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Best email testing tools is an essential component that must not be neglected, particularly when taking into consideration the large number of emails that employees of a company send each and every working day. However, locating the appropriate email testing tool that is adapted to your particular requirements and the nature of the situation might be difficult. These tools play an important part in the technology stack of email marketing professionals because they enable these professionals to test the designs and layouts of their email messages on a variety of devices, browsers, and platforms before sending out their messages.
In addition, several of the products in this category have an emphasis on email deliver-ability analytics, measuring important metrics such as the delivery rate, bounce rate, open rate, and click-through rate. Others may provide features for proofreading that assist in identifying problems in spelling and grammar. In this piece, we provide a curated list of some of the best email testing tools currently on the market that we have researched and put together. There is a tool that is ideal for every level of competence, so whether you are a developer, a QA tester, or an email marketer, you can find what you need.
Importance of Email Testing for Effective Email Marketing
Email marketing is still a great way for businesses to connect with their audience and get them interested in what they have to offer. But if you want your email efforts to have the most impact, it’s important to make sure your emails are optimized for deliver-ability, readability, and user experience. Email testing is very important at this point.
- Improving Email Deliverability: Email testing lets you find and fix any problems that might stop your emails from getting to the recipients’ inboxes. By trying different parts of your emails, like subject lines, sender names, and email content, you can make them more likely to get through spam filters and get to the right people.
- Optimizing Email Design and Layout: Email testing lets you see how your emails look on different platforms, email clients, and screen sizes before you send them out. By testing your email style and design, you can make sure that your emails look good, are formatted correctly, and show up right on different platforms. This makes it easier for people to read and interact with your texts.
- Testing the effectiveness of a call-to-action (CTA): Email testing lets you try out different CTAs, places to put them, and designs to see which ones get the most click-throughs. By analyzing and improving your calls to action (CTAs), you can increase sales and reach your email marketing goals.
Key Features to Look for in Email Testing Tools
A good tool for testing emails should let you test how emails look on different email clients, platforms, and screen sizes. This tool lets you see how your emails will look to the people who receive them. This makes sure that your branding, layout, and functionality are all the same.
- Testing for reception: Look for an email testing tool that lets you test for reception. This function helps find problems that could stop an email from being sent, like spam filters, authentication problems, or being put on a “blocklist.” It lets you make sure that your emails get to the right people’s inboxes.
- Email Performance Metrics and Analytics: A good tool for testing emails should be able to analyze and report on email performance metrics in detail. This includes information about how many emails are opened, how many are clicked on, how many are left blank, and other key success indicators. These analytics help you figure out how well your email efforts are doing and how to improve them based on the data.
- Compatibility with Different Email Clients and Devices: Make sure that the email testing tool works with a wide range of email clients, including famous ones like Gmail, Outlook, and Yahoo, as well as mobile devices like iOS and Android. This makes sure that your emails are optimized for a wide range of readers and that the experience is the same on all devices.
Best Email Testing Tools Comparison Table
Email testing helps you make sure that people with disabilities can read your emails. You can make accessible email campaigns that reach a bigger audience by testing for things like the right alt text for images and the right colour contrast.
Product | Litmus | Mailtrap | Stripo | SendinBlue | Brevo Marketing Platform |
---|---|---|---|---|---|
Overview | Email testing and analytics platform | Email testing and debugging tool | Email template builder | All-in-one marketing platform | Marketing automation platform |
Features | Email testing, rendering previews, | Email inbox testing, SMTP testing, | Drag-and-drop email editor, | Email marketing, SMS marketing, | Email marketing automation, CRM, |
Integrations | Email service providers, marketing | Email service providers, | ESPs, CRM systems, email service | CRM systems, e-commerce platforms, | CRM systems, email service |
Pricing | Contact for pricing information | Free and paid plans available | Free and paid plans available | Free and paid plans available | Contact for pricing information |
List of the Best Email Testing Tools
Pick an email testing tool that has a straightforward layout and easy navigation if you want to be successful. Even for those with only a basic understanding of technology, the tool need to be straightforward in its installation, operation, and comprehension. This guarantees that the testing process runs well and saves a significant amount of time.
Best Overall: Litmus #Top3

Feature | Description |
---|---|
Email Testing | Test and preview emails across different clients and devices |
Spam Filter Testing | Identify and resolve issues that may trigger spam filters |
Email Analytics | Track email performance metrics and user engagement |
Collaboration | Collaborate with team members and clients on email projects |
Email Builder | Create responsive and visually appealing email templates |
Litmus is widely recognized as one of the most effective email testing solutions available to businesses of all sizes, from startups to multinational corporations.
With Litmus, you are able to view how your email will look when viewed in more than one hundred of the most common email clients, such as Outlook, Apple Mail, the Gmail App, Samsung Mail, and many others.
You will also be able to receive notifications if your email is blocklisted or if your DMARC record was erroneously put up if you use the Litmus Spam Testing function. This will allow you to determine whether or not your email is being blocked by spam filters.
The Good
- Comprehensive email testing capabilities
- User-friendly interface
- Detailed email analytics
- Robust collaboration features
The Bad
- Higher pricing plans may be expensive for small businesses
Mailtrap #Top3

Feature | Description |
---|---|
Email Testing | Test emails in a simulated environment before sending |
Inbox Monitoring | Monitor and analyze email deliverability and response rates |
Collaboration | Share and discuss email drafts with team members |
Email Notifications | Receive alerts for incoming emails and events |
The email preview in Mailtrap works by inspecting your HTML and CSS and presenting a list of any problems that it discovers. You are unable to generate a preview for each email client, unlike Litmus; nevertheless, you are able to discover common warning signs shared by popular email clients such as Gmail and Outlook.
In addition to its functionality for previewing and testing for spam, Mailtrap possesses another useful feature: the capacity to carry out all email tests on a dummy server. This means that there is no possibility that test emails will be sent to your email subscribers inadvertently.
The Good
- Simulated email testing environment
- Real-time email monitoring and analytics
- Collaboration features for team projects
- Customizable email notifications
The Bad
- May not be suitable for high-volume email senders
Stripo #Top3

Feature | Description |
---|---|
Email Template Editor | Create and customize responsive email templates |
Drag-and-Drop Builder | Build emails with ease using a visual interface |
Collaboration | Collaborate with team members on email design projects |
Email Testing | Test and preview emails across different clients and devices |
Stripo is a tool for making emails that lets teams make responsive emails with little or no knowledge of HTML. It comes with a drag-and-drop editor and a set of basic blocks that let users make real-time content even if they don’t know how to code. One of the first companies to use AMP for Email technology was Stripo.Stripo lets you to reuse and save email modules, even across different email campaigns.
It has automated processes, custom module libraries, and a lot of ways to make it your own, like being able to embed custom HTML code to make interactive parts.It gives users access to more than 1000 responsive email themes that are free and ready to use. These templates are also mobile-friendly. Stripo comes with more than 100,000 stock images and the ability to modify and export emails.
The Good
- Intuitive drag-and-drop email builder
- Extensive library of pre-designed email templates
- Team collaboration features
- Integrated email testing capabilities
The Bad
- Limited advanced customization options0
- No built-in analytics or reporting features
Top Email Testing Tools in the Market
Email testing is an important part of email marketing because it lets you make sure your messages can be delivered, get people interested, and lead to sales. By putting time and effort into testing, you can improve your email strategy, get better results, and give your readers a smooth and interesting experience. Use the power of email testing tools to help your email marketing reach its full potential.
SendinBlue

Feature | Description |
---|---|
Email Marketing | Create and send marketing emails to subscribers |
Marketing Automation | Automate email campaigns based on user behavior |
SMS Marketing | Send SMS messages as part of your marketing strategy |
Contact Management | Manage and segment contact lists for targeted campaigns |
Sendinblue is an email marketing and marketing automation tool made for small and medium-sized businesses. Sendinblue is a full marketing hub that is easy to use. It has automation tools, email validation, reporting, and email design templates. The email automation tool from Sendinblue lets you send rules and run tasks based on what the end user does.
Sendinblue lets you communicate with specific people based on their behaviour, email addresses, and contact information. It also lets you build simple and advanced workflows and separate your contacts and email list based on how they use your website. Their “jack-of-all-trades” approach to creating, marketing, automating, and testing emails is something that many small and medium-sized businesses (SMEs) prefer to handling an endless list of email tools.
The Good
- All-in-one platform for email and SMS marketing
- Powerful marketing automation capabilities
- User-friendly interface
- Advanced contact management features
The Bad
- Limited customization options for email templates
Brevo Marketing Platform

Feature | Description |
---|---|
Email Marketing | Create and send personalized email campaigns |
Marketing Analytics | Track and analyze campaign performance and user engagement |
Segmentation | Segment contacts based on various criteria for targeted campaigns |
Automation | Automate email workflows and follow-ups |
Brevo (formerly Sendinblue), which is used by more than 500,000 companies around the world, is a cheap, all-in-one marketing and CRM stack that helps growing businesses grow faster. It’s easy to use, and businesses of all kinds can use it. With Brevo’s flexible toolkit, you can build ties with customers that last. Marketing, sales, chat, and transactional letters are all types of products. Pick what you need and only pay for what you use.
Use Brevo SMTP and APIs to send transactional emails, SMS, and WhatsApp notifications. – Automate marketing tasks to send the right message at the right time and manage your audience effectively. Tools that talk to each other can help you cut down on the number of marketing and sales apps you use and give you a full picture of your contacts with customers. With live chat and chatbot, you can talk to people in real time and answer FAQs around the clock.
The Good
- Personalized email marketing campaigns
- Robust marketing analytics and reporting
- Advanced segmentation capabilities
- Automation features to streamline email workflows
The Bad
- Limited integrations with other platforms
Questions and Answers
Yes, email testing tools can make a big difference in how well your email campaigns do. By making sure your emails look good on all platforms and devices, you improve the user experience and make it more likely that people will interact with you. By finding problems and fixing them before sending emails, you can avoid costly mistakes and make sure your efforts work as well as possible.
Yes, businesses of all kinds and in all fields can benefit from email testing tools. Whether you run a small business or a big company, email testing tools can help you improve the performance of your email marketing, make it easier for people to get your emails, and improve the user experience. No matter how skilled you are, these tools have easy-to-use interfaces that make testing possible for everyone.
Yes, there are simple testing tools for email that are free and can be used. Most of the time, these tools have limits on the number of texts you can test or the features you can use. But they can still tell you important things about how your emails will look on different devices. There are also paid email testing tools with more features and help if you want to do more in-depth testing and need more advanced features.