The official and latest version is always available here: https://github.com/varjolintu/keepassxc-browser https://github.com/varjolintu/keepassxc-browser Firef

The official and latest version is always available here: https://github.com/varjolintu/keepassxc-browser https://github.com/varjolintu/keepassxc-browser Firefox Nightly (version 56) is also supported. The extension will work officially when Mozilla releases build 57.