Free email preview tool
Preview how your emails look across desktop, mobile, and dark mode before you hit send. Paste your HTML and see it rendered instantly.
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How the email preview tool works
1
Paste your HTML
Copy your email template HTML and paste it into the editor above.
2
Switch viewports
Toggle between Desktop (640px), Mobile (375px), and Dark Mode to see how your email adapts.
3
Refine & send
Spot layout issues, fix them in your code, and re-preview until everything looks perfect.
Frequently Asked Questions
FAQs about email previewing
Email Builder
Build beautiful emails without code
MailGreet's drag-and-drop builder creates responsive, cross-client compatible emails with built-in preview — no manual HTML needed.