How to Check Resume ATS Compatibility
If you're wondering how to check resume ATS compatibility, the short answer is: paste your resume into a plain text editor, compare it against the job description, and make sure a computer can read every section cleanly. That's the whole test. Applicant Tracking Systems (ATS) are software that companies use to sort applications before a person looks at them. They scan for standard formatting, clear headings, and keywords from the job posting. If your resume confuses the software, it may never reach a human.
Run the Plain Text Test
Open your resume file and copy everything into a simple text editor like Notepad on Windows or TextEdit on Mac. In TextEdit, switch to plain text mode first. What you see there is roughly what an ATS sees.
Look for problems: missing section headings, dates that got separated from their job titles, bullet points turned into a wall of text, or contact information scrambled. If anything looks broken in plain text, fix it in your original file. Use standard headings like Work Experience, Education, and Skills. Avoid tables, text boxes, images, and columns, because parsers often read those in the wrong order or skip them entirely.
Match the Job Description's Language
ATS software ranks resumes by how well they match the job posting. So the most direct way to check compatibility is to put the job description next to your resume and look for the exact phrases companies use. If the posting says “project management” and your resume says “oversaw initiatives,” the system may not connect the two.
Work 5 to 10 exact phrases from the posting into your resume naturally, inside your bullet points and skills section. For example, if the role asks for “budget forecasting,” write that phrase in a bullet like “Led budget forecasting for a team of 12.” Do not just list keywords at the bottom of the page; that reads as stuffing and can hurt you with both the software and a human reader. Also spell out acronyms once, like “Search Engine Optimization (SEO),” so the system recognizes both versions.
Check the File Format and Structure
Save your resume as a .docx or a text-based PDF. Do not send a scanned image, a JPG, or a PNG, because ATS cannot read text out of a picture. If you are not sure whether your PDF is text-based, open it and try to select a line of text with your mouse. If you cannot select it, it is an image.
Use a common font like Arial, Calibri, or Times New Roman at 10 to 12 points. Keep your dates in one consistent format, such as “Jan 2022 to Present,” and put your most recent job first. Stick to one column and keep it to two pages max, even for senior roles. ATS scans from the top, so your most important information should appear early.
Test With a Simulator and Proofread
Several free online tools let you upload your resume and see how an ATS parses it. These tools show you which sections the software extracts correctly and which it misses. Run your resume through one of them after you make changes, not just once. Fix whatever the tool flags, then run it again.
Finally, proofread carefully. A typo in a keyword can mean the system does not match it, and a human reviewer will notice it too. Read your resume out loud or have someone else look at it. When the plain text is clean, the keywords match the posting, and the file format is standard, your resume will pass most ATS checks.
If you want help with this, Destava's AI career manager can build and fix your resume, check its compatibility, and draft job-specific versions for you.