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Two privacy & security tools, side-by-side. See which fits your task.
Privacy & Security
Generate SHA256 hash of any text. Instant, browser-side, copy output.
Open sha256 textPrivacy & Security
HMAC-SHA3-256 signing — message + key, copyable output.
Open sha3-256 HMACYour specific task is generate sha256 hash of any text. Open the page, drop your input, get the result — typically under a second.
Your goal is hmac-sha3-256 signing — message + key, copyable output. Same approach: paste in, get the result, move on. No account, no upload.
Both tools live in the same category, so the choice depends on the exact subtask. sha256 text focuses on generate sha256 hash of any text; sha3-256 HMAC focuses on hmac-sha3-256 signing — message + key, copyable output. Try whichever description matches your goal more closely — they're both free.
Yes — both tools are free for unlimited personal use. The Pro plan unlocks higher limits and batch features but the core functionality stays free forever.
Absolutely. Many users chain multiple tools together — process a file with one, then feed the result into another. Nothing is uploaded, so chaining is essentially instant.
No. Both sha256 text and sha3-256 HMAC work without signup. We only ask for an email if you decide to subscribe to a paid plan.