Professional PDF Resizer - Change Page Size
Adjust PDF page dimensions to standard sizes like A4, Letter, or Legal, or specify custom dimensions in points. All processing is local and private.
Standard Presets
A4, Letter, Legal sizes
Custom Dimensions
Enter any width/height in points
Auto-scaling
Content scales proportionally
100% Local
No server upload, private
Fast Processing
Uses PDF.js + jsPDF
Completely Free
No signup, no watermarks
✨ Why Our PDF Resizer Stands Out
Change PDF page dimensions entirely in your browser using PDF.js and jsPDF. Your PDF never leaves your device – zero privacy risks. Choose from preset sizes or enter custom dimensions, and the content scales automatically to fit the new page size with high-quality rendering.
- ✅ Zero upload – 100% client-side processing
- ✅ Preserve quality – 2x scaling for sharp images
- ✅ Multiple presets – A4, Letter, Legal, and custom
- ✅ Instant download – resized PDF ready in seconds
📖 How to Resize a PDF
Upload PDF
Drag & drop or click to select a PDF file (Max 5MB)
Choose Size
Select a preset (A4, Letter, Legal) or enter custom dimensions
Resize & Download
Click resize, get your PDF with new page dimensions instantly
❓ Frequently Asked Questions
💡 Expert Tips for Best Results
For the best results, choose a preset size that matches your printing or viewing needs. Custom dimensions are measured in points (1 point = 1/72 inch). Content will scale to fit the new page size while preserving aspect ratio.
- 🎯 Max file size 5MB ensures smooth client-side processing.
- 📄 All pages – each page is resized to the new dimensions.
- 🖼️ Preserve content – text, images, and vector graphics scale proportionally.
- ⚡ Custom dimensions – use points (1 point = 1/72 inch) for precise control.