Runs in your browser only. No uploads.
About SHA-3
SHA-3 (Keccak) is a NIST-standardized hash family based on the sponge construction. It complements SHA-2; both are considered secure. Variants include 224/256/384/512-bit outputs.
Security Notes
Like SHA-2, SHA-3 is fast. For password hashing, prefer slow, salted KDFs (bcrypt, scrypt, Argon2, PBKDF2).
SHA-3 (Keccak) hash generator online free, no upload (FAQs)
FAQs
- Is SHA-3 better than SHA-2?
- Both are considered secure. Choice depends on performance, hardware, and ecosystem.
- What is the sponge construction?
- A structure absorbing input and squeezing output, underpinning Keccak/SHA-3.
- Does this tool upload my data?
- No. Everything runs locally in your browser.