Spam Word Checker

It scans your subject line and email body for words and phrases spam filters tend to weigh against you, grouped into five categories: Urgency, Shady, Overpromise, Money, and Unnatural. A single flagged word rarely sends anything to spam on its own — the goal is spotting where those signals are piling up.

Copy is only one factor. Missing SPF/DKIM/DMARC authentication, a damaged sender reputation, a sudden spike in send volume, bad or unverified addresses on your list, and a heavy image-to-text ratio all matter more than any single word choice — this is the kind of infrastructure work our team handles for clients.

Rephrase the flagged words into plainer language, cut the aggressive urgency framing, and read the email back as if a stranger sent it to you cold — if it reads like a template, spam filters and prospects both notice.

Cold outreach is what it's built for, but the same word list applies to newsletters, follow-ups, and any other email you're sending at volume.

Free, no sign-up. Everything runs in your browser — nothing you type is sent to a server or saved.

It's reviewed and expanded periodically as spam-filtering behavior shifts — if you're seeing a word flagged (or missed) that shouldn't be, let us know.