SHAKE256 Extendable-Output Function (XOF)

Calculate Keccak SHAKE256 extendable-output hash digests with standard 512-bit output length for enhanced collision resistance.

How It Works & Processing Standards

Calculate Keccak SHAKE256 extendable-output hash digests with standard 512-bit output length for enhanced collision resistance.

Your input data is never sent to any server and is securely processed on your device.

Current Limits

  • Maximum input length: 2,000,000 characters

SHAKE256 Extendable-Output Function (XOF) is a 100% free, browser-based online utility. All calculations and file conversions run locally inside your browser (Local-First) without sending data to remote servers, keeping your documents and inputs strictly private.

How to Use SHAKE256 Extendable-Output Function (XOF)

  1. 1
    Enter TextProvide the input message.
  2. 2
    Copy HashCopy the resulting SHAKE256 digest.

Common Use Cases

  • Post-quantum cryptographic algorithms (Kyber, Dilithium), PRNG seed expansion, and cryptographic protocols
Have feedback or ideas for this tool? Suggest & Inquire →