PBKDF2 key derivation
Derive a 256-bit key from a password and salt using PBKDF2-HMAC-SHA-256.
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PBKDF2 key derivation — workspace
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How to use: PBKDF2 key derivation
Start with the example, or replace it with your own values.
Review Password, Salt (text), Iterations, then select “Get result”.
Read the result, then copy or download it. Edit any input to try again.
What you can do
- Derive a 256-bit key from a password and salt using PBKDF2-HMAC-SHA-256.
What you get
- A result you can review, copy or download. Numeric tools show labeled calculations; text tools show the transformed output.
What you need
- Password
- Enter your own value; public example credentials must not be used as real secrets.
- Salt (text)
- Enter or paste your value, or start with the example.
- Iterations
- Enter a whole number (100000–1000000).
Try an example
- Salt (text)
example-salt-change-me
- Iterations
600000
Good to know
- PBKDF2-HMAC-SHA-256, 256-bit output. Use a unique random salt in real systems.
- Examples are public demonstrations. Replace example passwords and keys before using an output for a real purpose.
Your work stays on your device
Your files and entered values are processed in your browser and are not uploaded for processing. The website and any required processing engines still download from the site.
Questions & answers
Is PBKDF2 key derivation free?
Yes. PBKDF2 key derivation is free to use and does not require an account.
Are my files or entered values uploaded?
Your files and entered values are processed in your browser and are not uploaded for processing. The website and any required processing engines still download from the site.
What result can I save?
A result you can review, copy or download. Numeric tools show labeled calculations; text tools show the transformed output.
What should I check before using the result?
PBKDF2-HMAC-SHA-256, 256-bit output. Use a unique random salt in real systems. Examples are public demonstrations. Replace example passwords and keys before using an output for a real purpose.