Générez des cold emails qui convertissent grâce à l'IA
Quickly generate 3 subject lines
Save hours of your time
100% free
A compelling subject line can boost your cold email open rates.
But let’s face it—creating one that stands out isn’t always easy.
Let’s make writing a subject line automatic with lemlist’s easy-to-use cold email subject line generator.
But let’s face it—creating one that stands out isn’t always easy.
Let’s make writing a subject line automatic with lemlist’s easy-to-use cold email subject line generator.
How to use lemlist’s Subject line generator 🛠️
Using the subject line generator is easy:
1: Type (or paste) your email into the tool and hit the “Generate a subject line” button. The generator will now generate three different subject lines for you.
2: Check your results under “Suggested subject lines”
3: Pick the best subject line
4: Edit the subject line, if necessary (optional)
5: Push your email to a lemlist campaign (optional)
1: Type (or paste) your email into the tool and hit the “Generate a subject line” button. The generator will now generate three different subject lines for you.
2: Check your results under “Suggested subject lines”
3: Pick the best subject line
4: Edit the subject line, if necessary (optional)
5: Push your email to a lemlist campaign (optional)
Why use lemlist’s subject line generator? 💡
One word-answer: speed.
Why waste hours crafting a subject line when you can generate several instantly?
Just pick the best one, edit a word if needed, and you’re good to go.
Why waste hours crafting a subject line when you can generate several instantly?
Just pick the best one, edit a word if needed, and you’re good to go.
What makes a good subject line? ✅
Keep ‘em short
Subject lines of between 1-8 words perform best.
Subject lines of between 1-8 words perform best.
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Personalize ‘em
Go beyond adding a first name to a subject line. Mentioning your prospect’s pain point or competitor may make your subject lines irresistible.
Make ‘em ask a question
Questions in your subject lines can boost your open rate…
But only if they are relevant.
“Do you have a moment?” is unlikely to give you any advantage.“
Need help with {{painpoint}}?” will do much better
Make ‘em urgent
If your prospect feels they must act on your message now, they will open your email.
But adding fake urgency can make your subject lines seem spammy.
"Hurry! Offer expires in 5 minutes!!” is NOT a good subject line.
However…“Here’s an invite to the event of the year, {{firstname}})” can be a good subject line.
The trick is to avoid generic urgency and tailor it to your prospects instead.
Audit ‘em
We created a free Subject line audit tool to make evaluating subject lines easier.
The tool provides an easy way to improve your subject lines quickly.
It checks subject lines for common mistakes and gives scores for things like:
➡️ Scannability
➡️ Reading Level
➡️ Length
Split test ‘em
Stop the guesswork regarding your subject lines. Instead, test two different versions against each other.
Send one version to 50% of your audience and the second one to the other 50%.
Provided you have enough people on your email list, you can find out which version and methods your audience responds best to.
Go beyond adding a first name to a subject line. Mentioning your prospect’s pain point or competitor may make your subject lines irresistible.
Make ‘em ask a question
Questions in your subject lines can boost your open rate…
But only if they are relevant.
“Do you have a moment?” is unlikely to give you any advantage.“
Need help with {{painpoint}}?” will do much better
Make ‘em urgent
If your prospect feels they must act on your message now, they will open your email.
But adding fake urgency can make your subject lines seem spammy.
"Hurry! Offer expires in 5 minutes!!” is NOT a good subject line.
However…“Here’s an invite to the event of the year, {{firstname}})” can be a good subject line.
The trick is to avoid generic urgency and tailor it to your prospects instead.
Audit ‘em
We created a free Subject line audit tool to make evaluating subject lines easier.
The tool provides an easy way to improve your subject lines quickly.
It checks subject lines for common mistakes and gives scores for things like:
➡️ Scannability
➡️ Reading Level
➡️ Length
Split test ‘em
Stop the guesswork regarding your subject lines. Instead, test two different versions against each other.
Send one version to 50% of your audience and the second one to the other 50%.
Provided you have enough people on your email list, you can find out which version and methods your audience responds best to.
Beyond subject lines ✨
To write complete campaigns with AI, including subject lines, try lemlist.
lemlist’s AI Sequence Generator asks you a few questions and then comes up with a complete campaign at no extra cost.
lemlist’s AI Sequence Generator asks you a few questions and then comes up with a complete campaign at no extra cost.
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The AI Sequence Generator can save you a lot of time by creating campaigns automatically.
lemlist paid plans start at $32/month but you can take lemlist for a spin with its free 14-day trial.
Ci-dessous, un aperçu de ce que vous obtiendrez
Frequently Asked Questions
Sign-up for free
Do I need a lemlist account to use the Subject line generator?
The Subject line generator is entirely free to use. You do not need a lemlist account for it.
How many subject lines can I generate at once?
The tool generates three subject lines for your email. It generates a value-orientated, solution-orientated, and problem-oriented subject line for you.
Is there a limit on how often I can use the generator?
You can use the generator three times daily.
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