YggNexus

LochBot

Free Prompt Injection Checker for chatbots and AI systems.

TextAnalyze & ResearchDevelopers

Pricing: free — No cost for security checks · Visit website

LochBot is a free online tool that analyzes your system prompt against 31 injection attack patterns to identify security vulnerabilities. It provides instant vulnerability scores, specific fix suggestions, and JSON export options without sending data to servers. *Test your system prompt's security instantly.*

Pros

  • Free of charge
  • Instant analysis in the browser
  • Detailed fix suggestions

Cons

  • Does not test against actual AI models
  • Limited to client-side analysis only
  • No server interaction for data

FAQ

Is my prompt sent to servers?

No, all analysis runs in your browser.

Can I export the results?

Yes, you can export JSON files with detailed reports.

What if I find vulnerabilities?

Get specific fix suggestions to improve security.

Last updated: 2026-06-21