PDF vs DOCX: which document format should you use?
Verdict: PDF wins for sharing and archiving — the layout is frozen and identical on every device. DOCX wins for drafting and collaboration — it is built to be edited. Finalize and send as PDF; draft and track changes in DOCX.
| Criterion | DOCX | |
|---|---|---|
| Editing | Hard to edit by design | Native editing with track changes |
| Layout fidelity | Identical on every device and printer | Reflows across versions, fonts, and platforms |
| Sharing a final copy | The standard final format | Recipients may see different pagination |
| File size | Often larger (embedded fonts, images) | Usually compact for text documents |
| Archiving | PDF/A is an ISO archival standard | Not an archival format |
| Forms and signatures | Native form fields and e-sign workflows | Basic form controls only |
Use PDF when
- Sending a resume, invoice, contract, or anything final
- Layout must survive other devices, fonts, and printers
- Collecting signatures or form responses
- Archiving documents for the long term
Use DOCX when
- The document is still being written or reviewed
- Collaborators need track changes and comments
- The recipient is expected to edit and return it
- You need the smallest file for a text-heavy draft
Convert for free, privately
Every tool below runs entirely in your browser — your files never leave your device.
Frequently asked questions
Can I convert a PDF back to editable Word?
Yes for text-based PDFs — conversion recovers paragraphs and basic formatting. Scanned PDFs need OCR first, and complex layouts always need a cleanup pass.
Should I send my resume as PDF or DOCX?
PDF, unless the employer explicitly asks for DOCX. It preserves your formatting on every screen and applicant-tracking systems parse modern PDFs reliably.
Which format prints more accurately?
PDF — it embeds fonts and fixes pagination, so the printed page matches your screen. DOCX can substitute fonts and repaginate on a different machine.
Can I convert between PDF and Word without uploading my document?
Yes — the linked converters process files locally in your browser, so contracts and resumes never leave your device.