HTML Makr

Email Template Tester

Free Tool

Test HTML email templates across all devices. Preview desktop, tablet, and mobile views instantly.

Email HTML

Paste your email HTML code below to preview it across different devices

Device Previews

See how your email looks on different screen sizes

Full Width

Email HTML Best Practices

Layout

  • Use tables for layout structure
  • Keep width at 600px for desktop
  • Use inline CSS for styling
  • Avoid external stylesheets

Compatibility

  • Test on multiple email clients
  • Use web-safe fonts
  • Provide alt text for images
  • Include a plain text version