Question 1

How does hash type detection work?

Accepted Answer

Hash algorithms produce output of fixed length using a specific alphabet (usually hex). This tool inspects the length and character set of your string and matches it against the signatures of known hash algorithms.

Question 2

Can it always tell the exact algorithm?

Accepted Answer

No. Some algorithms share the same output length (for example MD5 and NTLM are both 32 hex chars). When multiple algorithms match, all possibilities are listed so you can verify by other means.

Question 3

Is my hash data sent anywhere?

Accepted Answer

No. The detection runs entirely in your browser. Your hash string is never uploaded, logged or stored.

Question 4

What's the difference between MD5 and NTLM?

Accepted Answer

Both produce 32 hex character outputs. MD5 is a general cryptographic hash, while NTLM is Microsoft's password hash. Without context, length-based detection cannot distinguish them — try the original source or file format for clues.