How to Change PDF Page Size Online Free – A4, Letter, Custom | PDFWorld

Learn how to change the page size of your PDF online for free. Resize pages to A4, Letter, or custom dimensions instantly with PDFWorld.

How to Resize PDF Pages Online – Professional Resizing Guide

Do you have a document in US Letter size but need it in A4 for printing? Or perhaps you need custom dimensions for a specific project? PDFWorld’s PDF Page Size Changer allows you to redefine the dimensions of every page in your document without losing quality.

Precision Page Resizing

• Standard & Custom Sizes: Access layouts like A4, Letter, Tabloid, or specify an exact millimeter width and height.
• Smart Scaling: Choose to geometrically fit content to the new boundaries or dynamically stretch to the margins.
• Selective Resizing: Apply your new sizing to every single page, or restrict changes specifically to just the odd or even pages.
• Mixed Dimensions Warning: Instantly alerts you if your source PDF contains differently formatted original layout sizes.

How to Resize PDF Pages – Step-by-Step

Step 1: Open page Size Changer

Go to pdfworld.in/pdf-page-size-changer.

Step 2: Upload Your PDF

Select the file you need to resize.

Step 3: Select New Dimensions

Choose a preset like "A4" or enter your custom width and height.

Step 4: Apply and Download

Click the "Change Page Size" button and download your resized PDF instantly.