Free Tools/GPT Vulnerability Tester

Custom GPT Vulnerability Tester

Find jailbreak vulnerabilities, data leak risks, and prompt injection holes in your Custom GPT — with test prompts and a hardened system prompt rewrite.

Paste your Custom GPT system prompt

0/10,000

Optional: GPT description / tools enabled

Ethical testing only

Only test Custom GPTs you own or have explicit permission to analyze. Never use these techniques maliciously against others' systems.