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SHA-512 hash generator
Calculate the SHA-512 hash of text online, free. You get the 128-character hex digest, the longest of the SHA-2 family here. The other hashes are listed with it, and nothing is uploaded.
How to calculate a SHA-512 hash online
- 1Type or paste your text, or drop a text file
- 2Read the hash in the list as you type
- 3Press the copy button, or choose Uppercase
- A 128-character SHA-512 digest, in hex.
What happens to your data
- Nothing is uploaded.The hash is calculated in your browser. Your text and files stay on your device.
- The longest digest.128 hex characters, 512 bits, with the biggest safety margin.
- Other hashes included.SHA-256, SHA-384 and more appear in the same list.
What you can do
- Get the SHA-512 of any text, updated as you type.
- Show the digest in capitals with "Uppercase".
- Add an HMAC key to see HMAC-SHA-512 next to it.
- Drop a file on the "File checksum" tab to get its SHA-512, and paste a published value to compare.
Good to know
- SHA-512 is secure for integrity and signatures, and on 64-bit computers it is often as fast as SHA-256.
- Like all plain SHA-2 hashes it is too fast for passwords. Use bcrypt or Argon2.
- The text is hashed as UTF-8, exactly as typed. Even one extra space gives a different digest.
Questions
What is SHA-512?
A SHA-2 hash function that turns data into a 512-bit fingerprint, written as 128 hex characters.
Is SHA-512 better than SHA-256?
It is longer, not necessarily more useful. Both are secure. Choose the one the other side expects.
How long is a SHA-512 hash?
128 hex characters, or 64 bytes.
Can I hash a file with SHA-512?
Yes. Open the "File checksum" tab and drop the file. All hashes appear, SHA-512 among them.