ATS-friendly resume: 10 rules to pass automatic filters in 2026
You've been applying for weeks with a resume you like visually. You get almost no replies. The culprit is probably the ATS — the Applicant Tracking System recruiters use to pre-filter resumes.
In 2026, 70% of resumes are killed by ATS before any human sees them. Not because they're bad, but because they're unreadable for the machine. Here are the 10 concrete rules to pass.
First: what's an ATS in 2026?
An ATS (Applicant Tracking System) is software recruiters use to receive, parse, score and filter applications. Top ones in 2026:
- Greenhouse (used by 30%+ of tech startups)
- Workday (large enterprises)
- Lever (B2B scale-ups)
- Ashby (rapidly growing)
- iCIMS (US enterprises)
- Teamtailor (Northern Europe)
All have integrated AI scoring since 2024. They no longer just look for exact keywords: they understand meaning, compare to the posting, and score you out of 100. Below a threshold (often 60-70/100), your resume doesn't reach the recruiter.
The 10 rules of an ATS-friendly resume in 2026
Rule 1: PDF format (never Word)
Word may seem "more compatible", but versions vary and modern ATS parse PDFs with >95% accuracy. PDF systematically. Exception: if the posting explicitly asks for Word.
Rule 2: Standard, readable font
Calibri, Inter, Source Sans Pro, Arial, Lato. No fancy fonts. No ultra-thin (light) fonts that may render poorly on OCR. Size 10-11 for body, 13-16 for headings.
Rule 3: No graphic elements with text in images
Classic mistake: a "designer" resume with your name in a visual, or skills as a radar chart. The ATS doesn't read images. All important info must be selectable text.
Quick test: open your PDF, Ctrl+A then Ctrl+C, paste into Notepad. Everything must be readable. If not, problem.
Rule 4: Standard structure with clear headings
Use section titles ATS recognize:
- "Experience" / "Professional experience"
- "Education"
- "Skills"
- "Certifications"
- "Languages"
No creative headings like "My journey" or "What I do". The ATS doesn't recognize and misfiles.
Rule 5: One column or two, no complex layout
Simple layout. No nested tables. No floating text boxes. No asymmetric columns. The parser must read your resume left to right, top to bottom.
Rule 6: Posting keywords, naturally
Reuse 5-8 posting keywords in your bullets and skills. Naturally. No stuffing. If the posting mentions "BigQuery data warehouse" and you've worked on it, write "BigQuery" and "data warehouse" verbatim.
Avoid: a 50-keyword list in white-on-white at the bottom. Modern ATS detect and flag as manipulation.
Rule 7: Standard date format
Format: MM/YYYY – MM/YYYY (e.g. 06/2022 – 03/2025). No "Summer 2022" or "April → Sept 2022". Current role: "06/2024 – Present".
Rule 8: Contact info up top, plain text
- Full name (text)
- Clickable email
- Phone in international format (+1 555-XXX-XXXX)
- LinkedIn URL (linkedin.com/in/yourhandle)
- City (not full address)
Rule 9: No Word headers or footers
Many ATS ignore "header" and "footer" content. If you put your name only in the header, it's lost. Put all critical info in the document body.
Rule 10: Clean filename
Format: First-Last-Role.pdf. Example: Mary-Smith-Product-Manager.pdf. Avoid: cv_v3_final2_dad_review.pdf. The filename is read by the ATS and stored in the candidate database.
The ultimate test: 30-second ATS check
Before sending, do this test:
- Open your PDF, Ctrl+A then Ctrl+C
- Paste into a Notepad or empty Google Doc
- Read what you see
Three questions to ask:
- Are all critical infos there? (name, contact, roles, dates, skills)
- In logical order? (otherwise ATS will misparse)
- Any weird characters or strange breaks?
Yes to all three: ATS-friendly. No: you've identified exactly what to fix.
The 5 most frequent ATS mistakes (and fixes)
| Mistake | Consequence | Fix |
|---|---|---|
| Keywords in images (tech logos) | Skills invisible to ATS | List as text before/after the visual |
| Asymmetric 2-column resume | Text parsed in wrong order | 1 column or 2 simple equal columns |
| Photo + name in graphic block | Identity not detected | Name as text, photo separate if kept |
| Text-format dates (Summer 2022) | Tenure miscalculated | MM/YYYY format |
| White-on-white keyword stuffing | Resume flagged as manipulation | Natural integration in bullets |
Beyond the ATS: passing the human scan too
Caution: a resume that passes the ATS isn't necessarily one that converts. Once past the ATS, your resume must be scannable in 6 seconds by a human. That means:
- Clear visual hierarchy (bold headings, whitespace)
- Short bullets (1-2 lines max)
- Numbers and results visible at a glance
For full structure, see How to write a good resume in 2026.
Key takeaways
- The ATS kills 70% of resumes before any human. You must pass that filter.
- 10 rules: PDF, standard fonts, no text-in-image, simple structure, natural keywords.
- Ultimate test: Ctrl+A / Ctrl+C / paste in Notepad → must be readable and ordered.
- ATS-friendly doesn't mean ugly. It's a question of foundations.
Want to automatically check ATS compatibility and tailor to each posting? Traject's resume module includes an ATS scanner that tells you in 5 seconds what fails, with suggested fixes. Try it free.
Read next: Tailored resume per posting and How AI transforms job search.