Email Signature Generator
Create a clean, professional HTML signature in seconds. Fill in your details, pick an accent color, and paste it into Gmail, Outlook, or Apple Mail.
Your details
Live preview
How to use: Click "Copy Signature" → open Gmail (Settings → General → Signature) or Outlook (File → Options → Mail → Signatures) → paste.
What Makes a Professional Email Signature?
The silent business card on every email you send — and the rules that keep it from looking promotional.
An email signature is the silent business card on every email you send. Done right, it builds trust on the first impression: name, role, company, one contact method, one link. Done wrong (banner images, multiple social icons, mismatched fonts), it looks promotional — and lowers reply rates.
This generator outputs clean, table-based HTML that renders consistently in Gmail, Outlook, and Apple Mail. The signature is intentionally minimal: a colored accent bar, your name, role + company, contact info, website. Nothing else.
Use it for cold email, customer replies, and internal email alike. Update once every 6–12 months as your role or contact details change.
How to Generate & Install Your Signature
Four steps from blank to working signature in your email client.
1. Fill in your details
Name, role, company, contact details, location. The preview updates as you type so you can see the final result.
2. Pick an accent
Choose one of five preset colors or pick your own. The accent appears on the left bar and links.
3. Copy
Click "Copy Signature". The HTML goes to your clipboard with formatting preserved.
4. Paste into email
Open Gmail → Settings → General → Signature, or Outlook → File → Options → Mail → Signatures. Paste, save, send.
The Six Elements of a Great Signature
Keep it lean. More elements always reduce trust.
Name
Full name, properly cased. No initials unless that's how you go professionally.
Role & company
Specific title (not "Founder") and company name. Helps recipients place you at a glance.
Email address
Yes, in addition to the From field. Some forwarded emails strip the original sender, so include it.
Phone (optional)
Include if you actually want calls. Skip if you're cold-emailing high volume — phones become noisy.
Website
Company domain only. Avoid utm-tagged tracking links — they look corporate and trigger filters.
Location
City + state/country. Helps with timezone and trust, especially when emailing across regions.
Signature Best Practices
Small details that signal "real human" to both filters and recipients.
Keep it 3–5 lines
Anything longer reads as promotional. Strip every line that isn't strictly useful for replying.
No banner images
Banner images bloat email size and trigger spam filters. A colored accent bar (table border) gives the same brand cue without an image.
One link, maybe two
Website + (optional) LinkedIn. More than that and the signature starts looking like a marketing footer.
Match the brand color
Use a single accent color matching your brand. Multiple colors look amateur and trigger more spam scoring.
No disclaimers
"This email is confidential…" boilerplate signals enterprise spam. Skip it for cold outreach.
Test in real clients
After installing, send a test to Gmail, Outlook, and Apple Mail accounts. Tiny rendering differences exist — check each.
Signature Mistakes
What we see kill reply rates more often than the email body itself.
Banner images
Adds size, triggers spam filters, and breaks on mobile. Use a colored bar instead of a banner.
Five social icons
Twitter, LinkedIn, Instagram, YouTube, Facebook — looks like a brand footer. Pick one (LinkedIn).
Mixed fonts
Multiple font families look broken across clients. Stick to one system font (Arial / Helvetica).
"Sent from my iPhone"
Outdated. Either delete it or replace with your actual signature on mobile too.
Marketing quotes
"Driven by data, powered by passion" — pure noise. Recipients skim past it; spam filters notice.
vCard or calendar attachments
Attachments in cold email are an instant spam signal. Skip the .vcf, skip the calendar invite.
Installing the Signature in Your Email Client
Step-by-step for the three most common clients.
Gmail
- Click the gear icon → "See all settings" → "General".
- Scroll to "Signature" → "Create new" → name it.
- Paste the signature into the editor and save.
- Set as default for new emails and replies.
Outlook (desktop)
- File → Options → Mail → Signatures.
- Click "New", name the signature.
- Paste into the editor, set as default for new/reply.
- Save and close.
Outlook (web)
- Settings (gear) → "View all Outlook settings".
- Mail → Compose and reply → Email signature.
- Paste, then choose when to apply.
- Save.
Apple Mail
- Mail → Settings → Signatures.
- Choose the account on the left.
- Click "+" and paste into the right panel.
- Drag to set the default order.
Frequently Asked Questions
Everything about creating and installing a professional email signature.
Fill in your name, title, company, contact details, and pick an accent color. The signature renders live as you type. When it looks right, click Copy and paste into your email client's signature settings.
Yes. After copying, paste into Gmail Settings → General → Signature. Gmail preserves the HTML formatting (the colored bar, layout, and links).
Yes. The signature uses table-based HTML which is compatible with Outlook (desktop and web), Apple Mail, and most other clients. For Outlook desktop, paste into File → Options → Mail → Signatures.
Name, role, company, one contact method (email or phone), and one link (LinkedIn or website). For cold email, less is more — overly busy signatures look promotional and lower trust.
For cold email, no — image-heavy signatures trigger spam filters and inflate email size. For warm outreach and ongoing conversations, a small headshot can humanize the message.
Three to five lines. Name + title + company on one line, contact details on another, optional link on a third. More than five lines starts to feel promotional.
Yes, but keep to one or two — LinkedIn is the most appropriate for B2B. Avoid icons in the signature unless you can host the images on a CDN; many email clients strip them otherwise.
It will look very close. Email HTML rendering varies slightly across Gmail, Outlook, and Apple Mail (font fallbacks, link colors). The table-based structure used here is the most robust pattern.
No. Everything runs in your browser. Your name, contact details, and signature HTML never leave your device.
Whenever your role, company, or contact details change — typically every 6–12 months. A signature that lists outdated info reads as careless to prospects.
Complete the Cold Email Toolkit
Pair your signature with these for a complete workflow.
These tools work together with the Email Signature Generator to improve cold email deliverability, reply rates and campaign performance. Each tool targets a different stage of outbound — copy, subject lines, deliverability, timing — so you can audit and optimize the full sequence in one place.
Template Builder
Build cold email templates using proven frameworks.
OpenCopy Analyzer
Analyze email copy for personalization, clarity and CTA strength.
OpenSubject Line Tester
Test subject lines for open rate potential.
OpenSpam Checker
Identify spam trigger words before sending.
OpenAuth Checker
Verify SPF, DKIM and DMARC records.
OpenSend Time Optimizer
Find the best time to send sales emails.
OpenNeed cold email infrastructure set up properly?
Signature, deliverability, copy, and sending — we run the full stack for B2B teams. Get a free audit.