Free local tool

Passphrasen-Stärkeprüfer

Estimate length and word variety without sending the phrase to a server. This is educational feedback, not a guarantee.

Enter a test passphrase

Nothing is stored by this page. Avoid testing a real master secret on any website you do not fully trust.

So funktioniert die Einschätzung

The checker looks at length, apparent word count, repetition, and basic variety. It does not know whether your phrase appears in a breach list, quotation database, or attacker dictionary. A long famous sentence can still be predictable.

Bessere Passphrasen-Gewohnheiten

Choose several unrelated concepts privately.
Avoid personal facts and public quotations.
Use a unique phrase for the generator.
Keep an offline recovery plan appropriate to your situation.

About the author

Savvas Katsikas created Kardix and writes about practical password security, local-first tools, and deterministic generation trade-offs.

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