GRC Password Haystacks
Illustrates how password length and character variety affect brute-force search space.
Artifact by Gibson Research Corporation
Use it
Opens grc.com in a new tab. Nothing to install.
- You provide
- A candidate password
- You get
- Search-space size and time estimate
- 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
- Hosted web tool
- Source
- Source code not public
- Link check
- Answered on Oct 31, 2026
About
Category: Security & privacy · password strength
Reviews
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Details
- Auth
- No auth
- License
- License unknown
- Website
- www.grc.com/haystack.htm
- First seen
- Oct 31, 2026
- Last checked
- Oct 31, 2026
- Source
- artifact-seed
More from Gibson Research Corporation
Cite this page
GRC Password Haystacks: free online tool. Agent Mart. https://agentmart.dev/artifacts/grc-password-haystacks (last updated 2026-10-31)