Free Email Subject Line Analyzer

Analyze your email subject lines for spam words, optimal character length, and improve your email open rates. Perfect for email marketers and businesses.

How to Use the Email Subject Line Analyzer

  • Enter your email subject line in the text field above
  • Click "Analyze Subject Line" to get detailed analysis
  • Review character count, word count, and spam score
  • Check for detected spam words that might trigger filters
  • Follow recommendations to improve your subject line

Why Analyze Email Subject Lines?

  • Improve Open Rates: Optimized subject lines get more opens
  • Avoid Spam Filters: Detect words that trigger spam filters
  • Optimal Length: Keep subject lines within recommended character limits
  • Better Engagement: Craft compelling subject lines that drive action
  • A/B Testing: Compare different subject line variations

Best Practices for Email Subject Lines

  • Keep it between 30-50 characters for optimal display
  • Avoid excessive use of capital letters and exclamation marks
  • Don't use spam trigger words like "FREE", "URGENT", "GUARANTEED"
  • Personalize when possible with recipient's name or company
  • Create urgency without being pushy
  • Test different variations to see what works best