Test your email designs on +40 real devices for FREE!
Hey PH! 👋
We just shipped something we've been wanting forever: Email Design Checker
Here's the problem: You spend hours designing an email, hit send, and it looks broken on Outlook. Or lands in spam. Or has a dead link. Or not compatible with dark mode. We've all been there.
How it works:
Forward your email to our test address (or upload HTML/paste code)
Get instant results across 30+ real devices
See exactly what's broken and fix it with AI
What we check:
📱 Device previews (Gmail, Yahoo, Apple Mail, Outlook, AOL...)
✅ CSS compatibility across all email clients
🔗 Every link in your email
✍️ Grammar & content issues
📬 Deliverability/spam triggers
The best part? It's free. No signup required.
Just send your email → see results → share with your team → use AI to fix any issues automatically.
We built this because we were tired of the "send and pray" approach. Now you can ship emails with confidence.
Try it: https://migma.ai/email-html-spam-checker
Would love your feedback! What other checks would you want to see?
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