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zxcvbn Password Strength

Dropbox's password strength estimator. Realistic password cracking estimates, not just character counting.

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MIT★ 15000

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What's next with zxcvbn Password Strength?

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Use it free

Open the official tool or demo — no account needed.

Free

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Run the open-source version on your own infrastructure.

Open

What is zxcvbn Password Strength?

zxcvbn Password Strength is Dropbox's password strength estimator. Realistic password cracking estimates, not just character counting. Source: https://github.com/dropbox/zxcvbn. License: MIT.

How it works

zxcvbn Password Strength works by processing your input directly. Dropbox's password strength estimator. Realistic password cracking estimates, not just character counting.

How to use it

  1. 1Open the zxcvbn Password Strength tool, enter your input, and get your result instantly.

What it can do

  • Password Management

Use cases

Assumptions and limitations

Assumptions

  • source: https://github.com/dropbox/zxcvbn
  • license: MIT — free to use
  • privacy: Opens an external demo

Limitations

  • External demo — opens a third-party website that you do not control.
  • Relies on an external source (github.com); availability depends on that service.
  • Focused on the encryption tools category: Dropbox's password strength estimator. Realistic password cracking estimates, not just character counting..

Understanding the result

Dropbox's password strength estimator. Realistic password cracking estimates, not just character counting.

Tool details

  • Clearly flagged when a network request is needed.
  • No account, no sign-up, and no tracking of your content.
  • Powered by zxcvbn (MIT).
Built with
zxcvbn (dropbox/zxcvbn)
License
MIT
Runs locally
No — requires a network request
Verification
Not yet verified
Input
Text
Output
Output
Open-source source & license

Built with dropbox/zxcvbn. OpenToolVault provides the discovery and browser interface while crediting the original project maintainers.

Built with
zxcvbn
License
MIT
View source on GitHub

Open-source project

License: MITSource: this projectOfficial site

OpenToolVault is an independent directory. We are not affiliated with or endorsed by this project.

References

Frequently asked

What is zxcvbn Password Strength?

Dropbox's password strength estimator. Realistic password cracking estimates, not just character counting.

Where can I find the source code?

The source is available at https://github.com/dropbox/zxcvbn

What license is it?

MIT.

Is it free to use?

Yes, it is open-source and free to use.

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