Paste your subject line and email below. You will get an instant score out of 100 and the exact things that could send it to spam or the Promotions tab, with how to fix each one. Nothing you paste leaves your browser.
100% private. This runs entirely in your browser, nothing is uploaded or stored.
The words are only half of it. If your setup, domain reputation or list is the problem, that is exactly what we fix. Send us your last campaign and we will tell you what is really going on.
The checker looks at the things Gmail, Outlook and Yahoo weigh when they decide where to file your email: spam-trigger words, shouty punctuation and ALL-CAPS, how much of the email is image versus text, how many links it carries, and whether it has the unsubscribe link that keeps you out of the spam folder. It is a fast sanity check before you hit send. For the deeper causes, the email deliverability guides and the Primary Inbox prompt go further.