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AI Cold Email Generator for B2B Outreach

Tell it what you sell, who you sell to and what you want them to do. You get an opener and follow-ups written the way high-reply cold emails are actually structured. Free, no signup.

Your offer

The more specific the inputs, the less editing later.

One or two sentences. What it does and the outcome it produces.

Optional. The problem they feel today, in their words.

Optional. What you want them to do after reading.

Three touches is the standard cadence: opener, value-add, breakup.

Uses one free AI run. Product and audience are required.

Your sequence

Describe your offer to get a sequence

You'll get an opener plus follow-ups, each with a subject line, send timing and the angle it takes.

AI runs on ColdBox servers, nothing is storedNo account or email requiredUnlimited use
How it works

How to use the Cold Email Generator

  1. 01

    Describe the offer

    Enter your product, the audience, the pain point you solve and the call to action. Add your name and company so the sign-off is ready to send.

  2. 02

    Pick tone and length

    Choose one of five tones and how many touches you want. Three is the default: an opener, a value-add follow-up and a short breakup.

  3. 03

    Edit and send

    Each email arrives with a subject line, send delay and the angle it takes. Personalize the first line, copy or download the sequence, and send.

What a cold email sequence looks like in 2026

A cold email is not one message. It is a short sequence, usually three touches, sent to the same person over one to two weeks. The first email earns attention with a specific observation and a problem hypothesis. The second adds something the prospect did not have before, such as a result from a similar company or a short insight about their situation. The third closes the loop politely and makes it easy to say no. Each email carries exactly one idea and one ask.

The numbers that matter are short. A first-touch cold email that gets replies is typically under 120 words, uses two to four short paragraphs, contains at most one link and ends with a question that takes ten seconds to answer. Follow-ups are shorter still, often 40 to 70 words. The generator writes to these constraints by default, so the output is a draft you trim, not a draft you cut in half.

How the generator builds each email

The model uses five inputs. The product description tells it what outcome to promise. The audience tells it which role and company type to write for, which changes vocabulary and the ask. The pain point becomes the opening hypothesis. The call to action shapes the last line. The tone controls sentence length and formality, from professional to witty, without changing the structure.

  • Email 1 (day 0): observation or hypothesis opener, one sentence of proof, a low-friction question. Subject line under 50 characters.
  • Email 2 (day 3 to 4): a new reason to reply, such as a specific result, a mistake you see often, or a short how-to. Sent in the same thread.
  • Email 3 (day 7 to 8): a two or three sentence breakup that asks whether the timing is wrong or whether someone else owns the problem.
  • Every email returns an angle note so you know why it was written that way and what to change if it does not fit.

Opener types that get replies

The first line decides whether the rest of the email gets read. Generic openers such as "I hope this finds you well" or "My name is" signal a template and are skipped. Strong openers point at something true about the prospect and connect it to a problem you solve. The generator picks one of the patterns below based on your inputs, and you should replace the specifics with what you know about the individual prospect before sending.

  • Observation: a fact about their company, hiring, product or content, followed by why it matters.
  • Trigger event: a funding round, new hire, expansion or launch that usually creates the problem you solve.
  • Problem hypothesis: a guess about a pain most people in their role feel, stated plainly and framed so a wrong guess still invites a correction.
  • Mutual context: a shared customer, event, community or investor. Use only when it is real.
  • Question: a single, specific question they can answer in one line, which becomes the whole reason for the email.

Editing the output before you send

Treat the sequence as a strong first draft. Rewrite the first sentence of email one for each prospect, or at least for each segment. Keep the language spam-safe: no price, no percentages, no urgency, no words in all caps. If the model produced more than one link, keep one or none. Run the copy through the spam words checker and the cold email grader to confirm it scores well before loading it into your sending tool.

Timing is part of the copy. Send the opener on a Tuesday, Wednesday or Thursday morning in the prospect's time zone, keep follow-ups in the same thread so the context is one scroll away, and stop the sequence the moment someone replies. ColdBox handles the cadence, thread replies and reply detection automatically, so the sequence you generate here can run without anyone watching it.

FAQ

Cold Email Generator questions

Straight answers, no fluff. Still stuck? Our deliverability team replies within a couple of hours.

Ask a human

Yes. There is no account and no email gate. Each generation calls our AI service, so runs are limited to a fair number per day per visitor. That limit covers a normal working session. If you need more, a free trial of the full product includes unlimited generation.

Good enough to send after one editing pass, and much better than a blank page. The model follows the structure that gets replies: short, one idea, specific opener, single question. What it cannot know is the personal detail about your prospect, so the first line is always yours to rewrite. Generic AI emails fail because nobody edits them.

Under 120 words for the first email and under 70 for follow-ups. Prospects read cold email on a phone between meetings. Two to four short paragraphs, one link at most, and a question at the end that can be answered in a sentence. If your draft needs scrolling on mobile, cut it.

Two follow-ups after the opener is the standard for a first campaign, which is why three emails is the default here. Send them three to four days apart, in the same thread. A fourth or fifth touch can help with senior buyers, but each extra email should add new value rather than repeat the ask.

Match the buyer, not your brand. Professional or direct works for finance, legal, operations and executive buyers. Friendly and casual suit founders, marketers and smaller companies. Witty is for audiences that expect personality, such as agencies or creative teams. When in doubt, choose direct, since short and clear is rarely wrong in cold email.

Yes, with edits. The opener and the value-add follow-up translate well to LinkedIn once you drop the subject line and shorten to two or three sentences. The breakup email is email-specific and usually does not belong in a message thread. Keep the angle, change the format.

Your inputs are sent to our servers for the single generation request, used to write the emails, and returned to your browser. They are not stored, published or used to train models. Nothing is saved between visits, so copy or download the sequence before you close the page.

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