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Email Signature with a WhatsApp Button

Add a “Chat on WhatsApp” button to your Gmail or Outlook signature, so customers can message you in one tap.

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Button colour

Uses only text and colours — no images to host, so it shows even when images are blocked. Nothing you type leaves your browser.

Preview

Regards,

Your Name

Add your WhatsApp number to show the “Chat on WhatsApp” button.

Gmail

Settings (⚙) → See all settings → General → Signature → Create new → paste → Save changes at the bottom.

Outlook

Settings → Mail (or Accounts) → Signatures → New signature → paste → Save. In the Outlook desktop app: File → Options → Mail → Signatures.

How it works

Your email signature in 3 steps

1

Fill in your details

Name, role, company, email, website and your own WhatsApp number.

2

Check the preview

Pick a button colour and add an opening message if you like. The “Chat on WhatsApp” button links to wa.me with your number.

3

Copy and paste

Click Copy signature and paste it into Gmail or Outlook signature settings.

Why add WhatsApp to your email signature

Many customers find it quicker to reply on WhatsApp than by email. A button under every email you send lets them open a chat with you in one tap, with your number already filled in.

How the button works

It's a plain wa.me link — WhatsApp's click-to-chat link — so it works on phones and computers. The button is made of text and colour only, so it shows even when the email app blocks images. Need the link alone, or a QR code for print? Use the WhatsApp link generator or the QR code generator.

When many customers start writing in, a shared team inbox helps — see Lead Pattern's WhatsApp Business API.

Email signature FAQ

How do I add a WhatsApp link to my Gmail signature?+

Make the signature here, click Copy signature, then in Gmail open Settings → See all settings → General → Signature, create a new one, paste it and click Save changes at the bottom.

How do I add it in Outlook?+

Click Copy signature, then open Outlook's Settings → Signatures (in the desktop app: File → Options → Mail → Signatures), create a new signature, paste and save.

The pasted signature shows code instead of a button. What now?+

Your browser copied the HTML code instead of the finished signature. Try another browser, or paste the code into an email app that accepts HTML signatures.

Which number should I use?+

Your own WhatsApp number, or your business's. Ten-digit Indian numbers get 91 added automatically; for other countries, start with + and the country code.

Is my information stored?+

No. The signature is made in your browser; nothing is uploaded.

More free tools

Other tools you might need

WhatsApp Link Generator

A wa.me link that opens a chat with your number.

Open tool →

WhatsApp QR Code Generator

A QR code customers scan to chat with you.

Open tool →

WhatsApp API Eligibility Checker

Is your business ready for the WhatsApp Business API? A quick yes/no check.

Open tool →

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Lead Pattern

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