September 5, 2026 Jo Builds 6 min read

How to write a cover letter that sounds human

Hand-colored engraving of a Vanessa butterfly, Drury 1837

A cover letter sounds human when it names one true thing about the place you are writing to and one true thing you have done, in the voice you use when you talk. The rest of the standard template is packing material. The person reading has already seen it today.

Here is my position, and plenty of people will disagree with it: if you cannot name a single specific thing about that job or that company, skip the letter and send the application without one. A blank space is honest. A page of warm nothing tells them you did not look, and you have used their attention to say so.

Why template letters read as filler

Template letters fail because they describe a candidate in general, and nobody is hiring a candidate in general.

"I am a motivated professional with a proven track record of delivering results" could have been typed by anyone who applied. It survives every job, which is exactly the problem. A sentence that fits every job proves nothing about this one.

The letter also gets read faster than you wrote it. Often on a phone, between other tasks, by someone with a stack of them. Your first two lines carry the whole thing.

Enthusiasm is not a qualification, and this is where most letters spend their opening. Being excited about the role is the baseline assumption of applying for it. Nobody applies to jobs they hope not to get.

Open with the sentence only you could write

Start with something that could not appear in anyone else's letter to anyone else's company.

That usually means a detail. Something you used, read, noticed, or found odd. The posting itself often hands you one, because postings leak their real problem in a line near the bottom.

Compare two openers for the same job. "I am writing to express my strong interest in the Content Coordinator position advertised on your careers page." That sentence is an address label. It tells the reader where the letter came from and nothing else. Now: "Your help pages are the rare ones that sound like a person wrote them, and the posting says you want someone to keep them that way."

The second one is not clever. It is just evidence that a human read something before typing. That is a low bar and most letters walk under it.

If you genuinely cannot find a detail, that is information. Either the company is opaque, or you are applying out of momentum rather than interest, and both are worth knowing before you spend an evening on the letter.

Trade adjectives for the thing that earned them

Every adjective you use about yourself should be replaced by the specific thing that made you believe it.

Notice that the replacements are shorter to read and harder to fake. That is the trade you want.

If you have a real number, use it. If you do not, do not invent one, because invented numbers have a smell and the interview will find it. Describe the change instead: what was happening before, what was happening after, and which part of that was your doing.

A shape that fits on one screen

Four short paragraphs is enough, and every paragraph past the fourth costs you more than it adds.

That third one is the paragraph people fight me on. The advice everywhere is to project total readiness, and I think total readiness reads as a person who has not understood the job.

Naming your own gap does two things. It shows you read the posting closely enough to see which parts are stretch, and it means the first hard question in the interview is one you chose. "I have run the reporting side of this and not the forecasting side, and I would want a month to get properly useful at that" is a sentence that makes people trust the rest of your letter.

Say it once, without apology, and move on. Come back to it a second time and you have stopped being honest and started asking to be reassured, which is not something a stranger can do for you in an email.

The phrases that mark a letter as a form

Some phrases identify your letter as a template before the reader finishes the first line.

None of these are crimes. They are just dead weight, and dead weight in a short document is expensive. Cut them and the letter usually gets warmer, which surprises people who assume formality is what makes them sound serious.

Formality is armor. We reach for it exactly when we feel small, and applying for a job is a small-feeling activity, so the letters come out stiffest when we most want to be liked.

End with a next step, not a bow

Close with one plain sentence about what you would like to happen, then stop typing.

"Thank you for your time and consideration" is fine and forgettable. "Happy to walk through how I would handle the reporting backlog, if that is useful" leaves them something to reply to. Signing off is its own small skill, and the last line does more work than people expect.

Do not stack closings. A thank you, then a repeat of your availability, and the letter dribbles out instead of ending. One line, then your name.

Say it before you send it

Before the letter goes anywhere, say it to the room and delete every sentence your mouth refuses.

Your ear is faster than any checklist. It knows immediately that "I would welcome the opportunity" is not language, it is costume. And it catches the failure nobody warns you about, the one that shows up after a hard edit, where you have cut so much that the letter is a row of flat claims with nobody standing behind them.

My own first drafts come out inflated whenever the stakes are up, and I have written a lot of first messages to people who owed me nothing at all. The sentences get longer and more careful, and the actual point ends up buried somewhere in the last paragraph. A slow pass over the draft fixes some of it, when the deadline leaves room for a slow pass. Fixing it while the box is still open is the whole reason I built Unvent.

One more pass worth doing: hand the letter to somebody who knows you and ask whether it sounds like you. Not whether it is good. Whether it is you. Those are different questions and only the second one matters here.

The letter is not going to get you the job. Its whole job is to make one busy person curious enough to spend twenty minutes talking to you. Sounding like yourself is the cheapest way to earn that, and it has a useful side effect: if they do not want the person in the letter, you have found that out before either of you spent a quarter on it.

Sound like yourself when it counts

Unvent rewrites what you are typing, right where you are typing it, so the version that leaves your hands is the one you meant. Useful anywhere the stakes make your sentences go stiff.

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Jo Builds makes Unvent, a Chrome extension that rewrites whatever you are typing, in place, in the tone you pick. More on the about page.