How to convert a us letter pdf to a4 paper size
- Step 1Upload the US Letter PDF — Drop the document into the resize tool.
- Step 2Select A4 as the target — Choose A4 preset (210 × 297 mm).
- Step 3Apply the resize — All pages are scaled from Letter to A4 dimensions.
- Step 4Download and print on A4 paper — Save the A4 PDF for your printer.
Frequently asked questions
Will the text look smaller after conversion?+
A4 is slightly taller but narrower than Letter. Text may appear marginally smaller — typically less than 2%, imperceptible in most documents.
Can I convert A4 to Letter instead?+
Yes — choose US Letter as the target size to resize an A4 PDF for North American printing.
Does this affect embedded fonts?+
No — fonts are embedded in the PDF and are not affected by page size scaling.
Privacy first
All PDF processing runs locally in your browser using PDF-lib and pdf.js. No file is ever uploaded — only metadata counters are saved for signed-in dashboard stats.