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Why most cover letters get skimmed, not read

A recruiter spends seconds, not minutes, on a cover letter — and most of that time is spent checking one thing: does this person actually understand the role, or did they send the same letter to fifty companies? Generic openers ("I am writing to express my interest in...") signal the second one instantly, and the letter gets skimmed and set aside before the second paragraph.

The letters that get a callback do three things well: they open with something specific to the role, they map the candidate's real experience onto what the job actually asks for, and they say it in a few tight paragraphs instead of restating the resume. This checker scores your letter against exactly those three things.

How this free cover letter checker works

Paste your cover letter along with the company, job title, and job description. The tool reads your letter the way a recruiter would and returns:

• A recruiter score out of 100 — an overall read on whether this letter earns a callback.
• Three subscores — JD match, hook strength, and brevity — so you know exactly what's weak.
• An AI-detection risk score — how likely the letter is to read as AI-generated, which matters because many recruiters now screen for this.
• Red flags — the specific lines and patterns working against you.

It's free, takes about 15 seconds, and needs no signup. Your letter is scored against the actual job you're applying for — not generic writing advice — because that's what actually gets read.

What the three subscores mean

• JD match — whether the evidence you gave actually maps to what this specific job asks for. A well-written letter for the wrong role still scores low here.
• Hook strength — whether your opening line earns a second line. Most letters lose the recruiter in the first sentence.
• Brevity — whether the letter is tight or padded. Recruiters skim; longer isn't stronger.

Should you worry about AI-detection risk?

Yes, increasingly. As more applicants use AI tools to draft letters, recruiters and ATS platforms are getting better at flagging generic, over-polished, AI-sounding text — and a letter that reads as templated can hurt you even if the content is accurate. The AI-detection score here flags this early so you can add specific, personal detail an AI wouldn't know: an actual project, a real reason you want this company, a specific line from the job posting.

How to fix a weak cover letter

• Rewrite the opening line first. Name the role and one specific, real reason you want it — not a restated job title.
• Pull language straight from the job description into your experience paragraph, where it's actually true.
• Cut it to three short paragraphs. Opening hook, one paragraph of matched evidence, one closing line.
• Add one detail an AI couldn't guess — a product you've used, a specific team, a real reason tied to the company.
• Never repeat your resume line-by-line. The letter should explain the "why," not restate the "what."

Once your letter scores well, check your resume against the same job with the ATS Score Checker, or run it through the Glance Test to see what a recruiter notices in the first six seconds. If you'd rather have the letter written for you, the Cover Letter Generator writes one from scratch, matched to this exact job, using only what's true on your resume.

Frequently asked questions