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Best performing subject lines at your fingertips

Zenie AI continuously learns from hundreds of thousands of email subject lines with over 60% open rates to help you build the best performing subject lines.

What is your email about?
Type in 5 keywords and a quick summary (30-50 characters) about the email you want to send.
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How to use the AI subject line generator

Struggling to find the perfect email subject line? It’s a tricky balance—you want it to be engaging and attention-grabbing while staying true to your email’s content.


Our AI-powered subject line generator makes this effortless. Just provide a few keywords or a short description, and let our AI craft compelling, high-performing subject lines for you.


No more guesswork—just AI-driven inspiration to boost your open rates. Try it now and watch your emails get the attention they deserve!

Thanks! Here are some options for you

Here's a set of freshly generated subject lines that our AI has crafted for you. Use them to make your emails stand out in any inbox.

Don't miss out our BOGO sale!
92%
copied
Black Sale. New arrivals 30% off!
92%
copied
💥 25% Black Friday Code: FRIDAY
92%
copied
Black Friday is back!🔥 Shop now!
92%
copied
🚨 BLACK SALE! Bestsellers 45% off!
92%
copied
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Found a promising subject line? Use our free subject line tester to check for spam triggers, optimal word count, personalization effectiveness and overall health score.

Discover More from   Zenie AI

If you liked Zenie’s subject lines, explore what else Zenie AI can do for your email marketing.

Build & take campaigns live 
in minutes

Build complex email sequences in under 2 minutes with Zenie.

Craft subject lines that get opened

Turn your emails from ignored to adored with our AI-powered subject line generator!

Guarantee conversions with help from Zenie AI

Zenie AI suggests the best versions of content by learning from hundreds of thousands of high-converting emails

Try ZEPIC's Email Marketing Platform for free for 14 days

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