10 ATS Resume Mistakes That Get Your CV Rejected Instantly

You have the qualifications. You have the experience. But your applications disappear into silence, week after week. The culprit is almost certainly your resume — specifically, ATS resume mistakes that cause automated systems to reject your CV before any human eyes see it. Here are the 10 most common errors, why they matter, and exactly how to fix them.

Mistake #1: Using a Multi-Column Layout

Multi-column resumes look visually impressive to humans, but most ATS systems read text left-to-right across the entire page. A two-column layout causes your experience from column one to be merged with your skills from column two, creating garbled, unreadable text. The parser loses all context, and your score plummets. Fix: use a clean, single-column layout for any resume you intend to submit online.

Mistake #2: Saving as an Image-Based PDF

If you designed your resume in Canva or exported it from a design tool, there is a good chance it saved as an image rather than text-based PDF. An ATS cannot extract text from an image — it sees a blank white page. Your resume effectively says nothing. Always save from Word or Google Docs, or use the "Save as text-based PDF" option. You can test this by trying to select text in your PDF — if you cannot highlight words, it is image-based.

Mistake #3: Using Tables to Organize Information

Tables look clean on screen but are a parsing nightmare. When an ATS encounters a table, it often reads all cells in sequence, jumbling your dates, job titles, company names, and descriptions together. The result is incoherent data that tanks your score. Replace tables with simple line breaks, dashes, and standard paragraph formatting.

Mistake #4: Putting Contact Info in the Header

Many ATS systems ignore content placed in Microsoft Word document headers and footers. If your name, phone number, and email are in the document header — which is common in resume templates — the ATS may process your application with no contact information at all. Always place your name and contact details in the main body of the document.

Mistake #5: Using Creative Section Headings

"Where I've Been" sounds creative. "My Toolkit" sounds fun. But ATS software is trained to look for standard section headings. When it cannot find "Work Experience," it cannot categorize your job history. Rename all sections to standard labels: Work Experience, Education, Skills, Certifications, Summary. Creativity belongs in your cover letter, not your section headings.

Mistake #6: Sending a Generic Resume to Every Job

A one-size-fits-all resume is an ATS score disaster. Each job description uses specific language, specific tools, and specific priorities. If you apply for a "Digital Marketing Manager" role with a resume written for a "Social Media Specialist" role, your keyword match rate will be low even if the roles are similar. Tailor your resume's summary, skills, and top bullet points for every application.

Mistake #7: Using Graphics, Icons, and Photos

Skill bars (those visual percentage meters for rating your skills), icons, logos, and profile photos are completely invisible to ATS parsers. Worse, they can corrupt the surrounding text extraction. A skill bar showing "Python — 90%" tells the ATS nothing. A simple text line reading "Skills: Python, Django, SQL, REST APIs" is perfectly clear. Remove all visual elements and replace them with text.

Mistake #8: Spelling Out Numbers Inconsistently

This is a subtle one. ATS systems often parse numbers differently from words. "Five years of experience" may not match a filter set for "5+ years." Use numerals throughout your resume ("5 years," "12 team members," "32% increase") to ensure your experience is accurately captured and compared against requirements.

Mistake #9: Omitting Keywords That Are "Obvious"

Many candidates assume that certain skills are implied. A software engineer might not list "Git" because they assume every developer uses it. A finance professional might skip "Excel" because it seems too basic. But ATS systems do not make assumptions — if the job description mentions Excel and your resume does not, that is a keyword gap. Include every relevant tool, skill, and technology, even the ones that feel obvious.

Mistake #10: Not Testing Your Resume Before Submitting

Submitting without testing is like publishing without proofreading. A free ATS resume checker lets you upload your resume against a specific job description and see exactly how the system scores you. You get a keyword gap analysis, a formatting check, and specific recommendations — in seconds. There is no reason to skip this step when the tools are free and the stakes are high.

• ›Avoid multi-column layouts — use single column only
• ›Save as text-based PDF or .docx, never image-based
• ›Replace tables with simple paragraph formatting
• ›Put contact info in the body, not the document header
• ›Use standard section headings (Work Experience, Skills, Education)
• ›Tailor your resume for each specific job description
• ›Remove all graphics, icons, skill bars, and photos
• ›Use numerals instead of spelled-out numbers
• ›Include all relevant skills, even "obvious" ones
• ›Run a free ATS check before every submission

Try Our Free ATS Resume Checker

Paste your resume and a job description to instantly see your ATS score, keyword gaps, and specific recommendations — completely free.