Try zxcvbn
Demo of the zxcvbn estimator that scores a password and lists the patterns and guesses it found.
Artifact by Dan Wheeler (Dropbox) and community
Use it
Opens lowe.github.io in a new tab. Nothing to install.
- You provide
- A password
- You get
- Score, guess estimate and detected patterns
- Account
- No sign-up needed
- AI
- No AI: a plain tool
- Your input
- Not stated: check the tool's privacy notes before using private data
- Price
- Free to use
- Made with
- Open-source web app
- Source
- Open source
- Link check
- Answered on Oct 31, 2026
About
Category: Security & privacy · password strength
Reviews
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Details
- Auth
- No auth
- License
- Open source
- Repository
- github.com/lowe/tryzxcvbn
- Website
- lowe.github.io/tryzxcvbn/
- First seen
- Oct 31, 2026
- Last checked
- Oct 31, 2026
- Source
- GitHub
Cite this page
Try zxcvbn: free online tool. Agent Mart. https://agentmart.dev/artifacts/try-zxcvbn (last updated 2026-10-31)