Email marketing is a powerful tool for communicating with customers and increasing sales. However, for your emails to be effective, they must be thoroughly tested and optimized. An email tester is a tool that can assist you in doing so. But, with so many options, it can be difficult to know which features to look for when selecting an email tester. Let’s look at some of the most important features to look for when choosing an email tester, as well as how they can help you improve your email marketing campaigns.

How to Choose the Best Email Tester for Your Business?

Choosing the right email tester can be overwhelming, but it's essential to take the time to research and select a tool that meets the specific needs of your business. Here are some factors to consider when choosing an email tester:

  • Accuracy: One of the most crucial factors to consider is the accuracy of the tool. Make sure the email tester you choose has a high level of accuracy in identifying valid email addresses.
  • Speed: Another important factor to consider is the speed of the tool. Some email testers can verify thousands of email addresses in minutes, while others may take hours. Consider the size of your email list and how quickly you need to verify the addresses.
  • Integration: Some email testers integrate with other tools, such as CRM software, email marketing platforms, and lead generation tools. If you use any of these tools, consider an email tester that integrates with them.
  • Cost: Email testers vary in cost, so consider your budget when choosing a tool. Some email testers are free, while others have a monthly or annual subscription fee.

Top Picks for Email Testers

Top Picks for Email Testers

There are many email testers on the market, and it can be overwhelming to choose the right one. Here are our top picks for email testers in 2023: is a comprehensive email verification tool that includes a database of over 430 million email addresses that is updated monthly. It also includes features such as email hunter, email validator, email list, cold email templates, author finder, email checker, email lookup software, email extractor, and advanced reports. One of the most unique things about is that it's part of the 500apps Infinity suite, a collection of 50+ apps for growing businesses at $14.99.

Hunter: Hunter is an email verification tool that allows you to find email addresses, verify email addresses, and find email patterns on a website. It offers a chrome extension, API and a bulk email verifier. It is a freemium tool and offers plans starting at $49/month.

MailTester: MailTester is an email validation tool that verifies email addresses in real-time. It offers a free plan, as well as paid plans that start at $9/month.

Email Checker: Email Checker is a simple email verification tool that allows you to verify up to 100 email addresses for free. Paid plans start at $4/month.

Best Features of the Top Email Tester Tools

Now that we've reviewed our top picks for email testers in 2023, let's dive deeper into the specific features that make these tools stand out in the market.

Top Email Tester Tools

  • Use a database of over 430 million email addresses that is updated monthly to find and verify leads
  • Email Hunter feature that allows you to find email addresses on a website
  • Email Validator feature that verifies the validity of email addresses in real-time
  • Email List feature that allows you to create and manage email lists
  • Cold Email Templates feature that provides pre-written templates for cold email outreach
  • Author Finder feature that allows you to find email addresses of authors on a website
  • Email Checker feature that checks for email address typos and errors
  • Email Lookup Software feature that allows you to search for email addresses in a database
  • Email Extractor feature that automatically extracts email addresses from a website
  • Email Address Finder feature that finds email addresses on a website
  • Advanced Reports feature that provides detailed information about email verification results
  • Part of 500apps Infinity suite at $14.99 which includes 50+ apps for growing businesses to grow like fortune 500


  • Real-time email verification
  • Chrome extension, API and bulk email verifier
  • Email pattern finder feature that allows you to find email patterns on a website
  • Email Verification API feature that allows you to verify email addresses in your own application
  • Email Tracker feature that allows you to track the status of your email campaigns
  • Freemium pricing model, plans starting at $49/month


  • Real-time email validation
  • Free plan available, as well as paid plans starting at $9/month
  • User-friendly interface
  • Advanced Reporting feature that provides detailed information about email verification results
  • Automatic email bounce handling feature that automatically removes bounced emails from your list

Email Checker:

  • Verify up to 100 email addresses for free
  • Simple and easy to use
  • Paid plans starting at $4/month
  • Advanced reporting feature that provides detailed information about email verification results
  • Automatic email bounce handling feature that automatically removes bounced emails from your list
  • Email Appending feature that appends missing information to your email list (e.g. First Name, Last Name, Job Title, Company Name)


An email tester is a critical tool for any business that relies on email marketing. It ensures that your efforts reach the right people by verifying the validity of email addresses on your list. When choosing an email tester, consider factors such as accuracy, speed, integration, and cost. Our top picks for email testers in 2023 include, Hunter, MailTester, and Email Checker. Each of these tools offers unique features, so be sure to research and select the one that best meets the specific needs of your business. By using a reliable email tester, you can improve the effectiveness of your email marketing campaigns and see a higher return on investment.

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