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Password Strength Checker

Check password strength, entropy, character variety, patterns, and practical ways to improve it.

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Privacy first

Everything happens locally in your browser. Your password is never submitted, saved, or transmitted.

For maximum privacy, test an example rather than an active password you currently use.

Overall rating
Start typing
0 / 100
Add a password to begin the check.
Length 0 characters
Estimated entropy 0 bits
Estimated resistance Not available
Character variety 0 of 4 groups
Breakdown

Hereโ€™s what we found

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Length

Use at least 16 characters when possible.

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Lowercase letters

No lowercase letters detected.

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Uppercase letters

No uppercase letters detected.

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Numbers

No numbers detected.

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Symbols

No symbols detected.

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Repeated patterns

Waiting for a password.

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Sequential patterns

Waiting for a password.

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Common password patterns

Waiting for a password.

Recommendations

How to make it stronger

Enter a password and weโ€™ll explain what is working and what could be improved.
Password challenge

Can you reach 100?

Improve the length, variety, and unpredictability of your test password while avoiding common patterns.

0 points
What makes a password strong?

Strong passwords are long, unique, and difficult to predict. Length usually matters more than adding a few symbols to a short password. Use a password manager, avoid reusing passwords, and enable multi-factor authentication whenever possible.

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Did You Know?

A long random passphrase can be easier to remember and harder to guess than a short complex password.

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