Best HTML email builders in 2025

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Email marketing can do more than just deliver news. The design of the email creates a mood, forms an impression of the company, and influences customer loyalty and conversion.

The easiest way to create attractive and modern newsletters is with an email builder. We'll tell you what it is, how to choose an email builder, and which services to consider first.

Content

What is an email builder?
How to choose an HTML email builder
5 Best HTML Email Template Builders in 2025
What is an email builder?
An HTML email builder is a tool for creating email templates that can then be used in email campaigns. Almost all the colorful banner newsletters that arrive in your inbox every day are created using HTML templates. If you haven't created emails in a builder before, here are a few reasons to give it a try:

Save time. Even if one of your employees is fluent in HTML, manually formatting an email will take a lot of time. The email newsletter builder allows you to create templates faster and without unnecessary effort.
Ready-made designs. Using the email builder, you don't have to come up with a design, as the ready-made templates are created by professional designers. Just change the design to suit your needs.
Compatibility with most email clients ensures that the letter will look the same for each recipient, and all design elements will be displayed correctly.
Convenient collaboration. Many online letter belarus phone number list designers offer collaborative editing, so the entire team can participate in creating the design.
Easy access. Another advantage of an online letter designer is that the designs you create are stored in the cloud. There’s no need to wait for colleagues to send files—you can access them anytime, from any device.
How to choose an HTML email builder
Email builders are a very popular service. There is a wide selection of programs with different functionalities and for any budget. What features are most important when choosing an email builder for your newsletter?

A sufficient library of ready-made templates
There are simple free online HTML email builders that contain a small number of designs. There are services with thousands of templates. If there are too few options, it will probably be difficult to find a suitable design. On the other hand, paying for an expensive builder with a huge number of templates, companies often use only a few of them. A good solution is to choose a service where there are quite a few templates, but not too many. By the way, the NetHunt CRM system allows you to save 10 or more ready-made templates and send an unlimited number of emails via Gmail for free.

Built-in image editor
Of course, you can do without this feature, as there are many third-party image editors. But practice shows that the ability to edit images in the email builder is convenient and saves time.

Quick preview
Before using a template in an email campaign, you need to make sure that it will be displayed correctly to recipients. To do this, you need to use the preview function in the HTML email builder.

Compatibility with email clients
Before choosing an email builder for your newsletter, make sure its templates are compatible with all major email clients.

Integration with a mailing service
Integrating the email template designer with the mailing service is an important feature for ease of use and time saving.

Simple and clear interface
To make the program easy to use, choose an email newsletter builder with clear controls. We also recommend making sure that the visual editor does not freeze, works quickly and without errors.

Co-editing
This feature is becoming increasingly relevant, especially as many companies transition to remote work. Collaborative editing allows multiple employees to work on a template simultaneously and see changes in real time.