The End Of
Trusting
The Cloud.
KeyPher is a zero-knowledge vault that handles all cryptography locally. We don't hold your keys. We don't see your data. We don't track your identity. Absolute privacy by structural design.
Sovereign Protocol
Zero-Knowledge Data Flow
Your data never transits the network in plaintext. The KeyPher client derives your keys from Argon2id and handles AES-256-GCM encryption natively before any bytes are transmitted to our servers.
Your Browser
[Plaintext JSON]
`{ password: "...", username: "..." }`
KeyPher Cloud
[VaultBlob]
IV: jYg8...
Payload: s9Fjd82Hks...
Tag: a9Lk...
Designed for Professionals
A unified, glassmorphic interface that puts your encrypted data at your fingertips without compromising structural integrity.
ProtonMail
john.doe@proton.me
AWS Root
admin@corp.io
Stripe
finance@corp.io
GitHub
johndoe
Cryptography First
We don't rely on "policies" to protect your data. We rely on math. If we get breached, your vault remains mathematically secure.
Argon2id Key Derivation
Your master password is exponentially stretched using Argon2id, the winner of the Password Hashing Competition, severely limiting brute-force and ASIC cracking attempts.
AES-256-GCM Encryption
Data is encrypted symmetrically with 256-bit Galios/Counter Mode, ensuring not just complete secrecy, but strict cryptographic authentication to prevent tampering.
Zero-Knowledge Architecture
Your encryption key never leaves your device. The cloud syncs only the resulting cryptographic blob. We cannot decrypt your data, even if compelled.
Threat-Resistant Isolation
By operating locally first, KeyPher is immune to server-side database breaches rendering your plaintext credentials exposed. The cloud is merely a dumb storage layer.
Built For Privacy Purists
Compare KeyPher against the industry giants. Most password managers force you into their cloud. We don't.
| Security / Stack | Our PickKeyPher | 1Password | Dashlane | NordPass | Bitwarden |
|---|---|---|---|---|---|
| Encryption Type | AES-256-GCM | AES-256-GCM | AES-256-GCM | XChaCha20 | AES-256-CBC |
| Key Derivation | Argon2id | PBKDF2 | Argon2d | Argon2 | PBKDF2/Argon2 |
| True Local-Only Capabilities | |||||
| No Forced Cloud Syntax | |||||
| Zero-Knowledge Sync | |||||
| Open Source UI/Core | |||||
| Base Price | Free | $2.99/mo | $3.33/mo | $1.49/mo | Free |
Take Back Control
Of Your Passwords.
Absolute privacy is built into the math. Drop the corporate clouds. Encrypt locally. Sync securely.