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An Applicant Tracking System (ATS) is software used by employers and recruiters to collect, filter, and rank job applications before a human ever reads them. Most large companies and many smaller ones route every resume through an ATS before any human review takes place, which means a resume that looks polished to the eye can still be silently rejected if the system cannot parse it correctly.
An ATS resume checker analyzes your resume against the same criteria these systems evaluate: formatting compatibility, the presence of key contact information, use of standard section headings, and whether your accomplishments are described with measurable results. Catching these issues before you apply gives you a meaningful edge.
This free tool uses AI to analyze your resume in seconds — no sign-up required. It identifies structural and content gaps that commonly cause ATS systems to score a resume lower, so you know exactly what to fix before submitting your next application.
Use these ranges as a guide when interpreting your result.
These two tools solve different problems. An ATS resume checker — like this one — evaluates the structural and content quality of your resume in isolation. It answers the question: "Does my resume meet the baseline standards that ATS systems expect?" and does not require a job description to run.
A resume keyword scanner takes a different approach: it compares your resume against a specific job description to identify which required keywords and skills are present or missing. This is essential when tailoring a resume for a particular role, because ATS systems score candidates partly by how well their resume mirrors the language in the job posting.
For best results, run the ATS checker first to fix structural issues, then use the keyword scanner to align your language with each job description before submitting.
Myth: "A creative, visually designed resume will impress the ATS."
Reality: The opposite is usually true. Multi-column layouts, graphics, and text boxes are exactly what causes an ATS to misread or drop content. Visual polish matters to the human who reads the resume after it clears screening — not to the parser.
Myth: "Only huge corporations use an ATS."
Reality: Applicant tracking software is affordable and common well below Fortune 500 scale. Unless you know for certain a small team is reviewing applications by hand, assume your resume will be parsed by software first.
Myth: "Stuffing in every keyword from the job posting will raise my score."
Reality: Repeating a term with no supporting context reads as padding to both software and a human reviewer. A term appearing once in a real accomplishment bullet outperforms the same term repeated five times with nothing behind it — see our guide on keyword density for the full reasoning.
Myth: "A PDF always fails ATS screening, so I should always use Word."
Reality: A text-based PDF parses fine in the large majority of modern systems. What actually fails is a scanned or image-based PDF with no extractable text, or a PDF built from a heavily graphic template — the file format itself is rarely the real problem.
Myth: "If my resume gets a high ATS score, I'm guaranteed an interview."
Reality: A high score means your resume clears the automated screening stage cleanly. It says nothing about whether your actual experience matches what the role needs — format and content quality get you seen; relevant experience gets you the callback.
Close keyword gaps, pick a safe template, and tailor the resume for the job you actually want.
Convert your LinkedIn profile to a formatted, ATS-ready resume in seconds. Free preview.
Check resume structure, section headings, and ATS readability before you apply.
Find missing keywords from a target job description and close content gaps.
Turn keyword and match insights into a tailored resume for one specific role.
The CV version, for UK, Australian, and Singaporean applications — British spelling included.
Use this checklist to avoid formatting mistakes that block parsing.
Learn which job-description terms should appear in your resume.
Understand how applicant tracking systems screen resumes and what to fix first.
Read more ATS, resume tailoring, keyword, and job-search guides.