Crop PDF · 2 min read

How to Resize a PDF to A4 Page Size — Free Online

Resizing PDF pages to A4 ensures consistent printing and professional appearance for documents that will be submitted or printed on A4 paper.

1

Open pdfeditor.onl/crop-pdf

Navigate to the crop tool which includes page size resizing functionality.

2

Select A4 Page Size

Choose A4 (210 × 297 mm) from the preset size options. The tool scales all content proportionally to fit the A4 page.

Tip: For US Letter → A4 conversion, the scale is approximately 97% — almost no visible difference in content size.

3

Apply and Download

Click Apply to All Pages. Download the A4-formatted PDF, ready for printing or submission.

Resize PDF to A4 — Free →

Frequently Asked Questions

What is the difference between A4 and US Letter?

A4 (210 × 297 mm) is slightly narrower and taller than US Letter (216 × 279 mm). Both are near-identical for most documents.

Is this free?

Yes — completely free at pdfeditor.onl/crop-pdf.

← Back to All Guides