Free Email Subject Line Generator
Make your email subject lines stand out! This free email subject line generator is the best tool that will help you craft the perfect subject line for your newsletter, blog post, and other promotions.
An email subject line has one job: to get the email opened. According to a SuperOffice study, almost 34% of recipients said that they opened an email because of the subject line.
But writing copy that gets someone to open the email you’ve sent is easier said than done. A recent Smart Insights study found that less than 17% of emails are opened.
So how do you write a good subject line? An email subject line generator like Copy.ai’s Catchy Email Subject Lines tool is a great way to get started. If you’re not feeling creative or you simply don’t know where to start with your writing, our free tool can help you kick-start the process.
Here’s how our email subject line generator works:
Once you’ve entered the Copy.ai application, you can find the Catchy Email Subject Lines tool on the Tools list. Click to open it.
You’ll now see the Catchy Email Subject Lines interface, which is where you’ll be inputting all of the information that’s relevant to the email you want to send—namely, your product/brand name and a description of your product.
Don’t hesitate to include a lot of information about your product or promotion. These details help our email subject line generator provide relevant copy suggestions.
From there, pick a tone of voice (friendly, persuasive, witty, etc.) that corresponds with your brand or product.
All set? Click the “Create Copy” button and let the tool work its magic.
After just a few seconds, the email subject line generator will generate a list of ideas for you.
Have a look at the suggestions, and see if any of them catch your eye. If you want the tool to generate more subject line suggestions, click the “Make More” button. The tool will generate another set of new subject lines and add them to the list.
Want to move these subject line suggestions outside of Copy.ai? Click the “Copy All Results” button (see above) to copy all of the suggestions to your clipboard and paste them in another spot (like a spreadsheet).
If you see an email subject line you really like, click the “Save” button below it. The tool will send the line to the “Saved” section. Click on the “Saved” tab to see all of your favorite subject line ideas from the tool.
If you’ve had a change of heart and no longer like the subject line you’ve saved, click the “Remove” button to get rid of it.
If you’re stuck in writer’s block mode, click the tool’s “More Like This” button. Please note that the “Make More” and “More Like This” features are not the same. “Make More” adds more subject line options to the originally generated list. The “More Like This” feature generates additional copy based on a single subject line. Here’s how it works:
Click back on the “Create Copy” tab and find a subject line you think is interesting. When you click the “More Like This” button below it, the tool will generate additional copy based on that subject line.
Use these suggestions to write your own subject lines, or you could use the text to start creating the body of your email.
Remember, none of the generated subject lines are set in stone. Play around with the wording by simply clicking on the line and editing it to your liking. Consider how you might adjust each line to engage your unique audience.
Here are a few tips for making subject lines click-worthy:
There is no surefire way to create a killer subject line, even with the best copywriters. Use an email marketing app to A/B test your email marketing campaigns to see what works and what doesn't.
A/B testing is a simple two-step technique that's used to optimize email content conversion rates:
Based on this performance data, you'll know which subject line converts better and should be sent out to a wider audience.
If you have more than two subject lines you’d like to test, no problem. You can run a multivariate test with as many variants as you want.
We recently sent out five variants to 10% of our email list using a tool called Customer.io. After one hour, it became clear that Variant One had a higher open rate than the rest. As a result, the remaining 90% of our email list received an email with Variant One.
If we hadn’t A/B tested our subject lines and had just run with Variant Five, our second-best email subject line, we would have had 12,000 fewer opens!
It took only a few minutes to generate and tweak these additional variants using our email subject line generator, and it had a massive impact. According to Litmus research, nearly 90% of businesses conduct A/B tests on their emails, focusing mainly on subject lines, calls-to-action, and send times.
Finding good email subject lines that work best for your audience is a process that truly never ends. As your audience grows and changes, your sales emails that had great open rates a year ago might be bombing now.
AI-powered free email subject line generators are fantastic tools that help email marketers and other content and digital marketing professionals stay creative and experiment with subject lines. They are easy and intuitive to use and can make a process that many marketers and copywriters consider tedious kind of fun and exciting.
Looking for more tips on how to write a great subject line and increase open rates? Check out this blog post.
Try using our AI writing tools today!
You can find other free AI tools here:
Our free Resignation Letter Generator allows you to create a professional resignation letter in seconds.
Create high converting CTA's with this call to action generator. Not only will it help you create great CTAs, but also helps you improve your conversion rate and increase sales.
Write 10x faster, engage your audience, & never struggle with the blank page again.