Few resume questions generate more conflicting advice than file format. Some swear by PDF; others insist Word is the only safe choice. The honest answer is that both can work, but the right pick depends on how the file is created and where you are submitting it.
The case for PDF
A PDF preserves your layout exactly across every device and operating system. What you design is what the recruiter sees. Modern applicant tracking systems read text-based PDFs reliably, and PDF is the cleaner choice when a human will view the file directly, such as an email attachment to a hiring manager.
The case for Word (.docx)
Word documents are the most universally parseable format, and a few older or stricter systems still handle .docx more predictably than PDF. Some application portals explicitly request .docx so the file can be edited or re-formatted internally.
The deciding rule
Follow the instructions in the application. If the portal lists accepted formats, use what it asks for. If it says nothing, a text-based PDF is a safe default for most modern systems. The one format to avoid in all cases is an image-based or scanned PDF, where the text is actually a picture and no parser can read it.
How to tell if your PDF is text-based
Open the file and try to select and highlight a line of text with your cursor. If you can select individual words, the PDF is text-based and parseable. If the whole page selects as one image, it will fail. The same test works for confirming the file exported correctly from your editor.
- Both PDF and Word can pass modern ATS — creation matters more than format.
- Always follow the format the application portal requests.
- Default to a text-based PDF when no format is specified.
- Never submit an image-based or scanned PDF; confirm text is selectable.
Stop agonizing over the format wars. Match the portal's request, default to a clean text-based PDF when unsure, never submit an image-based file, and confirm your text is selectable before you hit submit.