10 Best Email Subject Line Generators

Are you struggling to come up with catchy email subject lines for your next campaign? Look no further! These email subject line generators will skyrocket your open rates and make your emails stand out.

Did you know that the subject line is the most important factor in determining whether an email gets opened or sent straight to the spam folder? According to research, 69% of recipients consider the subject line when deciding if an email is spam, and 47% of recipients open emails based solely on the subject line.

All the effort you put into crafting the perfect email content and calls to action is useless if your recipients never even open the email. That’s why it’s crucial to have an effective, attractive, and personalized subject line that grabs attention and entices people to open and respond to your email.

But coming up with fresh and creative subject lines every day can be exhausting for marketers. That’s where the email subject line generators mentioned in this article come in handy. We’ve compiled a list of the best free and paid generators to help you generate eye-catching subject lines for your next email marketing campaign.

So, if you’re tired of racking your brain for subject line ideas, try these top 10 email subject line generators to boost your open rates and make your emails impossible to resist.

And if you’re looking for more than just subject lines, you can even try our Email Generator to generate entire emails that are sure to captivate your audience.

1. Jasper

Jasper is an AI-based tool that creates search-optimized and original content. It offers a variety of templates for headlines, product descriptions, emails, landing pages, and of course, email subject lines.

Simply enter your company or product’s name, choose a tone of voice, and describe what your email is about, and Jasper will generate a list of intriguing subject lines for you. You can even play around with different tones of voice to see what works best for your subscribers.

The best part? Jasper isn’t just a subject line generator. It also helps you create compelling email bodies and calls to action, saving you time and effort.

Pros:
– Excellent customer support
– Generates multiple subject lines for A/B testing
– Free trial available
– Offers a great Chrome extension
Cons:
– No tablet or mobile app
Pricing:
– Starter plan: $49/month
– Boss Mode plan: $99/month

Platform: Web-based

2. Salesblink

SalesBlink is a comprehensive cold sales outreach solution that includes prospecting, lead generation, and a subject line generator specifically designed for sales emails.

Simply enter the service you offer and the company you’re pitching to, and SalesBlink will generate five great subject lines to help you attract attention and close deals faster.

Pros:
– Perfect for agencies and freelancers doing cold outreach
– Generate as many subject lines as you need
Cons:
– Some bugs need fixing
– Interface could be improved
Pricing: Free

Platform: Web-based

3. ActiveCampaign:

Easily generate keyword-specific subject lines. Just choose a category and enter a keyword. Get four great suggestions instantly. Plus, you can get more suggestions with a single click!

Pros:
– Conduct A/B testing to find the best-performing subject line.
– Enjoy great email marketing automation features.
– User-friendly interface.

Cons:
– Suggestions can be repetitive.
– Customer support could be more responsive.

4. Encharge:

Say goodbye to basic templates! Encharge’s AI-based generator creates unique and high-converting subject lines that sound human. Simply provide some context and tone preferences, and get ready to be amazed by seven amazing and creative options.

Pros:
– Choose from over 20 tone of voice options.
– Discover endless subject line possibilities.
– Beginner-friendly.

Cons:
– Limited integrations in the paid plan.
– Some key features missing compared to other tools.

5. Copy.ai:

Need catchy subject lines? Copy.ai specializes in short-form content and offers a wide variety of tone options. Simply provide your brand or product details and let it generate a list of catchy ideas. You can even save your favorites for later.

Pros:
– Copy and paste the results anywhere you want.
– Translate your copy into multiple languages.
– Excellent messaging system and support.

Cons:
– Can sometimes be a bit slow.
– Limited word limit for the product description.

6. Keap:

Looking for unique subject lines? Keap’s generator takes a different approach. Customize your subject lines based on the type of message you want to send and the preferences and pain points of your recipients. Get subject lines that lead to more clicks and conversions.

Pros:
– Email the generated subject lines with a single click.
– User-friendly, works great on mobile.

Cons:
– Customer support could be better.
– Limited pricing options.

7. Boost Your Email Open Rates with Reply.io’s Cold Email Subject Line Generator

Are you looking for an effective way to enhance your B2B email marketing campaigns? Look no further! Reply.io offers an advanced AI-based cold email subject line generator that is tailored to suit your needs.

With just a few clicks, you can choose a suitable category and keyword for your email subject line. Whether it’s highlighting the benefits, addressing problems, personalizing your message, or even incorporating COVID-19, our generator has got you covered. Once you’ve made your selection, hit the ‘Generate Subject Line’ button, and let our AI do the magic. You’ll receive six optimized subject line results that are guaranteed to increase clicks and open rates.

But that’s not all! Our email subject line generator also comes with an AI-powered tool for quality checks. Once you’ve found the perfect subject line, you can use this tool to ensure it meets all the criteria for a successful email. From subject line length to word count, question count to positivity, and even reading level, our AI tool has got you covered.

Pros
– Boost your reply rates with actionable subject lines
– Accurate improvement suggestions with our email quality check tool

Cons
– Only available for a 14-day free trial

Pricing
– Enjoy a free trial for 14 days
– Choose between two pricing models for the Email Search plan: $49/month with 5000 email credits/month or $99/month with unlimited email credits/month

Platform
– Web-based

8. Create Engaging Email Subject Lines with Copymatic’s AI-powered Generator

Want to grab your audience’s attention with captivating email subject lines? Look no further than Copymatic! Our generator uses artificial intelligence, smart algorithms, and machine learning to generate email subject lines that are sure to make your recipients click.

With over 8 million emails under its belt, Copymatic is trained to understand what works. Just choose the desired language, tone of voice, level of creativity, product name, audience, and product description, and our AI will do the rest. You’ll receive engaging subject lines that increase clicks and boost conversions. Plus, you can even choose how many subject line results you want to generate.

Pros
– Generate subject lines in over 20 languages
– Enjoy plagiarism-free subject lines
– Deliver catchy subject lines that improve open rates

Cons
– May contain minor spelling errors
– Trial version comes with only 10 credits

Pricing
– Free
– Starter plan: $19/month
– Pro plan: $32/month

Platform
– Web-based

9. Generate Unique Email Subject Lines with StoryLab.ai

Struggling to come up with creative email subject lines? StoryLab.ai is here to help! Our AI-powered tool generates unique subject lines for various use cases, including email marketing campaigns.

Using artificial intelligence, simply enter your topic, company, and product description, and let StoryLab.ai work its magic. You’ll receive subject lines that are perfect for your content and email marketing needs.

Pros
– Easy to use, even for beginners
– Great for short-form content marketing
– Regular updates with new features and improvements

Cons
– Only provides 15 free runs

Pricing
– Free
– Starter plan: $7/month
– Pro plan: $20/month
– Unlimited plan: $27/month

Platform
– Web-based

10. Find the Perfect Subject Lines with Google’s Headline And Subject Line Generator

Looking for a wide range of subject line and headline combinations? Google has got you covered! Their Headline And Subject Line Generator offers over 500 unique combinations to choose from.

With just a few clicks, you can access this extension right from your Google account. Switch between the ‘Swipes’ and ‘Headlines’ buttons to explore different categories. From listicles to how-tos, questions to general suggestions, you’ll find it all here.

Pros
– Get grammatically accurate subject line suggestions

Cons
– Limited control over the tone of voice

Pricing
– Free

Platform
– Web-based

Generate the Best Email Subject Lines

Your email subject lines can make or break your email marketing efforts. If you’re in need of inspiration or want to improve the performance of your subject lines, check out the email subject line generators mentioned in this article.

Jasper, in particular, offers a brilliant email subject line template that will compel your recipients to open emails. Sign up with Jasper today and start creating subject lines that drive results for your marketing campaigns.