Resume Formatting Rules That ATS Systems Love (and Humans Can Read)

Resume design trends shift annually, but ATS compatibility requirements remain remarkably consistent. The systems that screen your application before a human ever reads it reward simplicity, standard structure, and clean machine-readable text. Understanding what disrupts these systems — and what they reward — is foundational knowledge for any serious job seeker in 2025.

File Format: The First Decision

Most modern ATS platforms handle both .docx and PDF files, but not all PDF types equally. A PDF created by saving a Word document is typically ATS-readable. A PDF that is a scanned image of a printed resume is completely unreadable by automated systems. When an application does not specify the preferred format, .docx is the safer choice because it provides the cleanest parsing experience across the widest range of systems.

Section Headers: Use Standard Language

Creative section labels like "Where I've Made My Mark" or "My Story" confuse ATS parsers that are looking for recognized terms. Use these standard headers that every major system expects:

• Work Experience (or Professional Experience)
• Education
• Skills (or Technical Skills, Core Competencies)
• Certifications
• Summary (or Professional Summary, Profile)
• Projects (if applicable)

Layout Elements That Break Parsing

Several design choices that look attractive in a visual sense create significant parsing problems in ATS environments. Avoid these entirely:

Text boxes and tables: Content inside these elements is often skipped entirely by parsers, meaning your experience or skills may simply not register. Multi-column layouts: Some ATS systems read columns left to right in a way that scrambles content order. Headers and footers: Contact information placed exclusively in the document header may not be captured by the ATS. Graphics, icons, and logos: These are always ignored by parsers and can cause adjacent text to be misread.

Font and Spacing Best Practices

Use standard serif or sans-serif fonts: Calibri, Arial, Garamond, Georgia, and Times New Roman all parse reliably. Avoid decorative or system-specific fonts that may not render correctly in the ATS environment. Set body text between 10 and 12 points and keep formatting consistent throughout the document. Use bold for section headers and company names, but avoid color text for critical information — some systems strip formatting and convert to plain text during parsing.

ApplyGlide's resume builder is designed from the ground up to produce ATS-compatible output while maintaining a clean, professional visual design. Every template we offer has been tested against the most widely deployed ATS platforms in the market.