KDBX File Documentation

Overview

Feature Value
File Extension .kdbx
MIME Type application/x-keepass2
Primary Function Password Database Storage
Encryption Algorithms Supported AES (256-bit), ChaCha20, Twofish
Key Derivation Functions Argon2, AES-KDF
Database Structure Hierarchical (Groups and Entries)
Entry Attributes Title, Username, Password, URL, Notes, Custom Fields
Attachments Supports file attachments to entries
Compression GZIP
Database Locking Automatic locking on inactivity or minimization
Portability Cross-platform (Windows, macOS, Linux, iOS, Android)
Custom Icons Supports custom icons for entries and groups
History Stores history of entries
Multi-User Support Support for multi-user access through file sharing
Search Functionality Advanced search capabilities
Security Master password, Key file, Windows User Account
Plugins and Extensions Extensive support for plugins and extensions
Open Source Yes
Licensing GNU GPL v2
User Interface Graphical and Command Line
Auto-Type Feature Automatically fills in login forms