Step 1 — Upload PDF
✂️
Drop PDF here or click to browse
Single PDF file
Step 2 — Choose Operation
A4
210×297mm
A3
297×420mm
A5
148×210mm
Letter
8.5×11in
Legal
8.5×14in
Custom
ℹ️ Content is scaled to fit the new page size while maintaining aspect ratio.
ℹ️ Adds white space around the content. Useful for printing or binding.
⚠ Crop removes the outer edges of each page. Enter how much to trim from each side in points (1pt ≈ 0.35mm).
Processing...0%
✓ Done
⏱ File expires in 45s

How to Crop and Resize PDF Pages Online — No Upload

Change the page size of your PDF to A4, Letter, or any custom dimensions. Add margins or crop edges to trim unwanted whitespace. LovelyPDF processes all page resizing and cropping using pdf-lib directly in your browser. No file is sent to any server.

Step-by-Step Guide

  1. Upload your PDF by clicking or dragging it into the tool
  2. Choose a preset size (A4, Letter) or enter custom dimensions
  3. Set margins or crop values if needed
  4. Click Apply and download your resized PDF

Common Use Cases

Frequently Asked Questions

Will resizing distort the content?

Content is scaled proportionally. For best results, resize to the same aspect ratio as the original.

Can I resize individual pages differently?

Currently the same dimensions apply to all pages. Use Page Manager to extract pages first for per-page resizing.

What units can I use?

Millimeters, inches, or points. The tool converts automatically.

Related tools: Rotate PDF · Page Manager · Header & Footer