Tools/Email Template Tester

Email Template Tester

Name: Stack0
Price: 5 USD
Author: Stack0

Preview HTML email templates in desktop and mobile views. Test your design before sending.

HTML Template

<!DOCTYPE html>
<html>
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Welcome Email</title>
</head>
<body style="margin: 0; padding: 0; font-family: Arial, sans-serif;">
  <table role="presentation" style="width: 100%; border-collapse: collapse;">
    <tr>
      <td align="center" style="padding: 40px 0;">
        <table role="presentation" style="width: 600px; border-collapse: collapse;">
          <tr>
            <td style="padding: 40px 30px; background-color: #ffffff;">
              <h1 style="margin: 0 0 20px 0; font-size: 24px; color: #333333;">
                Welcome to Our Service!
              </h1>
              <p style="margin: 0 0 12px 0; font-size: 16px; line-height: 24px; color: #666666;">
                Thank you for signing up. We're excited to have you on board.
              </p>
              <p style="margin: 0 0 20px 0; font-size: 16px; line-height: 24px; color: #666666;">
                Get started by exploring our features and customizing your experience.
              </p>
              <table role="presentation" style="border-collapse: collapse;">
                <tr>
                  <td style="border-radius: 4px; background-color: #4F46E5;">
                    <a href="#" style="display: inline-block; padding: 12px 24px; font-size: 16px; color: #ffffff; text-decoration: none;">
                      Get Started
                    </a>
                  </td>
                </tr>
              </table>
            </td>
          </tr>
          <tr>
            <td style="padding: 20px 30px; background-color: #f8f9fa; text-align: center;">
              <p style="margin: 0; font-size: 14px; color: #999999;">
                © 2026 Your Company. All rights reserved.
              </p>
            </td>
          </tr>
        </table>
      </td>
    </tr>
  </table>
</body>
</html>

Preview

Best Practices

Use Tables for Layout

Email clients have limited CSS support. Use table-based layouts for best compatibility.

Inline Styles

Always use inline styles instead of external CSS. Many email clients strip style tags.

Test Everywhere

Preview in multiple clients and devices. Each renders HTML differently.

Send emails at scale

Stack0 Mail delivers transactional emails with 99.9% deliverability. $0.90 per 1K emails.

Start Sending