Free Tool

Email Signature Generator

Build a professional HTML email signature in under a minute. Works in Gmail, Outlook, Apple Mail, and every major email client. Live preview as you type.

Your details

Square image hosted on your website (60×60px recommended)

Live Preview

Updates as you type

HTML Source

Paste this HTML into your email client's signature settings (Gmail, Outlook, Apple Mail all support HTML signatures).

— signatures generated

Installation

How to Install Your Signature

Gmail

Settings → See all settings → Signature → Create new → Paste the HTML

Outlook (Web)

Settings → Mail → Compose and reply → New signature → Paste HTML

Outlook (Desktop)

File → Options → Mail → Signatures → New → Paste HTML

Apple Mail

Mail → Settings → Signatures → + (plus) → Paste, then uncheck "Always match my default message font"

Thunderbird

Account Settings → Edit Signature in HTML → Paste

iPhone / iPad

Open email on a phone is harder — copy formatted preview to Mail signature, then sync. Recommended: set up on desktop, sync.

FAQ

Frequently Asked Questions

Why is the image not showing in my email?
The image URL must be publicly hosted (not on your local machine) and must serve over HTTPS. Many email clients block images from untrusted sources by default — the recipient may need to click "show images". Upload your photo to your website or a service like Imgur for best results.
Will this work in Gmail and Outlook?
Yes. The generated HTML uses table-based layout (the most compatible across email clients) and inline styles only. Tested in Gmail, Outlook (web + desktop), Apple Mail, Thunderbird, and most major mobile clients.
Why use HTML signatures instead of plain text?
HTML signatures look more professional, support branding (colour, logo), make links clickable, and let you include social icons. Plain text works everywhere but limits your branding.
How do I make the signature smaller / fit Gmail?
The "Minimal (no photo)" layout is the most compact. Keep your tagline short. Gmail mobile shows the first ~150 characters before "..."
Can I add my company logo?
Yes — upload your logo to your website, then use the logo URL in the Profile Photo field. Square format works best (300×300px or 60×60px).

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