Email Signature Banner: Best Practices & Size Guide

Use signature banners for campaigns without breaking layout or deliverability.

Banners can promote webinars, product launches, or events — but one banner at a time, below contact info, with an expiry date when the campaign ends.

Banner specs

Upload banner image in the generator, link it, preview, export. Team? Use shared templates.

A complete step-by-step guide to creating a professional email signature that works in every major email client.

Nine professional email signature examples — minimal, corporate, creative — ready to customize and export.

Add a professional HTML email signature to Gmail on desktop and mobile without breaking layout or images.

Start using our free AI-powered email signature generator and create a professional signature in minutes.