Email Subject Line Generator
Enter your topic or product and get 10 high-open-rate email subject line ideas. Perfect for newsletters and promotions!
About the Email Subject Line Generator
Generate 10 open-worthy email subject lines for your newsletter, lead magnet, or product launch. Type your email topic, pick a tone (curious, urgent, helpful, story), and get a mix of subject lines proven to drive opens. Each one is tested against the 50-character mobile preview cutoff.
How it works
- Step 1. Type your email topic or main message.
- Step 2. Pick a tone — curious, urgent, helpful, story, or playful.
- Step 3. Click Generate to get 10 variations.
- Step 4. Copy your favorite or A/B-test two against each other.
When to use this tool
- Welcome sequence — Draft subject lines for a 5-email welcome series that introduces new subscribers to your story and offers.
- Product launch — Generate teaser, announcement, and last-chance subject lines for a 3-email launch sequence.
- Weekly newsletter — Keep your Wednesday email fresh with rotating subject-line formulas so subscribers don't tune out.
Frequently asked questions
What length works best?
Mobile inboxes cut off subject lines around 30-50 characters. The generator skews shorter for that reason; aim for under 60 to be safe.
Do emojis hurt deliverability?
Not when used sparingly. One emoji at the start can boost open rates 5-15% in B2C contexts but can hurt B2B. The generator lets you toggle emoji on or off.
Will these pass spam filters?
The generator avoids common spam triggers (ALL CAPS, multiple exclamation marks, urgency words like "FREE"). Still, run your full email through a tool like Mail-Tester before sending to a large list.