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How to write a cover letter for a job application

A cover letter is your chance to connect the dots a CV cannot: why this role, why this company, and why your background fits even if it is not an obvious match. Keep it to one page and make every paragraph specific.

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The four-paragraph structure

  1. Opening: the role you are applying for and a one-line reason you are a strong fit.
  2. Evidence: two or three achievements that match the job's main requirements.
  3. Why them: something specific about the company — its product, customers, values or recent news.
  4. Close: availability, enthusiasm for an interview, and a polite sign-off.

Short example opening

“I'm applying for the Junior Marketing Executive role at Brightline. In my internship at a D2C skincare brand I ran Instagram campaigns that grew our following from 4,000 to 19,000 in six months, and I'd like to bring that hands-on campaign experience to your growing social team.”

Rules of thumb

  • Address a named person if you can find one; otherwise “Dear Hiring Manager”.
  • Do not repeat your CV — pick the best evidence and explain it.
  • Around 250–400 words.
  • Change at least the opening and “why them” paragraph for every job.

How it works

Three steps from your CV to a stronger application.

1

Start from your CV

Upload your current CV or build one from a clean, ATS-friendly template.

2

Tailor it to the job

Paste the advert. AI suggests changes in the employer's language — you approve each one.

3

Download and apply

Export a PDF that reads cleanly for recruiters and screening software.

Frequently asked questions

Is a cover letter still necessary?

Not always required, but it helps — especially for career changers, applicants from abroad, graduate schemes and smaller companies.

How long should a cover letter be?

One page, roughly 250–400 words.

Can I generate a cover letter from my CV?

Yes. CV Studio's Cover Letter tab drafts a letter from your CV and the job description, which you can then edit.

Read nextAI cover letter writer that starts from your CVRead the guide →

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