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    How to Write an ATS-Friendly Resume in 2025

    Master the art of getting past Applicant Tracking Systems. Discover the keywords and formatting tricks that get your resume seen.

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    123Resume Team
    Dec 8, 20257 min read
    Featured image for blog post: How to Write an ATS-Friendly Resume in 2025 about ATS Optimization on 123Resume
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    What is an ATS?

    An Applicant Tracking System (ATS) is software that companies use to collect, sort, scan, and rank job applications. Over 90% of Fortune 500 companies use some form of ATS to manage their hiring process.

    Why ATS Optimization Matters

    If your resume isn't ATS-friendly, it might never be seen by human eyes—regardless of how qualified you are. Understanding how these systems work is crucial for modern job searching.

    Key Strategies for ATS Success

    Use Standard Section Headings

    Stick to conventional headings like "Work Experience," "Education," and "Skills." Creative alternatives might confuse the system.

    Include Relevant Keywords

    Carefully read the job description and incorporate matching keywords naturally throughout your resume. Focus on:

    • Technical skills mentioned in the posting
    • Industry-specific terminology
    • Required qualifications and certifications

    Choose the Right File Format

    Unless specified otherwise, submit your resume as a .docx file. While PDFs preserve formatting, some older ATS systems struggle to parse them correctly.

    Use Simple Formatting

    Avoid:

    • Tables and columns
    • Headers and footers
    • Images and graphics
    • Text boxes
    • Unusual fonts

    Spell Out Acronyms

    Include both the acronym and full name: "Search Engine Optimization (SEO)" instead of just "SEO."

    Testing Your Resume

    Use online ATS simulators to test how well your resume performs. Many free tools can give you insights into potential issues.

    The Balance

    Remember that your resume ultimately needs to impress humans too. Find the balance between ATS optimization and creating a document that's engaging and easy to read.

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