PBKDF2 Hash Generator
Generate PBKDF2 hashes with 10,000 iterations of SHA-256 for password storage simulation. Tune iterations to hardware — slower hashes resist brute force — free, local, no signup.
How to Use the PBKDF2 Hash Generator
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Generate password hashes using PBKDF2-SHA256 with 600,000 iterations for secure password storage. Code never leaves your device — formatting and validation run locally in your browser.
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Frequently Asked Questions
What is PBKDF2?
PBKDF2 (Password-Based Key Derivation Function 2) derives a cryptographic key from a password using repeated hashing. It's designed to slow brute-force attacks through high iteration counts.
Why 10,000 iterations?
10,000 iterations provides a balance between security and performance. Modern standards recommend higher counts (100,000+), but 10,000 is suitable for password storage simulation.
Can I change the iteration count?
The default is 10,000 iterations for password storage simulation. Higher iteration counts increase security but slow down generation. The tool uses fixed 10,000 for simulation.
What's the output format?
The hash is displayed as a hex-encoded string. The tool shows the derived key along with the salt used (randomly generated if not provided).
Is my password uploaded?
No. All hashing happens locally in your browser using the Web Crypto API. No password or hash data is transmitted.
What exactly is in the output string?
The literal prefix $2a$10$, then base64 of a fresh 16-byte random salt, then $ plus the first 53 hex chars of the 256-bit PBKDF2-SHA-256 deriveBits at 10000 iterations. It downloads as pbkdf2-hash.txt.
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Generate password hashes using PBKDF2-SHA256 with 600,000 iterations for secure password storage. Code never leaves your device — formatting and validation run locally in your browser.
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Last updated October 2026