Resize PDF to Letter or A4
Change the page size of a PDF to Letter, A4, Legal or A5, scaling the content without cropping and with an optional margin.
How to useChange the page size of a PDF
Available in: 
Resize PDF to Letter or A4: what it is for
Choose the PDF and the new paper size. Each page is scaled proportionally and centered, keeping text and images as vectors, with no loss of quality. You can also force portrait or landscape and add a margin.
The PDF is not sent to any server: everything is processed in your browser.
How to use
- Choose the PDF.
- Select the size, orientation and margin.
- Download the resized PDF.
When to use it
- Standardizing documents to Letter for printing.
- Converting A4 PDFs to Letter and back.
- Shrinking pages to A5 to make booklets.
Frequently asked questions
Is the content cropped?
No. Each page is scaled down or up in the right proportion to fit entirely on the new sheet, and centered. If the proportions are different, white bands are left at the edges.
Does the quality change?
No. The text and images inside the PDF stay the same; only the scale changes. Text remains selectable.
Is it really free?
Yes, 100% free. No sign-up, no subscription and no usage limits. All Tools123 tools are free and run right in your browser.