PBKDF2 Key Derivation Function
Derive keys with PBKDF2-HMAC-SHA256/512. Configurable iterations & length. 100% client-side.
No uploads. No account. Free to use.
PBKDF2-HMAC-SHA-256.
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- Files never leave your device
- Runs entirely in your browser
- No signup required
- Free
What is PBKDF2 Key Derivation Function?
PBKDF2 remains the baseline password-based key derivation function in many standards. Generate derived keys safely in your browser.
Key features
- HMAC-SHA256 / SHA-512
- iterations
- salt
- output length
- client-side Web Crypto.
How to use it
- Password + salt + params
- derived key (hex/Base64).
When to use it
Test parameters or generate keys without exposing secrets.
Frequently asked questions
Recommended iterations?
600k+ for SHA-256 in 2026 (check current OWASP). Uploaded? Never.
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