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July 25, 2026
Tips & Tricks

Mobile-Friendly Email Signature: Design for Phones

Over half of email is read on phones. Here is how to keep signatures readable on mobile.

Mobile clients stack signature blocks vertically and shrink images. Wide tables get clipped; tiny text becomes unreadable.

Mobile checklist

  • Max 600 px width
  • Phone number as tap-to-call link
  • Font size 13 px minimum
  • Stack logo above text on narrow view
  • Test sent mail on iPhone Gmail app

Related

Signature size · Apple Mail guide · Gmail guide

Preview on mobile before export

Use live preview in the generator and send a test from your phone after installing.

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