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SHAKE-256 (XOF)

SHA-3 extendable-output function with a chosen length.

Runs locally in your browser. Your data is never uploaded.

What is the SHAKE-256 (XOF)?

SHA-3 extendable-output function with a chosen length. The SHAKE-256 (XOF) is a free online tool that works instantly in your browser — no installation, no signup and nothing to upload. It sits alongside other Cryptography tools on DevNibble such as Hash Generator, MD5 Hash Generator, CRC32 Checksum.

How to use the SHAKE-256 (XOF)

  1. Paste or type your input.
  2. The result appears instantly.
  3. Copy or download it.

Features

  • Runs 100% in your browser — your data is never uploaded or stored.
  • Free forever, with no account, no ads and no tracking.
  • Copy or download your result in one click.
  • Fast and responsive on desktop, tablet and mobile.

Frequently asked questions

Is the SHAKE-256 (XOF) free to use?

Yes — SHAKE-256 (XOF) is completely free with no sign-up, no ads and no limit on how many times you can use it.

Is my data private when I use the SHAKE-256 (XOF)?

Everything happens locally in your browser. Your input is never sent to a server, which makes SHAKE-256 (XOF) safe to use with private or sensitive data.

How do I use the SHAKE-256 (XOF)?

Type or paste your text and the SHAKE-256 (XOF) value is computed instantly, right in your browser.

Can a SHAKE-256 (XOF) value be reversed back to the original?

No. SHAKE-256 (XOF) is a one-way function — the original input cannot be recovered from the output, which is why it is used for integrity checks and fingerprints. For storing passwords, use a slow KDF such as bcrypt or Argon2 instead.