Cryptography

PBKDF2 Key Derivation

Derive a key from a password with PBKDF2-SHA-256/512, salt, and iteration count. Educational interoperability tool—not account-storage guidance.

Runs entirely in your browser; input is not sent to our servers.

Messages, keys, passwords, plaintext, ciphertext, and files are never stored in localStorage, history, or analytics payloads.

Secure

Password

Salt (Hex)

Use Generate salt or leave blank; blank salts are created on Run.

Iterations

Minimum 10,000. Default 600,000 for SHA-256 demos.

Output bits

PRF hash

128-bit Hex salt (leave blank to auto-generate on Run)

Salt (Hex)

Derived key (Hex)

Derived key (Base64)

Sources

More tools in Cryptography and popular picks.