Zero-Knowledge Encryption

Your secrets,
your control.

A secure, cross-platform password manager with military-grade encryption. Store passwords, API keys, SSH keys, and more — all locally on your device.

AES-256 Encryption
Zero Knowledge
100% Offline
KeyNest
Unlocked
GitHub
github.com
OpenAI API
Production
PostgreSQL Prod
db.example.com

Everything you need to stay secure

KeyNest is packed with features to keep your sensitive data safe and organized.

Military-Grade Encryption

AES-256-GCM with Argon2id key derivation. Your data is encrypted with the same standards used by governments.

10 Secret Types

Passwords, API keys, SSH keys, certificates, connection strings, credit cards, and more — each with specialized fields.

Cross-Platform

Native apps for Windows, macOS, iOS, and Android. Plus a web version for anywhere access.

100% Offline

Your vault never leaves your device. No cloud sync, no third-party servers, no subscriptions.

Auto-Lock

Vault automatically locks after 5 minutes of inactivity. Clipboard clears after 20 seconds.

Backup & Export

One-click backups with automatic safety backups. Export encrypted vaults for secure sharing.

Built for developers

More than just passwords. Store all your sensitive credentials with specialized fields.

Passwords
API Keys
Connections
SSH Keys
Certificates
Licenses
WiFi
Cards
Secure Notes
Env Vars

Security you can trust

KeyNest uses a defense-in-depth approach with multiple layers of encryption to protect your data.

Zero-Knowledge Architecture

Your master password is never stored. We can't access your data — only you can.

Argon2id Key Derivation

Memory-hard algorithm (32MB, 3 iterations) resistant to GPU and ASIC attacks.

Per-Field Encryption

Each field encrypted separately with unique nonces and authentication tags.

Memory Protection

Keys cleared from memory on lock. No sensitive data ever logged.

MASTER PASSWORD
Never Stored
KEY DERIVATION
Argon2id (32MB, 3 iter)
DATA ENCRYPTION KEY
AES-256-GCM Wrapped
YOUR SECRETS
Per-Field AES-256-GCM + AAD

How we compare

See how KeyNest stacks up against other popular password managers.

Feature KeyNest KeePass Bitwarden 1Password
Price Free Free Free / $10/yr $36/yr
Open Source
Local Storage Optional
Native Apps Ports
Secret Types 10 Types Basic Basic Basic
Modern UI
Key Derivation Argon2id AES-KDF PBKDF2 PBKDF2

Ready to take control?

Download KeyNest free for your platform. No account required, no subscription needed.