Single Column vs. Two Column Resume: What ATS Systems Actually See

A single-column resume layout is the safest choice for ATS compatibility. Most enterprise ATS software reads documents left-to-right, top-to-bottom — two-column layouts frequently produce garbled text output.

How ATS Parsers Read Two-Column Layouts

The parser extracts the raw text stream from your PDF. In a two-column layout, text from both columns on the same horizontal line gets merged, creating garbled output where job titles collide with sidebar content.

When Two Columns Can Work

Two-column layouts work safely when using CSS/HTML styling with modern ATS platforms like Greenhouse or Lever, or when the secondary column contains only non-critical metadata.

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