Resize PDF Pages
Resize PDF pages to A4, Letter, F4, or a custom size with content scaled to fit, with no upload.
Processed on your device, not uploaded.
How to Resize PDF Pages to A4
- 1
Select Your PDF
Every page in it is resized to the new paper size.
- 2
Choose a Paper Size
A4 is preselected, or enter a Custom size in millimeters.
- 3
Set Orientation
Keep Auto, or lock every page to Portrait or Landscape.
- 4
Resize and Download
Press Resize Pages, then Download PDF.
Resize PDF Pages Features
Six Standard Paper Sizes
A4, A3, A5, Letter, Legal, and F4, or a Custom size in mm.
Uniform Size for Mixed PDFs
Merged PDFs from different sources get one paper size in a single pass.
Landscape Stays Landscape
Auto orientation keeps each page's original direction on the new paper.
Links Stay Tappable
Links, comments, and form fields adjust to the new page size too.
Common Questions
Yes, content is scaled proportionally and centered on A4. Leftover space at the edges stays blank.
Open this page in your iPhone or Android browser, select the PDF, choose A4 under Size, and press Resize Pages.
Use Compress PDF instead, since this tool changes the paper size, not the file size in KB or MB.
Choose F4 under Size. For a folio of another size, choose Custom and enter the width and height in mm.
Yes, pages are resized in the browser on your device, and the file isn't sent to a server.
PDF Guides and Tips

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