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About Shake256 Hash Generator Online
SHAKE-256 is an Extendable-Output Function (XOF) from the SHA-3 family. Unlike fixed-length hash functions, it can produce a digest of any desired length. This tool uses the standard 256-bit output. SHAKE-256 is suitable for key derivation, mask generation, and any application requiring variable-length output from a secure sponge function.
Use this tool to quickly compute a SHAKE-256 hash for any text string. Enter your input, run the tool, and copy the hexadecimal digest. You can switch between lower-case and upper-case hex output to match the convention expected by your system.
How to use this tool
How to generate a SHAKE-256 hash
Enter your text
Paste or type any plain text into the Text field — up to 200,000 characters. This is the string that will be hashed using the SHAKE-256 algorithm.
Choose hex case
Select lower case (a–f, the default) or UPPER CASE (A–F) for the hexadecimal output. Both are valid — choose based on what your downstream system expects.
Run and copy the hash
Press Run. The SHAKE-256 hash is computed server-side and returned as a hexadecimal string. Click Copy to grab it. SHAKE-256 is an extendable-output function (XOF) from the SHA-3 family. It can produce any digest length; this tool uses the default 256-bit output.
Verify or compare
To verify a file's integrity, hash it as text and compare the output to the published checksum. To check two strings are equal without revealing the originals, hash both and compare the digests — identical digests mean identical inputs.