SHA-512 hash
SHA-512 hash text in your browser. Whole paste or one digest per line. Nothing is uploaded.
Paste text, then Hash. UTF-8 SHA-512.
How to use the SHA-512 hash
- Paste the text.
- Hash the whole paste or each line.
- Copy the 128-character hex digest.
Longer digest
SHA-512 is a 512-bit digest. Use it when a spec names SHA-512. For advertising email lists, platforms document SHA-256, not SHA-512.
Nothing is uploaded
Web Crypto locally. 1.5 MB / 50,000 lines.
SHA-512 hash FAQ
Hex length?
128 hex characters.
HMAC?
This page is a plain digest, not HMAC. The email hash tool can HMAC-SHA-256 with a secret you type in the tab.