Hi John,
Great speaking with you earlier. As discussed, I'm sending over the proposal you requested.
Looking forward to your thoughts.
The most powerful free email signature maker online. Choose from 12 stunning professional templates, customise every detail, and generate a perfect HTML email signature in under 60 seconds — compatible with Gmail, Outlook, Apple Mail, Yahoo, Thunderbird, and Office 365.
Every change appears live in the preview
Your HTML will appear here after generating your signature.
ProspectOK finds unlimited verified B2B contacts from LinkedIn, Google Maps, and daily new domain registrations. Every email with your new signature reaches a real decision-maker.
Whether you send 10 emails or 10,000 emails a day, your signature is a permanent brand touchpoint on every single one.
Add a Calendly booking button directly into your cold email signature. Turn every follow-up into a frictionless meeting invitation. The professional design signals credibility before the prospect reads a single word.
Run passive marketing campaigns via your email signature banner. Promote upcoming webinars, product launches, case studies, or ebook downloads on every outgoing email — zero ad spend required.
Standardise every team member's signature with your logo, brand colors, and consistent contact details. A unified signature across the organisation signals professionalism to every client and prospect.
Combine your headshot, company logo, LinkedIn, and a "Schedule a Demo" CTA in one clean signature. Turn routine investor outreach and partnership emails into subtle product discovery moments.
Enforce company-wide signature standards across the entire sales organisation. Eliminate rogue formats, outdated phone numbers, and inconsistent branding — with a one-size template anyone can deploy.
Create a polished student email signature that includes your degree programme, LinkedIn, portfolio URL, and professional headshot. Stand out from thousands of other applicants in every university or internship email.
Add GDPR-compliant legal disclaimers, regulatory notices, and confidentiality statements automatically to every email. Choose the Corporate or Executive template for appropriate gravitas and professionalism.
Showcase your personal brand with the Creative or Neon template. Add your Dribbble, Behance, or portfolio link alongside a bold photo and standout colour scheme that reflects your design aesthetic.
Add country-specific phone numbers, WhatsApp links for regional markets, and localised CTAs. Create different signature variations for different regions or client verticals in minutes with zero design skills.
We analysed every major email signature tool and built a better version — with every pro feature, completely free.
Modern, Minimal, Bold Dark, Classic, Creative, Corporate, Gradient, Sidebar, Compact, Executive, Neon, and Card — designed for every industry and brand style.
Add your headshot and company logo via URL. Control size, shape (circle/rounded/square), and positioning through the design panel.
LinkedIn, X/Twitter, Instagram, Facebook, YouTube, TikTok, GitHub, WhatsApp, Pinterest, and Dribbble — with colour, mono, text, and outline icon styles.
Add a clickable call-to-action button with custom text, URL, and button colour. Works seamlessly with Calendly, HubSpot, and any booking tool.
Add a clickable image banner below your signature to promote events, offers, or content campaigns on every email you send.
9 preset accent colours plus custom color picker. Separate controls for primary, secondary, name text, title text, contact info, and CTA button colours.
Arial, Georgia, Verdana, Trebuchet, Tahoma, Palatino, Garamond, Courier New, and Impact — all web-safe for consistent rendering across every email client.
Fine-tune photo size, logo width, signature max width, internal padding, font sizes for both name and body, divider thickness, and icon corner radius.
Toggle department, mobile number, fax, address, pronouns, awards, and environmental statement on or off. Build the exact signature you need.
Switch between a desktop Gmail mockup and a mobile phone frame to see exactly how your signature renders before you deploy it.
"Copy Signature" for direct paste into Gmail and Outlook. "Copy HTML Code" for Apple Mail, Thunderbird, and advanced email clients or developers.
Switch to the Code view tab to inspect the generated HTML directly in the browser. Understand and customise the output for advanced deployments.
Add legal disclaimers, GDPR notices, confidentiality statements, and regulatory footers. Essential for law firms, financial services, and EU-based teams.
Add environmental print disclaimers, pronoun preferences, and inclusion statements — increasingly standard for modern professional email signatures.
Showcase your credentials — Forbes 30 Under 30, ISO certifications, industry awards — directly in your signature for immediate credibility.
Every field you update appears in the preview in real time — no form submission, no page reload, no waiting. What you see is what you get.
A professional email signature is far more than a digital business card. It's a passive marketing channel, a trust signal, a contact hub, and a brand touchpoint — appearing on every single email you send, whether it's a cold outreach, a client update, or an internal memo.
In 2025, the best email signatures combine several essential elements with optional enhancements that turn routine correspondence into quiet lead generation. Here's what every professional email signature should include:
The most common question we hear is whether a free email signature generator can compete with paid tools. The answer, for most professionals, is yes. The key differences come down to analytics tracking (which requires server-side integration), team management features, and signature enforcement across an entire organisation.
For individuals, small teams, and SMBs, a free email signature generator that produces clean, responsive HTML — compatible with Gmail, Outlook, Apple Mail, and all major email clients — covers 95% of use cases. ProspectOK's free tool includes all features paid tools charge $5–$15/month for, including CTA buttons, banners, and social icons with no watermark.
An HTML email signature allows you to include images, formatted text, clickable links, coloured sections, and social icons. A plain text signature is just raw text with no formatting. For professional B2B outreach and client communication, HTML signatures are the standard. They convey professionalism, brand consistency, and make your contact information immediately actionable.
The one exception is high-volume cold email outreach — some deliverability experts recommend minimal or plain-text signatures for initial cold emails to avoid spam filters. In practice, a clean HTML signature with one or two links and a small photo has negligible impact on deliverability when your domain is properly warmed up.
Creating a free Gmail signature takes under two minutes using ProspectOK's generator. Here's the complete process:
The standard maximum width for a professional email signature is 400–600 pixels. Wider signatures break on mobile clients. Profile photos should be 60–100px. Company logos should be no wider than 130px. Keep total signature file weight under 100KB. These are the standards followed by enterprise email teams and enforced by IT departments in Fortune 500 companies — and they're built into every template in this generator.
All 12 templates are tested for correct rendering across every major email platform — desktop, web, and mobile.
| Feature | ProspectOK (Free) | Platform A | Platform B | Platform C |
|---|---|---|---|---|
| Number of templates | 12 | 6 (free) | 5 (free) | 12 |
| Free with no watermark | ✓ Yes | ✗ Paid | ✗ Paid | ✓ Yes |
| No signup required | ✓ Yes | ✗ Required | ✗ Required | ✗ Required |
| CTA button | ✓ Yes | ✗ Paid | ✗ Paid | ✓ Yes |
| Banner image | ✓ Yes | ✗ Paid | ✓ Yes | ✗ No |
| Social icons (10 platforms) | ✓ 10 | 6 (free) | 5 (free) | 4 |
| Custom color picker | ✓ Full | ✗ Paid | ✓ Yes | ✓ Yes |
| Mobile preview | ✓ Yes | ✗ No | ✗ No | ✗ No |
| Live HTML code view | ✓ Yes | ✗ No | ✗ No | ✗ No |
| Legal/GDPR disclaimer field | ✓ Yes | ✗ Paid | ✓ Yes | ✗ No |
Everything you need to know about creating, installing, and optimising professional email signatures.
ProspectOK finds unlimited verified B2B leads from LinkedIn, Google Maps, and new domains — so every polished email you send reaches a real decision-maker.
No credit card · Cancel anytime · Plans from $49/month