Free tool

Email signature generator

Create a lightweight HTML signature that renders correctly in Gmail, Outlook and Apple Mail — no tracking pixels, no heavy images, no account needed.

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Preview

Alex Rivera
Head of Lifecycle · Northwind
alex@northwind.com | +1 415 555 0134 | northwind.com | LinkedIn
Customer engagement, done properly.
<table cellpadding="0" cellspacing="0" border="0" style="border-left:3px solid #1a1a1a;padding-left:12px;">
<tr><td style="font:600 15px/1.4 Helvetica,Arial,sans-serif;color:#111;padding-bottom:2px;">Alex Rivera</td></tr>
<tr><td style="font:400 13px/1.5 Helvetica,Arial,sans-serif;color:#555;padding-bottom:8px;">Head of Lifecycle · Northwind</td></tr>
<tr><td style="font:400 13px/1.6 Helvetica,Arial,sans-serif;color:#555;"><a href="mailto:alex@northwind.com" style="color:#1a1a1a;text-decoration:none;">alex@northwind.com</a> <span style="color:#ccc;">|</span> <a href="tel:+14155550134" style="color:#1a1a1a;text-decoration:none;">+1 415 555 0134</a> <span style="color:#ccc;">|</span> <a href="https://northwind.com" style="color:#1a1a1a;text-decoration:none;">northwind.com</a> <span style="color:#ccc;">|</span> <a href="https://linkedin.com/in/alexrivera" style="color:#1a1a1a;text-decoration:none;">LinkedIn</a></td></tr>
<tr><td style="font:400 12px/1.5 Helvetica,Arial,sans-serif;color:#888;padding-top:10px;border-top:1px solid #eee;">Customer engagement, done properly.</td></tr>
</table>

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Oitomail keeps sending identities, signatures and unsubscribe headers consistent across every campaign and sequence you run.

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Signature rules that protect deliverability

  • Keep it text-first: a signature that is mostly image is a classic spam-filter pattern.
  • Use inline styles and tables — Outlook ignores most modern CSS.
  • Limit yourself to one accent colour and 4–6 lines of information.
  • Always include a real reply-to address; role addresses like noreply hurt engagement.

Frequently asked questions

Does this generator work with Gmail and Outlook?

Yes. The signature is table-based HTML with inline styles, which is what Gmail, Outlook, Apple Mail and most clients require. Copy the rendered signature or paste the HTML.

Why should I avoid images in a signature?

Remote images are blocked by default in many clients and heavy signatures raise the image-to-text ratio, which can hurt deliverability. Text-first signatures render everywhere.

Is my information stored?

No. The signature is generated in your browser and never sent to Oitomail.

How do I install it in Gmail?

Open Settings → See all settings → General → Signature, create a signature, then paste the rendered preview (not the HTML source) into the editor and save.

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