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Password policy tester

Run example passwords through a draft policy and see exactly which rule rejects each one, contradictions included.

Edit the policy or the examples, then press Test the policy.

Each verdict names the exact rule that rejected the password, so a contradictory policy shows itself as a good password failing for a bad reason. Character classes are ASCII only: uppercase, lowercase, digits, and anything else that is not a space counts as a symbol. The presets are starting points; every field stays editable.
OptionsTest the policy

More hashing & encryption tools

- Password strength (/crypto/password-strength)
- bcrypt (/crypto/bcrypt)
- Argon2id hasher (/crypto/argon2)
All hashing & encryption tools (/crypto)

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Canonical HTML: https://nutter.tools/crypto/password-policy-tester
Markdown version: https://nutter.tools/crypto/password-policy-tester.md
Plain-text version: https://nutter.tools/crypto/password-policy-tester.txt
Agent index: https://nutter.tools/llms.txt