Skip to content

Your Passwords & 2FA. Safe, Simple & Always Ready.

Store your passwords, auto-fill logins, and generate 2FA security codes—all protected with bank-level encryption on your device so only you have access.

DD Auth Vault
Encrypted Vault Locked

Google Account

user@gmail.com

849 201
2FA

GitHub

developer@duodev.in

•••••••••••• Password

Office Wi-Fi & Backup Keys

Encrypted Note • Updated 2 days ago

Protected Note
Android Mobile App Web Vault Instant Cloud Sync Password Auto-Fill 2FA Code Generator Fingerprint & Face Unlock Encrypted Notes Duo Dev Ecosystem
Android Mobile App Web Vault Instant Cloud Sync Password Auto-Fill 2FA Code Generator Fingerprint & Face Unlock Encrypted Notes Duo Dev Ecosystem

Everything You Need for Total Security

Built to make managing your online security fast, painless, and completely private.

Password Manager

Store all your passwords securely in one place. Auto-fill logins on websites and apps with a single tap.

Unlimited passwords & accounts

2FA Code Generator

Replace SMS verification codes with built-in 6-digit TOTP codes for Google, GitHub, Amazon, and more.

Live 30-second countdown timer

Biometric Unlock

Unlock your vault instantly using your phone's Fingerprint or Face ID. No need to re-type long passwords.

Instant & secure access

Secure Notes & Cards

Keep private Wi-Fi passwords, bank details, recovery keys, and sensitive documents safely encrypted.

Private notes & credit card vault

Seamless Device Sync

Your passwords automatically sync across Android and Web browser sessions so you're never stuck without a login.

Cross-device real-time sync

Offline Access & Export

Access your vault even without an active internet connection. Export or backup your data whenever you want.

You own 100% of your data
Zero-Knowledge Protection

Bank-Grade Encryption That Keeps You In Control

Your passwords are encrypted directly on your device before they ever touch the network. That means even we cannot see or read your saved data.

AES-256 Encryption

Industry-standard military grade encryption locks your data safely.

Your Master Key Stays Local

Only your master password can unlock your vault. No backdoors, no leak risks.

Protected Against Breaches

Even in the unlikely event of a server breach, your encrypted vault remains unreadable.

Local Encrypted Engine

status: Vault Locked & Secured

algorithm: AES-256-GCM + PBKDF2

key_storage: On-Device Encrypted Keyring

// Encrypted Data Payload

a8f9c2d1e4b70129a4387f61c29e01f4a7c... [VERIFIED SAFE]

Available Wherever You Need It

Access your secure vault seamlessly from your phone or any web browser.

Android Mobile App

Native Android app with instant fingerprint unlock, 2FA code generator, and offline vault access.

Get on Google Play

Web App & Browser Access

Access your passwords and credentials securely from Chrome, Firefox, Safari, Edge or any browser.

Open Web Vault

Loved by People Who Value Privacy

See why users choose DD Auth for their daily security needs.

"DD Auth made managing 2FA codes and passwords effortless. Fingerprint unlock on Android works instantly every single time."

David Chen

Android App User

"Having my 2FA authenticator and passwords synced safely between web and mobile saves me time every single day."

Sarah Jenkins

Web Vault User

Ready to Secure Your Passwords Today?

Join thousands of users who keep their accounts safe with DD Auth.

AES-256

Encryption

100%

Private Vault

Free

To Use