Email preheader counter

Type your preview text and see live how many characters you have, whether you are in the sweet spot, and exactly where each major email client cuts it off.

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Sweet spot: 40–130 characters

Cut-off per email client

Email clientMobileDesktop

Runs entirely in your browser. Nothing is uploaded.

How it works

STEP 1

Type your preheader

Paste or type your email preview text into the input field. The live meter updates instantly.

STEP 2

Check the sweet spot

The meter highlights the 40–130 character range that most clients display well. Stay in the green zone for best results.

STEP 3

See per-client cut-offs

A table shows exactly where Gmail, Apple Mail, Outlook, Yahoo Mail, and Samsung Mail truncate your text on mobile and desktop.