Werkery

Password Strength Checker

Check the strength of any password offline. Shows entropy in bits, crack-time estimate, character composition. 100% client-side — your password never leaves the page.

Tool by ·
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How it works

  1. 1
    Type password
    Up to 200 chars.
  2. 2
    Read entropy
    Bits + verdict.

Frequently asked

Do you check against known breaches?

No — that would require a server roundtrip. Use 'haveibeenpwned.com' for breach lookups. This tool measures intrinsic strength only.

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Tool designed and editorially reviewed by Felix Brübach. Text drafted with AI assistance and reviewed for legal and factual accuracy before publication. Not legal advice — for complex cases, consult a lawyer.
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