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How to Make All Pages of a PDF A4 (Free, Phone OK)

Published: Oct 19, 2026 | Updated: Oct 19, 2026 | About (Japanese)

Key points
  • Choose a PDF
  • Choose "A4"
  • Save the PDF

Resize PDF Pages to One Size makes a PDF with mixed page sizes all A4.

Steps

  1. Tap "Choose a PDF" and select the PDF.
  2. Under "Target size" choose "A4".
  3. Leave the orientation on "Automatic per page". Wide pages become landscape A4.
  4. Tap "Resize and create the PDF" and save.

Nothing is cut off

Each page is scaled to fit A4 while keeping its proportions. Leftover space is white.

Use "Resize PDF Pages to A4 or Another Paper Size" (free)

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