A free tool from Zentor

Free AI cold email generator

Describe who you are, who you're writing to, and what you're offering. Get a first-touch email short enough to actually get read.

Example email
From
you
To
[recipient]
Subject
Your product pages, [first name]

Hi [first name], I was looking at [company]'s store — the brand photography is genuinely good, and the PDP layout caught my eye because it's doing your images a disservice. Most Shopify stores lose buyers on the product page: too much text, the add-to-cart buried below the fold. I redesign product pages for stores like yours — recently simplified a skincare brand's PDP and their add-to-cart rate went up. Want me to send over two quick things I'd change on yours? No call needed. [your name]

Zentor drafts replies and follow-ups inside your Gmail, in your voice — you approve before anything sends.
  1. Say what you offer
  2. Name the recipient
  3. Send a few, not a blast

See it in action

Freelance designer to a brand founder

You design product pages for Shopify stores, and you just looked at this brand's. You're writing cold — the opener has to prove it.

You typed

Freelance designer helping Shopify stores improve product pages. Recently simplified a skincare brand's PDP and lifted their add-to-cart rate.

You asked: Founder of a mid-size Shopify skincare brand — friendly tone.

To
[recipient]
Subject
Your product pages, [first name]

Hi [first name], I was looking at [company]'s store — the brand photography is genuinely good, and the PDP layout caught my eye because it's doing your images a disservice. Most Shopify stores lose buyers on the product page: too much text, the add-to-cart buried below the fold. I redesign product pages for stores like yours — recently simplified a skincare brand's PDP and their add-to-cart rate went up. Want me to send over two quick things I'd change on yours? No call needed. [your name]

Dev agency to an ops director

Your agency keeps web apps running for logistics companies. The ops director you're writing to probably lives in dispatch admin.

You typed

Small dev agency; we build and maintain web apps for logistics companies. Cut one client's dispatch admin time roughly in half.

You asked: Ops director at a regional logistics firm — professional tone.

To
[recipient]
Subject
Dispatch admin at [company]

Hi [first name], Saw [company] expanded routes this year — that usually means dispatch admin grows faster than headcount. Manual dispatch coordination is where most regional logistics firms lose hours every week. We're a small dev agency that builds internal tools for logistics companies; for one client we cut dispatch admin time roughly in half. Open to a 10-minute call to see if something similar would help at [company]? [your name]

Analyst reaching a hiring manager

Four years of retail analytics and one report you're proud of. You're emailing a hiring manager who never advertised the role.

You typed

Data analyst, 4 years in retail. Built the weekly sell-through report my current company still uses. Looking for senior analyst roles.

You asked: Head of analytics at a clothing retailer — formal tone.

To
[recipient]
Subject
Retail analyst — [your name]

Dear [first name], I've followed [company]'s expansion into online grocery — the data problem you're solving at that scale is exactly the kind I want to work on. I'm a data analyst with four years in retail; the weekly sell-through report I built is still how my current company reads its stores. I'm exploring senior analyst roles and wondered whether your team anticipates hiring this year. May I send a short summary of my work? Kind regards, [your name]

A cold email starts a thread. Zentor keeps it alive.

Most cold email dies at the follow-up nobody sends. Zentor works inside Gmail — it can draft the replies when they answer and the nudge when they don't.

See the AI email assistant

Cold email templates and examples

Five cold email examples you can copy. Each cold email template follows the same shape as the generator: a line about them, one problem, one offer, one small ask. Replace everything in brackets, and never send a b2b cold email with a result you can't back up.

B2B cold email to a prospect

You sell to businesses and found someone who likely has the problem you solve.

Subject[Their company] and [problem]

Hi [First name], I saw that [specific observation about their company]. Teams at that stage usually run into [problem]. We help [type of company] with exactly that: [one-line offer]. For [similar customer], it meant [real result]. Worth a 15-minute call to see if it applies to you? [Your name]

Freelancer to a potential client

You offer a service and have spotted something specific you would improve.

SubjectAn idea for [their site, product or page]

Hi [First name], I was looking at [their site or product] and noticed [specific thing]. It caught my eye because [why it matters to them]. I'm a [what you do] and recently did [similar work] for [client type], which [real result]. Want me to send two concrete changes I'd make to yours? No call needed. [Your name]

Cold email for a job that isn't advertised

You want to work somewhere and there is no open role to apply to.

Subject[Your role] interested in [team or company]

Hi [First name], I've followed [company]'s work on [specific project], and the problem you're solving there is the kind I want to work on. I'm a [role] with [years] years in [field]. Most recently I [one concrete achievement]. If your team expects to hire this year, could I send a short summary of my work? Thank you, [Your name]

Partnership or collaboration

You and the reader serve the same audience and are not competitors.

Subject[Your company] + [their company]?

Hi [First name], We both work with [shared audience]: you on [their side], us on [your side]. I think there's a simple way to help each other: [specific idea, such as a joint guide or a referral swap]. Open to a quick chat to see if it fits? [Your name]

Asking for an introduction

The person you want is one step away and the reader knows them.

SubjectCould you introduce me to [name]?

Hi [First name], I'm trying to reach [name] at [company] about [reason], and I saw you know them. Would you be comfortable introducing us? I've put a two-line note below that you can forward as it is. "[Two lines: who you are and the specific reason for the introduction.]" No problem at all if you'd rather not. [Your name]

What a cold email generator is (and isn't)

A cold email generator writes a first-touch message to someone who doesn't know you. Done right, cold email is a short, specific note to a person you actually chose — not a mail merge wearing a trench coat.

The distinction matters legally and practically. In the US, CAN-SPAM permits cold B2B email with honest subject lines and a working opt-out; the EU's GDPR is stricter. Either way, the emails that work are the ones written for a person, at tens-per-day volume, with something true in the first line. This tool is built for that. It is not a bulk-blasting machine — no list upload, no mail merge, no sending at all.

An AI cold email generator is good at the part people skip: cutting the message down to the one thing the reader might care about. It also works as a sales email generator for a first touch, as long as you supply the real result you are quoting.

How to write a cold email that gets replies

Strip away the folklore and a working cold email is four sentences doing four jobs:

  1. A specific opener about them. Not "I hope this finds you well" — a line proving you chose them: their product, their hiring post, their talk. This is the sentence that decides whether sentence two gets read.
  2. One sentence on the problem. The pain you suspect they have, stated plainly. If you can't name it, you're guessing — and they can tell.
  3. One sentence on your offer, with a real result. What you do and what it produced for someone like them. Never invent numbers — a vague true claim outperforms a precise fake one.
  4. A low-friction ask. "Worth a 10-minute call?" or "Want me to send two ideas?" — something answered in one line. Asking for a meeting, a demo and a contract review in a first email is asking to be ignored.

Under 120 words total. Long cold emails aren't thorough; they're unread.

Mistakes that get cold email deleted (or reported)

The failure modes are consistent:

  • Opening about yourself. "My name is X and I work at Y" — the reader's cursor is already on delete.
  • Flattery with no substance. "I love your company" from a stranger reads as the template it is.
  • A wall of credentials. Nobody asked. One result beats a résumé paragraph.
  • Fake personalization. {{first_name}} errors and recycled "I saw your recent post" lines are worse than honest generic openers — they prove you didn't look.
  • Three asks. Every additional request halves the reply odds.

The generator's structure is built to block these: it forces the opener to be about the recipient and the ask to stay small. What it can't do is the looking — the specific detail still has to come from you actually checking their site or feed.

From one cold email to a working outbound habit

A single cold email rarely lands; a thread does. The second and third messages are where most pipeline actually comes from — and where most senders quit, because tracking who to nudge and when is manual work nobody does.

That follow-through is what Zentor's AI email assistant is for: it lives in Gmail, drafts the follow-ups on threads that went quiet, and holds everything for your approval. Generate the first touch here; let Zentor mind the rest of the conversation.

Questions

Is the cold email generator free?

Yes, the generator is free. Generate opens Zentor, where you sign in or start a free trial and the cold email is drafted for you.

Do I need to sign up?

Yes — Generate hands off to Zentor, where you sign in or start a free trial and the draft is written for you.

Is cold email legal?

B2B cold email is legal in many places under conditions — honest subject lines, accurate sender info, a real way to opt out (CAN-SPAM in the US). GDPR and some countries are stricter. This tool writes the message; sending responsibly is on you.

Will it make up results or names to sound better?

No — missing details become placeholders like [first name] or [concrete result], never invented claims. Fill the brackets with things you've verified; a made-up number is the fastest way to burn a prospect.

How is this different from generating the email in ChatGPT?

The structure is fixed to what works: a specific opener about them, one problem, one offer with a real result, one low-friction ask, under 120 words. You fill inputs instead of engineering a prompt.

Can I use it for bulk outreach?

It generates one email at a time, and that's intentional — cold email that works is sent to tens of chosen people, each with a real opener. For sequences at scale you'd want a different kind of tool, and a second look at whether that's the right play.

What should I put in 'You and your offer'?

What you do plus one concrete proof point: a result, a known client type, a specific thing you shipped. 'We help companies grow' gives the generator nothing to work with.

How long should a cold email be?

Under 120 words as a rule of thumb — four to six sentences. The output is built to that length.

Is what I type private?

Describe your offer in public-facing terms and skip confidential pricing or client names — the recipient field just needs a role or company type. See the privacy policy for how Zentor handles data.

Let Zentor write the next one for you.

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See how it works in Gmail