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Two privacy & security tools, side-by-side. See which fits your task.
Privacy & Security
Compute BLAKE2B checksum of a file. Drag-and-drop, no upload to server.
Open blake2b filePrivacy & Security
HMAC-BLAKE2B signing — message + key, copyable output.
Open blake2b HMACYour specific task is compute blake2b checksum of a file. Open the page, drop your input, get the result — typically under a second.
Your goal is hmac-blake2b 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. blake2b file focuses on compute blake2b checksum of a file; blake2b HMAC focuses on hmac-blake2b 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 blake2b file and blake2b HMAC work without signup. We only ask for an email if you decide to subscribe to a paid plan.