ZANTROSignatures
100% Free · No account required

Professional email signatures, built in seconds

Design a polished HTML signature with live preview, vibrant templates, social icons and a Cal.com booking button — then copy it straight into Gmail, Outlook or Apple Mail.

Start BuildingBrowse Templates
Pro templates
12
Social networks
6
Gmail / Outlook export
1-click
Free forever
$0

Quick Start

Signature Editor

Open the customization studio — live preview, colors, socials and one-click export.

Start designing

Templates

Browse the gallery of preset designs and apply one to your signature instantly.

Browse designs

Cal.com Scheduling

Embed a “Book a Meeting” button in your signature with our Cal.com integration.

Set up scheduling

Live preview

See every change render in real time, on light and dark email backgrounds.

Client-safe HTML

Table-based inline CSS that renders perfectly in Gmail, Outlook, Apple Mail & Yahoo.

Private by design

Everything is generated client-side. No sign-up, no tracking of your details.

Team-ready

Share a team link so colleagues start from your company defaults.