This free simulator shows your email the way a phone shows it.
Subject and body in, lock screen and inbox row out.
9:41
Mail · nowQuick question about FernhillHi Marta, saw the new Lyon warehouse. We help logistics teams cut picking errors with a sc…
Quick question about FernhillHi Marta, saw the new Lyon warehouse. We help logistics teams cut pick…
Subject: 29 characters (fully visible).
Quick rule-based checks, run in your browser. The MailDignity API reads full context with AI and writes rewrites.
Most cold emails are judged on a phone.
A large share of B2B email is first seen on mobile, often as a notification.
Truncation hides what you wrote last — and shows what you wrote first.
Frequently asked questions.
Is the preview exact?
It is an approximation of common iOS and Android layouts.
How long should a subject be?
Under 40 characters stays fully visible on most phones.
Can I control preview text?
In plain-text cold emails, it is your first sentence.
Free?
Yes.
Check every email before it sends.
Same standard, with AI context and rewrites. One API call from Clay, Make, n8n or Zapier.
Explore the API