Email Unsubscribe Checker
Check whether an email template has visible unsubscribe links, List-Unsubscribe headers, one-click support, and practical fallback links.
Email input
Audit result
Unsubscribe readiness0%
Paste email HTML or headers to start the check.
Links found0
Headers found0
One-clickNo
Visible HTML unsubscribe link
No unsubscribe-style link was found in the HTML body.
List-Unsubscribe header
Add a List-Unsubscribe header for inbox unsubscribe controls.
One-click unsubscribe
Add List-Unsubscribe-Post when using an HTTPS unsubscribe endpoint.
HTTPS unsubscribe endpoint
Provide an HTTPS unsubscribe URL for safer client support.
Mailto fallback
Consider adding a mailto fallback for broader compatibility.
Detected unsubscribe links
The checker looks for unsubscribe, opt-out, and preference wording.No unsubscribe links found yet.
List-Unsubscribe header example
Detected unsubscribe links will be used to build a header example.