Free Tool
Subject Line Creator
Craft email subject lines that boost open rates. Get multiple options optimized for clicks and engagement.
Boost your email open rates
The subject line is the gatekeeper of your email content. If it doesn't intrigue the recipient, your email goes to the trash (or spam). Our Subject Line Creator generates optimized subject lines designed to stop the scroll in a crowded inbox. Perfect for newsletters, cold outreach, and promotional campaigns.
Best practices for subject lines
Keep it Short
Mobile devices cut off long subject lines. Aim for under 40-50 characters.
Create Curiosity
Make them wonder what's inside. "You won't believe this..." works for a reason.
Personalize
Use "You" or their name (if you have it) to make it feel direct.
Avoid Spam Words
Words like "Free", "Guarantee", and "Urgent" can trigger spam filters. Use carefully.