Type your email subject line and get an instant score with tips to improve it. The score is based on common best practices such as length, clear benefit words and spam-trigger words. It is a guide, not a guarantee of open rates.
0Score out of 100
0Characters
0Words
–Rating
Phone preview:
Tips for better subject lines
- Put the most important words first, because phones cut off long subjects.
- Promise one clear benefit and keep it honest.
- Test two versions on a small part of your list (A/B test) and keep the winner.
Need help writing the email itself? Read our guide to the best AI tools for email marketing.