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What does an ATS resume checker actually check?

A checker scores this file against one job description: keywords, headings, and whether the text parses. It is not a vendor pass.

FluxResume Team · 3 min readResume

An ATS resume checker scores this file against one job description: keywords, standard headings, and whether the text parses. FluxResume's donut is that overlap, not a vendor pass. It cannot read Workday or Greenhouse from the outside, and a high score is not a callback.

What the checker can see​

The matcher only sees the text it extracted and the posting you attached. It does not log into an employer ATS. It does not know that company's forwarding bar. No vendor publishes that number.

From Job Search, the description is already attached. Paste or attach is only for a job you add yourself. The walkthrough lives in the Job Based Resume doc, not in a third-party scan report.

A portal score is useful as a gap list. It is a poor substitute for reading the posting.

What it cannot promise​

"ATS friendly" on a template card is a layout claim. "ATS pass" is a claim about someone else's software. FluxResume will not print the second.

Jobscan leftover is a known brand for JD keyword-scan reports. FluxResume keeps the score on the same card as search and Pipeline at $0. Parse versus keywords: does a resume checker tell parse problems from keyword gaps.

Common questions​

Is a match score an ATS pass?​

No. FluxResume reports overlap for this file and this posting. No ATS vendor publishes a forwarding threshold you can read from outside.

Do you have to pay for a scan?​

No. US Free includes 150 Smart Match scores a month. Tracking and unwatermarked PDF stay unlimited. Official page: https://fluxresume.io/pricing/.

Should you rewrite until the donut is 90?​

No. Read Missing. Prove what you did. Skip what you cannot defend. A stuffed file can look "matched" and still fail a human skim.

Can a checker see Workday or Greenhouse?​

No. Those are employer systems. FluxResume never claims a test harness against a named ATS vendor list.