# KeePassDX - **Name:** KeePassDX - **Full title:** KeePassDX: Biometric Secure Password Manager - **Version:** 4.5.2 - **Developer:** Kunzisoft (Open Source) - **License:** Open Source - **Platform:** Android - **Requires:** Android 5.0+ - **File type:** APK - **Size:** 15.97 MB - **Category:** Tools & Utilities - **Updated:** 2026-08-31T12:28:44Z - **SHA-256:** 661a5d0008bec7ed4e3b2051d5013e584295e432916d89143d0c8622fb81300b - **Canonical page:** https://filecobra.com/app/keepassdx-password-manager-apk/ - **Download page:** https://filecobra.com/download/keepassdx-password-manager-apk/ - **Direct download:** https://dl.filecobra.com/releases/android/keepassdx-password-manager-apk/4.5.2/sha256-661a5d0008be/KeePassDX-4.5.2-free.apk KeePassDX is the premier, enterprise-grade free and open-source password manager, cryptographic credential vault, and TOTP authenticator developed by Jeremy Quentin (J ببK) for Android smartphones, tablets, and security professionals. Engineered to deliver uncompromised digital sovereignty, KeePassDX operates natively with standard **KeePass KDBX 3.1 and KDBX 4 database formats**—featuring military-grade cryptographic ciphers (AES-256, ChaCha20, Twofish), Argon2id key derivation, Magikeyboard secure input to prevent clipboard sniffing, hardware YubiKey 2FA challenge-response, Android Autofill framework integration, and a gorgeous Material Design interface with zero internet permissions. --- ## 🌟 Core Architecture & Engineering Highlights KeePassDX is engineered from the ground up to provide maximum cryptographic resistance against brute-force attacks and mobile memory extraction. ### Native KDBX 4 Format & Cryptographic Cipher Suite KeePassDX reads and writes uncompromised standard **KDBX 4 password database files**. Your entire credential database—including usernames, passwords, custom fields, file attachments, and notes—is encrypted using industry-standard symmetric ciphers: **AES-256, ChaCha20, or Twofish**. Key derivation is fortified using modern memory-hard algorithms (**Argon2d, Argon2id, and AES-KDF**) that render GPU and ASIC-accelerated password cracking mathematically infeasible. ### Magikeyboard & Android Autofill Service Prevent malicious background apps from logging your passwords. KeePassDX integrates an innovative **Magikeyboard virtual keyboard**: instead of copying passwords to the Android system clipboard (where snooping apps can read them), Magikeyboard types credentials directly into input fields. It also features full native support for the **Android Autofill Framework** for seamless 1-tap browser and app logins. ### Hardware Security Keys (YubiKey NFC / USB-C Challenge-Response) For high-security operations, KeePassDX supports **YubiKey and OnlyKey hardware security keys** via USB-C or NFC (Near Field Communication). Using HMAC-SHA1 challenge-response authentication, unlocking your password database requires physical possession of your hardware security key alongside your master passphrase. --- ## ⚙️ Key Capabilities & Workflow Features KeePassDX delivers an exhaustive set of security management and productivity tools. ### 1. 100% Offline Architecture & Cloud Freedom KeePassDX contains **ZERO internet permissions** in its package manifest. You maintain 100% control over where your `.kdbx` vault file is stored: keep it strictly on device storage, or synchronize it across PC and mobile using decentralized tools like Syncthing, Nextcloud, or WebDAV. ### 2. Integrated TOTP Two-Factor Authenticator Consolidate your authenticator apps into one secure vault. KeePassDX includes an integrated **Time-Based One-Time Password (TOTP)** token generator, displaying 6-digit 2FA codes with auto-copy and countdown timers. ### 3. Advanced Password & Passphrase Generator Generate cryptographically strong credentials: create complex random alphanumeric passwords, customizable hex strings, or memorable multi-word **Diceware passphrases** tailored to specific website password policies. ### 4. Biometric Quick Unlock & RAM Scrubbing Unlock your vault instantly using your smartphone's biometric fingerprint or face authentication. Sensitive cryptographic keys are automatically purged from active RAM when the app is minimized or after a configurable inactivity timeout. --- ## 🚀 Performance Benchmarks & Resource Impact Benchmarking KeePassDX cryptographic security and memory footprint against commercial password vaults on an Android 14 device: | Benchmark Dimension | KeePassDX v4.0 (FOSS) | LastPass | Bitwarden | | :--- | :--- | :--- | :--- | | **Vault Storage Model** | **100% Local / Self-Hosted** | Proprietary Cloud | Self-Hosted / Cloud | | **Internet Permissions Declared** | **0.0% (Zero Network Code)** | Mandatory Cloud Sync | Cloud Sync Enabled | | **Hardware Key (YubiKey Challenge)**| **Native NFC & USB-C** | Premium Subscription | Premium Subscription | | **Anti-Clipboard Magikeyboard** | **Yes (Direct Key Injection)** | None (Clipboard Copy) | Clipboard Auto-Clear | | **Key Derivation Function (KDF)** | **Argon2id (Memory-Hard)** | PBKDF2 (Vulnerable) | Argon2id / PBKDF2 | | **Subscription Cost / Paywalls** | **100% Free Open Source** | $36.00 / Year | Free / $10/yr Premium | --- ## 📊 Comprehensive Head-to-Head Comparison Matrix | Evaluation Dimension | KeePassDX (FileCobra) | KeePass2Android | 1Password Mobile | | :--- | :--- | :--- | :--- | | **User Interface Framework** | **Modern Material Design** | Classic Legacy Android | Modern Proprietary | | **Internet Access Code** | **Zero Network Permissions** | Built-in Cloud Sync | Cloud Required | | **Biometric Quick Unlock** | **Native BiometricPrompt** | Biometric Unlock | Biometric Unlock | | **Entry File Attachments** | **Encrypted in KDBX** | Encrypted in KDBX | Cloud Attachments | | **Multi-Database Management** | **Yes (Open Multiple KDBX)** | Single Active Database | Multi-Vault | | **License Type** | **GNU GPLv3 (100% Free FOSS)**| GNU GPLv2 | Proprietary Paid | --- ## 📋 Technical Hardware & System Requirements KeePassDX is optimized for all modern Android smartphones and tablets: | Hardware Component | Minimum System Requirement | Recommended Performance Spec | | :--- | :--- | :--- | | **Operating System** | Android 5.0 (Lollipop) or higher | Android 11 / 12 / 13 / 14 / 15 | | **Processor (CPU)** | ARMv7 / ARM64 / x86 / x86_64 Processor | Modern Quad-Core or Octa-Core Processor | | **Security Hardware (Optional)**| Biometric Fingerprint Sensor | YubiKey 5 Series (NFC / USB-C) for Hardware 2FA | | **System Memory (RAM)** | 1 GB RAM | 2 GB+ RAM | | **Storage Space** | 20 MB free disk space | High-Speed Internal Storage | --- ## 🛠️ Step-by-Step Installation & Quick Setup Guide Follow this guide to install and configure KeePassDX on Android: ### 1. Downloading and Installing KeePassDX 1. Download the verified KeePassDX APK package (`keepassdx-password-manager-v4.x.x.apk`) from FileCobra. 2. Tap the file to install and open KeePassDX. ### 2. Creating or Opening a KDBX Database 1. Tap **Create Database** (or **Open Database** if migrating from PC KeePass/KeePassXC). 2. Set a strong Master Passphrase and select **Argon2id** for maximum cryptographic protection. ### 3. Enabling Biometric Unlock & Autofill 1. In Settings, enable **Biometric Unlock** for instant fingerprint access. 2. Navigate to Android **Settings > System > Autofill service** and select **KeePassDX** for 1-tap browser logins! --- ## 🔒 Security, Privacy & Open-Source Integrity Analysis KeePassDX represents the gold standard in cryptographic integrity and privacy: - **100% Free & Open Source**: Licensed under GNU GPLv3 with complete public source code inspection on GitHub. - **Zero Internet Permissions**: Declares zero network access permissions; mathematically impossible to leak credentials. --- ## ❓ Frequently Asked Questions (FAQ) ### Is KeePassDX compatible with KeePassXC on Windows, Mac, and Linux? Yes! KeePassDX uses standard `.kdbx` (KDBX 3.1 / KDBX 4) database files, allowing you to seamlessly share and synchronize your password vault across Android, Windows, macOS, and Linux. ### Does KeePassDX have access to the internet? No! KeePassDX contains zero internet permissions in its package manifest. Your credentials are saved strictly locally on your phone or synced via your own cloud tools (like Syncthing or Nextcloud). ### What is Magikeyboard in KeePassDX? Magikeyboard is a dedicated virtual keyboard included with KeePassDX that allows you to type your usernames, passwords, and TOTP codes directly into apps without copying them to the system clipboard. ## Installation 1. **Download APK** — Download the official verified APK file directly to your device. 2. **Allow Unknown Sources** — Enable "Install Unknown Apps" in your Android Settings if prompted. 3. **Install & Enjoy** — Tap the downloaded APK notification to install and launch the app. ## Editorial verdict KeePassDX is an essential Android utility that excels in daily efficiency, workflow automation, and reliable execution without bloat. ### Strengths - Zero-Knowledge KDBX3 & KDBX4 Vaults. - Biometric Fingerprint & Face Unlock optimized for Android. ### Trade-offs - Requires storage permissions to manage and access local file directories. ## FAQ **Is KeePassDX compatible with KeePassXC on Windows, Mac, and Linux?** Yes! KeePassDX uses standard .kdbx (KDBX 3.1 / KDBX 4) database files, allowing you to seamlessly share and synchronize your password vault across Android, Windows, macOS, and Linux. **Does KeePassDX have access to the internet?** No! KeePassDX contains zero internet permissions in its package manifest. Your credentials are saved strictly locally on your phone or synced via your own cloud tools (like Syncthing or Nextcloud). **What is Magikeyboard in KeePassDX?** Magikeyboard is a dedicated virtual keyboard included with KeePassDX that allows you to type your usernames, passwords, and TOTP codes directly into apps without copying them to the system clipboard. --- Source: https://filecobra.com/app/keepassdx-password-manager-apk/ · Mirrored from the publisher's own release channel by FileCobra. FileCobra runs no antivirus lab of its own.