Change PDF Page Size
Set a standard page size for the whole PDF.
Change every page of a PDF to a standard size — A4, Letter, A3, A5 or Legal — with content scaled to fit. Processed locally in your browser.
How to use
01
Select a PDF
Choose the PDF whose page size you want to change.
02
Pick a size
Select A4, A3, A5, Letter or Legal and choose orientation behavior.
03
Convert
Click CONVERT. Content is scaled to fit the new page size.
04
Download
Download the resized document.
Features
Standard presetsA4, A3, A5, Letter and Legal — no need to remember point sizes.
Content fitsText and images are scaled proportionally to the new page.
Orientation controlKeep each page's orientation or force portrait/landscape.
LocalProcessing happens in your browser — nothing is uploaded.
Privacy & security
Page-size conversion runs locally. The document never leaves your device.
Limitations
- Scaling content changes its visual size; very large changes can reduce sharpness.
- Some printers expect exact sizes — verify margins after conversion.
Frequently asked questions
A4 for most of the world, Letter for North America, Legal for contracts and A3/A5 for posters and booklets.
No — content is scaled like a photocopy; line breaks stay the same.
For exact custom dimensions, use Resize PDF instead.
Yes — free, no account, no watermark.