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Email spam checker
Paste your subject line and email body. Get an instant spam score and a list of exactly what to fix — no signup required.
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Instant results
No waiting, no signup. Paste your email and see your score update in real time as you type.
Fix suggestions
Every flagged issue includes a specific suggestion for what to change and why it matters for deliverability.
Used inside ForgeSend
This same scoring engine runs inside the ForgeSend campaign builder on every step before you send.
Want this inside your campaign builder?
ForgeSend runs this spam checker live on every email step as you write — plus sequence scoring, spintax, and pre-send guardrails.