Free Online PDF Resizer

Upload Your PDF

Click 'Choose your PDF file to resize' and select the PDF document you want to resize from your device. The file will be loaded locally in your browser.

Select Target Size

Choose your desired paper size from the dropdown menu. Options include A4, Letter, Legal, A3, and many other international standard formats.

Resize Your PDF

Click 'Resize to [Format]' to start the resizing process. The tool will scale each page to fit the new dimensions while maintaining content proportions.

Download Resized File

Preview the resized document and download it using the 'Download' button. The file is saved with the new format name and ready to use immediately.

Multiple Paper Size Standards

Choose from ISO A-series (A0-A6), US Letter/Legal/Tabloid, Japanese JIS B-series, and international formats like F4 and Foolscap

Smart Content Scaling

Automatically scales and centers content to fit new page dimensions while maintaining aspect ratio and preventing distortion

100% Browser-Based

All processing happens locally in your browser - no server uploads, ensuring complete privacy and security for your documents

Real-time Preview

Compare original and resized PDFs side-by-side with built-in preview functionality before downloading

Complete Privacy & Security

Your PDFs never leave your device. All processing happens locally in your browser using advanced JavaScript libraries, ensuring your sensitive documents remain private and secure.

Free & Unlimited

Resize as many PDFs as you need without registration, subscriptions, or hidden fees. No watermarks or usage restrictions on the resized documents.

Professional Quality

Smart scaling algorithms maintain content quality and readability while ensuring proper centering and aspect ratio preservation for professional results.

International Standards

Support for all major paper size standards including ISO A-series, US formats, Japanese JIS B-series, and regional formats used worldwide.