Passwords are generated using a combination of a master key, a site and a login
  • Passwords are never stored
  • Passwords can be recreated everywhere
  • The accounts information is encrypted
  • Follows the GNOME Human Interface Guidelines



Ported to GTK4 with 1.2.0, used GTK3/libadwaita before.

Project links: Links to (pages with) screenshots:


Mobile Fit: 5

Perfect - this app fits your phone screen just fine out of the box and works nicely with touch input!

Project status: mature

This project has been in development for a long time and is usually well beyond its 1.0 release. It should work fine.



Is this app packaged for my distribution?

green: current and packaged,
red: packaged, but not current, ratings and other details may not apply.

Packaging status

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Get it on Flathub!

Build and install your own flatpak: https://gitlab.com/guillermop/master-key/-/raw/master/com.gitlab.guillermop.MasterKey.json

If you're lucky*, you can install this app by just hitting this button:


* You need to have an appstream:// handler, e.g., GNOME Software or KDE Discover, installed and the app needs to be available in a configured software repository, more details.

Find similar apps

By Category: password generator

By FreeDesktop-(Additional-)Category: GTK GNOME Utility

Licensing and technical details

License: GPL-3.0-or-later Metadata: CC0-1.0

Frameworks: GTK4 libadwaita

Programming languages: Python

Build system: meson

AppStream Metadata URL: https://gitlab.com/guillermop/master-key/-/raw/master/data/com.gitlab.guillermop.MasterKey.metainfo.xml.in.in