Most email signature generators teach you to add large images, multiple URLs, banners, and tracking pixels. Inside corporate email, these look great. Inside cold outreach, every one of those elements is a strike against you.
The signature you spent an hour designing becomes the reason your campaign lands in promotions instead of the primary inbox.
This generator was built to do the opposite: produce a clean, lightweight signature that helps your emails land where they're supposed to.

How to Generate a Cold-Email-Safe Signature in 4 Simple Steps
Type in your full name, job title, company, email address, and phone number. These are the five elements that should always be in a professional signature. Skip optional fields like address and pronouns if you're optimizing for cold outreach (a smaller signature = better deliverability).
Include your LinkedIn URL because it's the one social link that matters for B2B. Skip Facebook, Instagram, and X unless your role is consumer-facing. If you want a calendar booking link, add it here (Calendly, SavvyCal, Cal.com). Keep the total URL count under three for cold email.
Pick a template that matches your role. For cold outreach, a text-first template with one small logo performs best. For warm conversations and inbound replies, you can add a photo and brand colors without significant deliverability cost.
Use the copy button to grab either the rich-text version (for Gmail's signature editor) or the raw HTML (for Outlook, Apple Mail, or pasting into Smartlead campaigns). Step-by-step instructions for each email client are in the FAQ below.
An email signature is a short block of text, contact details, and optional images that's automatically appended to the end of every email you send.
A cold-email-safe signature is the version of that block built for outbound campaigns: under 5KB of HTML, one image at most, three URLs maximum, and no tracking pixels.
You're running multi-touch campaigns to prospects who don't know your brand. Every signature element is a chance for inbox providers to flag your email as bulk. A tight, text-first signature signals that the email came from a person, not a marketing automation tool.
You have 5-50 reps sending cold emails from multiple inboxes. Inconsistent signatures across the team hurt your collective sender reputation and create brand inconsistency. A signature generator that everyone uses keeps the team aligned.
Large websites or applications may use numerous domain names and subdomains for various functions. Regularly verifying CNAME records ensures that all these domains point to the correct destinations and streamline DNS management.
You manage cold outreach across multiple client accounts. Each client needs a brand-consistent signature that doesn't tank deliverability. Generate per-client signatures in seconds without designing each one from scratch.
Enhance your cold emailing with smart tools for better deliverability, personalization, and engagement.
Explore All ToolsGet AI-native operating system for your enterprise sales team
Book a DemoYes, completely free. No signup, no email required, no paywall. Generate as many signatures as you want and paste the HTML into any email client.
Every signature adds weight to your email. Heavy signatures push the total email size over thresholds that Gmail, Outlook, and other inbox providers use to triage incoming mail. Multiple URLs trigger reputation checks. Tracking pixels get flagged as suspicious behavior. The cumulative effect of cold email can drop primary-inbox placement by 15-30%.
Open Gmail, click the gear icon (top right), select "See all settings", scroll to the Signature section, paste your signature HTML, and click "Save Changes" at the bottom of the page.
Open Apple Mail, click Mail in the menu bar, select Settings, choose the Signatures tab, click "+" to add a new signature, paste your HTML, and assign it to the email account you want to use it with.
Yes. Every template is designed to look professional across both desktop and mobile clients. The templates default to web-safe fonts (Arial, Georgia, Verdana) that render consistently on Windows, Mac, iOS, and Android.
Yes. For a student email signature, use the minimal text template and include your full name, graduation year, university and major, school email, and (optionally) a LinkedIn URL. Avoid decorative images, which take up screen space on the small inboxes that admissions officers and professors usually read on.
For cold outreach, generally no. Photos add image weight, add a separate render request that often fails when recipients have images disabled, and increase deliverability risk. For warm conversations and replies, a small headshot under 30KB is fine and can build rapport.
No. An email signature is a block of contact information that appears at the end of your emails (a branding element). An electronic signature is a legally binding mark used to sign contracts and agreements online (think DocuSign). This tool generates email signatures only, not electronic signatures.
A cold-email-safe signature stays under 5KB of HTML, uses zero or one images, includes no more than three URLs, and contains no tracking pixels. These constraints keep your signature from triggering spam filters that scrutinize cold senders more aggressively than corporate ones.
The five essentials are full name, job title, company name, professional email, and a direct phone number. The two professional add-ons are a LinkedIn URL and an optional calendar booking link. Anything beyond these seven elements is usually noise that hurts more than it helps.
On Outlook for Windows or Mac: File → Options → Mail → Signatures → New → paste your signature HTML → Save. On Outlook on the web: Settings → View all Outlook settings → Mail → Compose and Reply → paste signature → Save.
Yes. The tool outputs clean HTML that you can paste into any email client that supports HTML signatures, including Gmail, Outlook, Apple Mail, Yahoo Mail, and the Smartlead campaign editor.
Yes. The tool is built for business email signatures, with a specific focus on signatures that work in B2B cold outreach contexts. For internal corporate use, you can also use the tool, with the caveat that you can safely add more elements (larger images, more URLs) when deliverability isn't a concern.
For cold email, strongly no. Many corporate email security systems flag tracking pixels as suspicious for first-touch cold emails. If you need open tracking, use platform-level tracking inside Smartlead or your sending tool, which is more discreet and doesn't sit in your signature.