Resume for ATS: how to know if yours passes the screening
You apply and your resume simply disappears with no response. In most medium and large companies, it's software—the ATS—that decides whether you move forward before anyone reads your materials. Knowing how it works is what separates the resume that reaches a recruiter from the one silently discarded.
By Carlos Jacon · Founder of CareersForge · Senior Engineering Manager
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What is an ATS and why does it decide before the recruiter?
ATS (Applicant Tracking System) is the system that receives, organizes, and filters applications. It reads your resume, extracts data like name, contact, roles, companies, dates, education, and skills, and helps the recruiting team search or prioritize candidates. Only after this reading does your material usually reach a person's queue.
That's why a resume can be good for a human and bad for screening: if the system doesn't understand the text order, loses your contact info, or doesn't find key terms from the job posting, your experience will appear worse than it actually is.
How the ATS reads (and breaks) your resume
The ATS parser expects plain text and predictable structure. Visual features that impress the human eye often confuse the machine.
- Multi-column layouts, tables, and text boxes: the parser jumbles the order.
- Contact data inside a header or an image: becomes unreadable text.
- Icons and graphics instead of text: the system simply doesn't read them.
- Exotic fonts or a PDF generated as an image: risk that the content won't be extracted.
Example: a format that breaks becomes a format that passes
Before: Resume in two columns, contact inside a colored banner, skills shown as proficiency bars.
After: Single column, contact as text at the top, skills in a list, conventional section titles (Summary, Experience, Education).
How to know if your resume is ATS-friendly
A simple test: copy the text from your PDF and paste it into a plain text editor. If the order is scrambled, information is missing, or the contact becomes symbols, the ATS may have the same problem. Add to that the checklist below.
- Single column, no tables, text boxes, or images with text.
- Standard section titles and clear chronology (most recent first).
- File is real text (not an image), simple filename, and common format.
- The job's keywords appear naturally in the summary and experiences.
Complete ATS-friendly checklist
Use this list as a quick audit. If an answer is 'no', fix it before applying.
- Contact in the body of the document: name, email, phone, city, and LinkedIn in normal text, not in a header, footer, or image.
- Predictable sections: Summary, Experience, Education, Skills, Certifications and Projects, when relevant.
- Consistent dates: use the same pattern across experiences, like 'Jan 2022 - May 2025' or '01/2022 - 05/2025'.
- Skills as text: no proficiency bars, icons, or word clouds.
- File exported from a text editor: textual PDF or DOCX, avoiding prints, scans, or designs made as images.
- Professional filename: Firstname-Lastname-Resume-Role.pdf or Firstname-Lastname-Resume.docx.
Is the ATS just about format? No, keywords matter too.
Passing the parser is half the game; the other half is content matching. The ATS compares your resume to the job description and scores similarity. A generic resume without the skills and tools the job lists will have a low match and lose position, even if well formatted. Adapting per job is what moves that score.
How to test the content before sending
After testing the file's readability, test the match with the job. Open the description and mark the required terms. Then find where each term appears in your resume with context.
If an important keyword only appears in a skills list, that's a weak signal. Ideally it should also appear in an experience bullet showing how you used it in practice.
Example: a loose keyword becomes evidence
Before: Skills: SQL, dashboards, KPIs.
After: Built SQL dashboards to track churn and recurring revenue, reducing weekly KPI close time from 4 hours to 40 minutes.
Frequently asked questions
PDF or Word: which format is better for the ATS?
Most modern ATS read textual PDF and DOCX, but some systems still interpret DOCX more accurately. If the job requests a format, follow the instruction. If not, use a PDF exported from a text editor or a simple DOCX; the most important thing is to avoid a scanned file, image, tables, and complex layouts.
Do fancy resume templates from Canva pass the ATS?
Many do not pass: they use columns, boxes, and icons that confuse the parser. If you use a visual template, test by copying the text into a plain text editor and see if the order and content remain intact.
Do I need to repeat keywords several times?
No. Artificial repetition (keyword stuffing) is noticeable and harms human readability. Use the job terms where they genuinely match your experience, especially in the summary and skills.