OOnDevice

Cover Letter Writer

Write tailored cover letters with AI. Your job search stays private.

Works offlineNothing uploaded
Setting up — first time only
Output will appear here...

How to use it

1

Paste the job description

Copy the key responsibilities and requirements from the job listing into the job description field.

2

Add your background

Enter your relevant experience, skills, and accomplishments that align with the role.

3

Generate the letter

Click generate and the AI will produce a complete, professionally formatted cover letter.

4

Personalize and send

Review the output, adjust the tone or add specific examples, then copy it into your application.

When to use Cover Letter Writer

You're three weeks into a job search after a layoff, churning through 15 applications, and every cover letter you write from scratch eats another 45 minutes — time you don't have when you're also prepping for interviews. Paste the job description and a few bullet points about your background, and get a complete letter that mirrors the role's actual language, leads with your strongest match, and sounds like a person wrote it rather than a template generator. Generate a few versions, pick the opening hook that lands hardest, and tweak the second paragraph to add a specific number or story only you could tell. The language model runs in your browser tab, so your employment history, gaps, career pivots, and salary expectations stay on your machine and out of third-party logs. Copy the final version straight into the application portal.

  • Match a fintech job description after pivoting from a startup
  • Write a letter that addresses a two-year career gap honestly
  • Tailor the same background for a product role vs. a consulting role

About this tool

Tailoring a cover letter for every application is exhausting — and a generic one is worse than none at all. Paste the job description and a summary of your background, and get a letter that mirrors the role's language, hits the key requirements, and sounds like an actual human wrote it. Runs in your browser, not ours, so your work history, employment gaps, and career pivots never reach a recruiter before you're ready. Tweak the tone from professional to enthusiastic, regenerate until the opening hook lands, then copy straight into your application.

Tips

  • Include specific numbers and accomplishments — 'increased sales by 30%' is stronger than 'improved sales.'
  • Paste as much of the job description as possible so the AI can match keywords and requirements.
  • Generate multiple versions and combine the best elements from each.
  • Always address the letter to a specific person if the hiring manager's name is available.

Frequently asked

Is this AI cover letter writer private? Does it send my resume details to a server?
No. A language model runs directly in your browser tab — your background details, job descriptions, and generated text never reach OpenAI, Anthropic, or any external API. You control when data leaves your machine.
How specific should I be about the job requirements?
The more detail you paste from the job description, the better tailored the letter will be. Include key skills, responsibilities, and any must-haves mentioned in the listing.