ATS-Friendly Resume Format: Rules That Matter and Myths

An applicant tracking system, or ATS, is the software many employers use to collect applications, organize candidates and move them through hiring. When you apply online, your resume often lands in one of these systems before a person sees it.

There is a lot of fear around ATS software, and plenty of advice that sounds scary but isn't accurate. This guide covers the formatting rules that genuinely help and the myths you can stop worrying about.

What an ATS actually does

Most systems do some combination of the following:

• Parse your resume. The software reads your file and pulls out details like your name, contact info, job titles, employers, dates, education and skills.
• Store your profile. That information goes into a searchable record.
• Help recruiters search and filter. Recruiters can search for keywords, titles or qualifications and sort candidates.
• Apply knockout questions. Some applications ask screening questions, such as whether you have a required license. Answers can filter candidates.
• Track the process. Each candidate moves through stages such as reviewed, interview and offer.

In many cases, a person still decides who moves forward. The software makes your resume searchable and readable to that person. Your goal is to make sure parsing goes smoothly and that the right words are present.

The formatting rules that matter

Use a clean, simple layout

A single-column layout with clear section headings is the safest choice. Many modern systems handle two columns, but some still read text in the wrong order. If you love a two-column design, keep critical details like job titles and dates in the main column.

Use standard section headings

Call sections what everyone calls them:

• Summary
• Experience or Work Experience
• Education
• Skills
• Certifications

Creative headings like "Where I've Made an Impact" can confuse the parser about what's in that section.

Keep contact details in the body

Some systems skip content placed in a document's header or footer. Put your name, phone, email, city and LinkedIn URL in the main body at the top.

Avoid text inside images, charts and text boxes

Text inside an image can't be read as text. Skill bars, icons with labels, logos and graphics often get lost or garbled. Text boxes and complex tables can also scramble the order.

Use a common font and normal sizes

Choose a standard font and keep body text between about 10 and 12 points. Fancy fonts may not display correctly on every system.

Write dates consistently

Use the same date style throughout, such as "Mar 2021 to Present" or "03/2021 to Present." Put dates next to each job, not in a separate column far away.

Save in the right file type

Word documents and text-based PDFs are both widely accepted. If the application says which to use, follow it. Make sure your PDF has selectable text. A scanned image saved as PDF won't parse.

The words matter as much as the format

Formatting gets your resume read correctly. Words get it found. Recruiters often search for job titles, skills, tools and certifications. If those terms aren't on your resume, you won't show up, no matter how clean your layout is.

• Use the job title from the posting if it accurately describes your work.
• Include the key skills and tools the posting mentions, where they are true.
• Spell out acronyms once, with the short form in parentheses, such as "Certified Public Accountant (CPA)."

This is where tailoring comes in. Our guide on how to tailor your resume to a job description walks through a 20-minute process.

Before and after

Here is an invented resume section that tends to cause trouble.

Before

• A two-column design with a photo, a sidebar of skill bars rated out of five, contact details in the page header and the heading "My Journey" over the experience section.

After

• One column with name and contact details at the top of the body, headings for Summary, Experience, Education and Skills, a plain-text skills list such as "Excel, SQL, budgeting, vendor management," and dates on the same line as each job title.

The "after" version may look plainer, but every detail is readable by software and humans alike.

Common ATS myths

Myth: An ATS rejects most resumes automatically

Most systems don't automatically throw out resumes based on formatting. Rejection usually comes from knockout questions or from a recruiter's review. That said, a resume that parses badly or lacks key terms is harder to find, which has a similar effect.

Myth: You need to hit an exact keyword match score

Some tools give a "match score," but employers set up their systems differently. There is no universal score that guarantees an interview. Aim to clearly reflect the job's main requirements in honest language.

Myth: Hiding keywords in white text helps

Hiding text is easy to spot when a recruiter views or copies your resume, and it can make you look dishonest. It isn't worth it.

Myth: PDFs never work

Text-based PDFs are widely supported. Problems usually come from image-based PDFs or heavy design elements, not the file type itself. Follow the employer's instructions when they specify one.

Myth: Your resume must be one page

Length is a human preference, not an ATS rule. One page is common for early career, two pages for experienced professionals. Federal resumes have their own rules. See our guide on modern, professional and federal formats.

A quick ATS checklist

1. Single-column or simple layout with standard headings
2. Contact details in the body, not the header
3. No key text inside images, icons or text boxes
4. Standard font, normal size
5. Consistent date format next to each role
6. Job titles and skills that match the posting where true
7. Acronyms spelled out once
8. Saved as Word or text-based PDF

Once the format is right, make the content strong. Results and scope are what make a recruiter stop. Our guide to quantifying resume bullets shows how.

FAQ

Can an ATS read a two-column resume?

Many modern systems can, but some still read columns in the wrong order or skip sidebar content. A single-column layout is the safest choice. If you use two columns, keep job titles, employers and dates in the main column.

Should I submit a PDF or Word document?

Follow the employer's instructions first. When there are none, both a Word document and a text-based PDF usually work. Avoid scanned or image-only PDFs, since the text can't be read.

How do I know which keywords to use?

Read the job posting and note the job titles, skills, tools and certifications it repeats. Use those terms on your resume when they truthfully describe your experience. Our tailoring guide shows how to do this quickly for each application.

Do graphics and icons hurt my resume?

Small decorative touches usually aren't a problem, but any important information shown only in an image, icon or chart can be lost. Skill bars and logos are common culprits. Keep every key detail in plain text.

Not sure how your resume holds up? Upload it to Sortie for a free resume score and see where formatting or missing keywords might be holding you back.