Password Hash Generator / Verifier (PBKDF2)

Generate and verify password hashes with PBKDF2 (Web Crypto API)

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Cryptography

Password

Hash Value

How to Use

Select mode
Choose "Generate" or "Verify" in the toolbar.
Enter password
For generation, enter a password. For verification, enter a password and an existing hash.
Run
Click "Convert" to generate or verify the hash. Iteration count can be changed in the toolbar.

Password Hash Generator / Verifier (PBKDF2) Examples

Generate a password hash

Input

password123

Output

pbkdf2:100000:base64salt:base64hash

A secure hash is generated with the selected iteration count and random salt.

Verify a hash

Input

password123

Output

Match: OK

Use verify mode to compare a password against an existing hash.

Features

PBKDF2-SHA-256 password hashing
Configurable iterations (10,000 / 100,000 / 600,000)
Auto-generated random salt (16 bytes)
Hash verification mode for password matching
Output format: algorithm:iterations:salt:hash
Local processing (your input is not sent to servers)
Dark mode support

FAQ

What is the difference between PBKDF2 and bcrypt?

PBKDF2 is an HMAC-based key derivation function natively supported by Web Crypto API. bcrypt is Blowfish-based and not memory-hard but has GPU resistance. Both can safely hash passwords with sufficient iterations.

How many iterations should I use?

OWASP recommends at least 600,000 iterations for PBKDF2-SHA-256. Choose based on the balance between server load and security. Generally 100,000 or more is recommended.

Is my data sent to a server?

No. All hashing is done locally in your browser using the Web Crypto API. Your passwords are never transmitted externally.