Free CRO-Content Tool
Free Spam Word Checker — Check your work against the rules that actually matter. No signup, no spreadsheets.
Run the page through the Spam Word Checker before you publish so problems with spam word surface while they're still cheap to fix.
Point the Spam Word Checker at pages you didn't build to find quick wins on spam word you can ship this week.
Make the Spam Word Checker the last step before "publish" so nothing goes live with broken spam word.
After a relaunch, every page should pass the Spam Word Checker. The ones that don't are the rollback risks.
Spam word checkers flag words and phrases known to trigger email spam filters (e.g. "free", "guarantee", "act now"). Paste your subject line and body to see which terms to consider rewriting.
Only public URLs are checked here. For staging or gated pages, drop the relevant spam word into the input directly.
At minimum, before a major launch or migration. Many teams run it monthly on key pages so spam word regressions don't sit unnoticed.
The checks are based on the publicly documented rules each platform uses. It's not a guarantee of indexing or approval, but it catches the issues that matter in practice.
Yes. No signup, no limits, no email gate. Use the Spam Word Checker as often as you need.
No. We process the input only long enough to return your result. We don't save it, share it, or use it for anything else.
Please do. We're happy for marketers, agencies, and educators to link to this page so their readers can use the Spam Word Checker here.
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