Free Tool · No signup required

Free Spam Word Checker Tool

Scan your email copy for words that trigger spam filters before you send. Identify problematic content and improve deliverability by avoiding language that email providers flag as spam.

Content risk

Why Spam Word Checking Matters for Deliverability

Even well-intentioned emails can be filtered into spam folders if they contain too many trigger words. Our spam word checker helps you identify problematic content before sending, ensuring your messages reach the inbox and maintain high deliverability rates.

  • Prevent spam filtering by identifying trigger words before sending
  • Improve deliverability rates by avoiding language that triggers filters
  • Protect sender reputation by ensuring clean, professional copy
  • Save time by catching problematic content early in the writing process
  • Maintain inbox placement and avoid spam folder delivery

How Spam Word Checking Works

Our spam word checker analyzes your email content using multiple methods:

  1. Word database matching: Compares your content against known spam trigger words and phrases used by major email providers
  2. Pattern detection: Identifies suspicious patterns like excessive capitalization, punctuation, or sales language
  3. Context analysis: Considers how words are used together, as combinations can be more problematic than individual words
  4. Frequency scoring: Flags content with high concentrations of trigger words that increase spam risk
  5. Recommendations: Suggests alternative phrasing to maintain your message while reducing spam risk

This comprehensive analysis helps you create email copy that avoids spam filters while maintaining your message and tone.

Spam Word Checker FAQs

Automate Spam Word Checking in Every Campaign

Get automatic spam word checking running on every email in your campaigns with SuperSend. No manual checks needed — we scan all copy before sending to protect your deliverability.