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Resize PDF to A4 Page Size

Mixed page sizes or phone-sized scans? Put every page on a standard A4 sheet.

✓ Free✓ No upload — runs on your device✓ Works on mobile

Choose a PDF, pick A4 (or Letter/Legal) and a margin, and tap Resize pages. Each page is scaled to fit and centred — nothing is cropped, and text stays selectable.

Getting documents right for online forms

How to resize pdf to a4 page size

  1. Choose the PDF.
  2. Pick the page size and margin.
  3. Tap Resize pages and download.

FAQs

Does resizing to A4 reduce quality?
No. Pages are scaled as vector content, so text and lines stay sharp.
Are my files uploaded to a server?
No. The tool runs entirely in your browser using JavaScript — your files never leave your phone or computer, so they stay private.

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