MD5, SHA-1, SHA-256, SHA-512 hash

Hash text or files with MD5 and SHA algorithms in the browser.

Runs on your deviceFreeNo account

How to use Hash generator

Type text or choose a file. Hashes appear instantly. Compare against a published checksum to confirm a download is intact. Do not use MD5 for security — it is collision-prone and included only for compatibility.

Generate checksums to verify downloads and store password-adjacent tokens. SHA-256 and SHA-512 use Web Crypto; MD5 is provided for legacy checksums only.

Also searched as md5 hash, sha256, checksum, hash generator. All processing for this tool happens in your tab unless labeled otherwise.

Questions

Is hashing reversible?

No. Hashes are one-way. Use Base64 if you need to reverse an encoding.

File checksums?

Yes. The whole file is read locally and hashed.

HMAC?

Not in this tool. Use a dedicated HMAC utility if you need a keyed hash.

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