Tools

Free Email Tools

Interactive tools for AI email security, deliverability, and experimentation. Everything runs in your browser — no data is sent to any server.

SecurityPrompt Injection ScannerPaste email body text and detect prompt injection patterns — instruction overrides, role play attacks, system prompt mimicry, and delimiter abuse.DeliverabilityEmail Template LinterCheck your email subject and HTML body for spam-trigger phrases, insecure URLs, missing unsubscribe links, and template variable issues.AnalyticsA/B Test Significance CalculatorEnter your control and variant conversion data to calculate statistical significance, p-values, and confidence intervals using a two-proportion z-test.