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Free • No Sign-up • 100% Client-Side

Email Signature Generator

Create professional, bulletproof HTML email signatures compatible with Gmail, Outlook, Apple Mail, Yahoo Mail and more. Multiple templates, social icons, CTA buttons, banners, and meeting links — all in one tool.

Choose a Template

Select a layout that matches your brand. You can customize everything in the next steps.

Why use an email signature generator for professional emails?

An email signature is more than a sign-off — it's a digital business card that reinforces your brand with every message sent. Professional signatures with complete contact details increase email response rates, build trust with recipients, and turn every outgoing email into a marketing touchpoint. Loopy HQ's Email Signature Generator lets you create bulletproof HTML signatures that display consistently across Gmail, Outlook, Apple Mail, Yahoo Mail, and mobile clients. Choose from 8 professionally designed templates, add social media icons, call-to-action buttons, meeting scheduler links, and promotional banners — all without writing a single line of code. The tool runs entirely in your browser: no accounts, no data collection, no limits.

Frequently Asked Questions

What is an email signature generator?
An email signature generator is a browser-based tool that creates formatted HTML signatures for professional email clients. You enter your contact details, choose a template and brand colors, optionally add a photo or logo, and the tool produces ready-to-use signature code. Loopy HQ's generator runs entirely in your browser — no account required, no data sent to any server, and no limitations on the number of signatures you can create.
What should a professional email signature include?
The essentials for any professional signature are: 1. Full name (prominent, scannable in under 2 seconds) 2. Job title and company name 3. Phone number and email address 4. Website URL Recommended additions: headshot or logo, 2-3 social media links, a call-to-action (meeting link, portfolio, latest content), and consistent brand colors.
Can I add a call-to-action or meeting link to my signature?
Yes. Our generator supports multiple CTA options: • CTA Button: A colored button linking to your portfolio, latest product, or landing page • Meeting Scheduler: An outlined button linking to Calendly, Cal.com, or any booking tool • Promotional Banner: A clickable image banner for campaigns, events, or product launches Studies show email signatures with a clear CTA drive up to 40% higher engagement compared to generic sign-offs.
What email clients are compatible with these signatures?
Our signatures use table-based HTML with inline styles — the gold standard for email compatibility. Tested and working with: • Gmail (web and mobile) • Outlook (web, desktop, and mobile) • Apple Mail (macOS and iOS) • Yahoo Mail • Thunderbird • Samsung Mail • HubSpot CRM signatures The templates avoid CSS properties known to break in older Outlook rendering engines (Word HTML).
How do I add my signature in Gmail, Outlook, or Apple Mail?
• Gmail: Settings → See all settings → General → Signature → Create new → Paste → Save Changes. • Outlook Web: Settings → Mail → Compose and reply → Email signature → Paste → Save. • Outlook Desktop: File → Options → Mail → Signatures → New → Paste. • Apple Mail: Mail → Settings → Signatures → Select account → Click "+" → Paste. Use the "Copy Signature" button (rich-text copy) for the best results when pasting.
Why is my email signature not displaying correctly?
The most common reasons signatures break: • Images hosted locally instead of via public URL (use hosted image links) • CSS styles not inlined (our generator uses inline styles for maximum client compatibility) • Signature too large — Gmail clips emails over 102KB (keep images small, total HTML under 10KB) • Pasting HTML source directly instead of using rich-text copy Always test by sending yourself an email from different clients.
Is my data safe? Does this tool store anything?
Your data never leaves your browser. Loopy HQ Email Signature Generator is 100% client-side — no backend processing, no database storage, no cookies, no tracking. The HTML is generated entirely in JavaScript on your device. This means your contact details, images, and branding choices remain completely private. You can even use the tool offline once the page has loaded.
How many social media icons can I add?
You can add up to 10 social platforms: LinkedIn, Twitter/X, GitHub, Instagram, YouTube, Facebook, Dribbble, Behance, TikTok, and Discord. Best practice: include only 2-4 icons that are most relevant to your professional identity. Too many icons can clutter the signature and reduce click-through rates.

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