Choosing the wrong file format causes formatting to break, files to become uneditable, or images to lose quality. Here is a clear breakdown of when to use PDF, Word DOCX, and JPG.
Use PDF when the document's appearance must be preserved exactly:
Use DOCX when the document needs to be edited or collaborated on:
Use JPG when the output is purely visual and doesn't need selectable text:
| Situation | Best format |
|---|---|
| Sending a CV / resume | |
| Collaborating on a draft | DOCX |
| Sharing on social media | JPG |
| Submitting a form | |
| Sending an invoice | |
| Document still being edited | DOCX |
| Website page thumbnail | JPG |
| Legal contract | |
| Magazine article draft | DOCX |
| Archiving records long-term |
PDF to Word, PDF to JPG, Word to PDF — all free, no signup.
Try Our Conversion Tools →Send as PDF. It preserves your formatting exactly regardless of the recipient's software. Only send as Word if the job posting specifically requests it.
PDF is a document format with multiple pages, selectable text, and preserved layout. JPG is a flat image — one visual snapshot with no selectable text or pages.
Yes. Each page of a PDF can be exported as a separate JPG image. Use our PDF to JPG tool to do this free online.
For text documents, PDF is usually smaller. For photographs, JPG is smaller. Scanned PDFs (stored as images) can be very large — compressing them brings the size down significantly.