Password Strength Checker
Measure entropy, detect patterns and estimate offline crack time — locally.
Processed locallyRuns in your browserNo account required
Browser-based processing: Your files are processed locally in your browser and are not uploaded during processing.
Frequently asked questions
- Never. Every calculation runs in your browser; there is no network request of any kind on this page.
- From the effective search space and a conservative 10 billion guesses/second offline GPU attack against a fast hash.
- Length alone is not enough — dictionary words, keyboard runs, dates and repeats collapse the real search space dramatically.
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