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SHA-3 hash
Crypto and hashing
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All processing for this tool happens in your browser. Your input is not sent to a server.
About this tool
A browser-local sha-3 hash utility. Compute a FIPS 202 SHA-3 digest locally.
Common uses
- Choose among SHA3-224, SHA3-256, SHA3-384, and SHA3-512 digest lengths.
- Compute a FIPS 202 digest for testing or checking a standards-based implementation.
How to use it
- 1.Choose a SHA-3 variant and enter or paste UTF-8 text.
- 2.Click Compute, then review or copy the lowercase hexadecimal digest.
Limits and notes
- Each input is limited to 1 MiB; this implements FIPS 202 SHA-3, not non-standard Keccak variants.
Frequently asked questions
Is the input uploaded to a server?
No. The text is processed only in the current browser.
Is SHA-3 the same as Keccak?
Not exactly. This tool uses the FIPS 202 SHA-3 domain separation and does not provide non-standard Keccak variants.