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Software · Security & privacy

OneKeePass

OneKeePass is a password manager, available on Windows, macOS, Linux, Android and iOS: KeePass format compatibility, data encryption and attachments.

  • Completely free
  • Windows, macOS, Linux, Android and iOS
  • Open source

Overview

OneKeePass is a password manager, available on Windows, macOS, Linux, Android and iOS.

Features described in its Flathub listing, in its GitHub repository and on its official website: KeePass format compatibility, data encryption, attachments and autofill.

Overview written by LicitPro from the documentation published by the authors and the cited sources; we have not tried the resource ourselves.

Excerpts that establish this information
  • “Offline password manager” — Flathub, 10 November 2026
  • “It supports the KeePass-compatible database (Kdbx 4.x).” — GitHub, 10 November 2026
  • “All created database files are encrypted using the best and most secure encryption algorithms currently known (AES-256, ChaCha20).” — GitHub, 10 November 2026
  • “File attachments, and custom icons for entries and groups” — Flathub, 10 November 2026
  • “Connect the OneKeePass browser extension for password autofill and passkey registration and authentication” — official website, 10 November 2026

At a glance

All of OneKeePass is free: no feature is locked behind a paid plan, and its code is open.

Its licence (GPL-3.0+) is a copyleft open source licence: you may use, study, modify and redistribute it, including commercially; modified versions must keep the same licence.

Strengths

  • Open source code
  • Commercial use allowed

About

OneKeePass keeps your passwords and other sensitive information in a single encrypted KeePass-compatible database file (KDBX 4). The file stays yours: keep it on your computer, on a USB drive, or on cloud storage you already use. Everything happens on your own machine. There is no account to create, no server to trust and no telemetry. Databases are encrypted with AES-256 or ChaCha20 and unlocked with a master password, a key file, or both. Features: Entries organised by type, category, tag or the standard group tree Custom entry types and any number of custom fields, grouped into sections Built-in entry types for SSH keys, identities, passports and driver licences Time-based one-time passwords (TOTP) with a live countdown Password and diceware passphrase generator File attachments, and custom icons for entries and groups Open databases directly over SFTP or WebDAV, without a third-party sync tool Import CSV exports from Bitwarden, 1Password, LastPass and others Merge databases, clone entries, and work with several databases at once

Description from Flathub — AppStream (Flathub)

Sources and checks

  • Facts collected from Flathub (credit card, source code, publisher, licence, free status, platforms, commercial use, version) —
  • Facts collected from Unspecified source (platforms) —
  • Facts collected from Official plan pages (pricing, licence, terms) (commercial use) —
  • Last technical check: 7 November 2026
  • Description from Flathub — AppStream (Flathub)

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