Security & Crypto Tools
Hash Identifier
Identify likely hash algorithms from a digest's length.
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What is Hash Identify?
A hash fingerprint helper: it guesses the algorithm family from the digest's hex length, since each family has a fixed size.
How it works
The input is normalized to hex and matched against known digest lengths; matches are listed with a note that this is a heuristic, not proof.
- Enter your input. Type or paste your input into the field above — the tool responds instantly.
- Review the result. Output updates live as you type. Everything runs entirely in your browser.
- Copy or download. Use the Copy button to grab the result, or Download to save it as a file.
Examples
Realistic sample
Paste or type any realistic input — the tool computes the result locally and instantly.
Common mistakes
Expecting a server round-trip
Nothing is uploaded — every tool in this category runs entirely in your browser.
Frequently asked questions
Can length alone prove the algorithm?
No. Many algorithms share lengths (e.g. SHA-256 and BLAKE2s are both 64 hex chars), so treat the result as a candidate list, not a verdict.