SignatureKit

Free email signature generator

Professional HTML signatures for Gmail, Outlook and Apple Mail — built in 60 seconds. No signup, no forced watermark, and nothing ever leaves your browser.

No signupRuns locally12 templatesDark-mode safe

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Template

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Unlock Pro

All 12 templates, HTML file download and saved profiles.

No license yet? See pricing →

Live preview — exactly what your email clients will render

After copying: Gmail → ⚙️ Settings → See all settings → Signature → paste (Ctrl/Cmd+V) → Save. Step-by-step: Gmail · Outlook · Apple Mail

Frequently asked

Is SignatureKit really free?

Yes. Four templates, unlimited edits and copy-paste install are free forever, with no signup and no forced watermark. Pro ($4/month) adds all 12 templates, HTML file download, saved profiles and more.

Will it work in Gmail, Outlook and Apple Mail?

Yes. Every template is hand-built with HTML tables and inline CSS — the only markup email clients render reliably — and each platform has a step-by-step install guide above.

Do you store or upload my data?

No. The generator runs entirely in your browser. Your details, logo and signature never leave your device — there is no server to send them to.

What is the difference between Free and Pro?

Free gives you 4 starter templates and unlimited copy-paste. Pro unlocks all 12 templates, downloading your signature as an HTML file, saved profiles, logo and color customization. Full comparison →