Password strength checker
Estimate a password's strength in your browser and spot weak patterns. It is never sent or stored.
AvailableIn your browserInput: Text
How to use: Password strength checker
- Type the password you want to assess.
- Review the estimate and the reasons (length, variety, patterns, common words).
- Follow the suggestions to strengthen it.
What it accepts and what you get
- Input
- A password up to 256 characters.
- Output
- An indicative strength estimate with explanations.
- Where your data is processed
- Your data is processed in your browser and is not sent to our servers.
Limitations and notes
- It is a local heuristic: it does not check whether the password appears in data breaches.
- No score guarantees a password is safe.
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