What does this tool do?
PDF Page Resizer is a fast, browser‑based tool that lets you resize your PDF pages to any popular standard size — A4, A3, A5, Letter, Legal, Tabloid, Executive, or a Custom Size of your choice. Everything runs locally on your device, so your documents stay 100% private and secure.
Upload your PDF, choose a target page size (or enter custom dimensions), and watch the live preview update instantly. When you're ready, click Resize & Download to get a new PDF with every page resized to the selected format. The original aspect ratio is preserved, and each page is centered on the new page size with a clean margin.
Key features at a glance:
- Live preview — See exactly how your pages will look on the new size before you download.
- 7 popular sizes + Custom — A4, A3, A5, Letter, Legal, Tabloid, Executive, and Custom.
- 100% private — No uploads to servers. Everything stays in your browser.
- No file size limits — Work with any PDF, from 1KB to 10GB+.
- Maximum quality — Uses PDF-LIB to preserve original content at full resolution.
- Instant download — Get your resized PDF in seconds.
- Completely free — No watermarks, no sign-ups, no hidden costs.
Why This Tool is Better Than Others
- 🔒 100% Private & Secure — All processing happens directly in your browser. Your PDFs are never sent to any server.
- ⚡ Instant Results — No waiting for server processing. Preview updates as you change sizes.
- 🖼️ Live Preview — See the resized page in real-time before you download.
- 🆓 Completely Free — Forever — No premium tiers. No daily limits. No sign-up required.
- 📁 No File Size Limits — Resize 1GB+ PDFs with zero restrictions.
- 🎯 Perfect Centering — Each page is automatically centered on the new page size.
- ✨ Maximum Quality — Uses PDF-LIB to preserve original PDF objects at full resolution without rasterization.
- 📐 Custom Size Support — Enter any width and height in inches.
Comparison With Other PDF Resizers
| Feature | Other Tools | PDF Page Resizer |
|---|
| Privacy | ❌ Files uploaded to servers | ✅ 100% Local Processing |
| File Size Limit | ❌ 10-50MB typical | ✅ Unlimited (1GB, 10GB, any size) |
| Cost | ❌ Freemium / Subscription | ✅ 100% Free Forever |
| Watermarks | ❌ Often adds watermarks | ✅ No watermarks ever |
| Live Preview | ❌ Rare | ✅ Instant live preview |
| Page Navigation | ❌ Limited | ✅ Browse and preview each page |
| Quality | ❌ Rasterizes to images | ✅ Preserves original PDF objects |
| Selectable Text | ❌ Often lost | ✅ Fully preserved |
| Custom Size | ❌ Rare | ✅ Enter any dimensions in inches |
Who should use it?
Students
Teachers
Designers
Professionals
Researchers
Legal Pros
Email Users
Businesses
Anyone who needs to resize PDF pages to standard formats quickly, privately, and without any cost.
How to Use (Step-by-Step)
- Upload PDF — Drag & drop your PDF file or click to browse.
- Choose Size — Select your target page size from the dropdown or choose "Custom Size" and enter your own dimensions.
- Preview — Watch the live preview update instantly.
- Navigate Pages — Use Prev / Next to preview each page.
- Download — Click "Resize & Download" to save your resized PDF with maximum quality.
When to use it?
- Email attachments — Resize to Letter or A4 for professional correspondence.
- Student projects — Convert to A4 for printing and submission.
- Professional reports — Standardize page sizes for client presentations.
- Legal documents — Convert to Legal or Letter for court filings.
- Design portfolios — Resize to A3 or Tabloid for larger layouts.
- International documents — Switch between A4 and Letter for global compatibility.
- Custom projects — Use the Custom Size option for unique page dimensions.
Why it's useful?
- Saves time — No need for expensive software or slow online uploads.
- Maximum quality — Uses PDF-LIB to keep original PDF objects intact at full resolution.
- No installation — Works entirely in your web browser on any device.
- Complete control — Live preview gives you confidence before you download.
- Privacy guaranteed — Your documents never leave your computer.
- No watermarks — Get clean, professional results every time.
- Custom sizes — Enter any page dimensions you need.
Use Cases (Real-World Examples)
- Student: Converts lecture slides from A4 to Letter for printing on US paper.
- Teacher: Resizes a workbook from A4 to Legal for easier margin annotations.
- Legal professional: Converts contracts from Letter to Legal for court submission.
- Researcher: Resizes academic papers from A4 to A5 for compact conference booklets.
- Graphic designer: Converts portfolio pages from Letter to A3 for large-format prints.
- Business analyst: Resizes reports from A4 to Tabloid for large-format printing.
- E-book author: Converts manuscript from A4 to A5 for a portable reading experience.
- Administrative assistant: Resizes scanned documents from Legal to Letter for filing.
- International student: Converts US Letter documents to A4 for European submissions.
- Custom project: Creates a unique page size for a specialized print project.
Pro Tip: Use the live preview to compare different page sizes before downloading. The Custom Size option lets you enter any width and height in inches, giving you complete control over your page dimensions.
Your privacy is protected — no PDF data is stored or sent anywhere. All processing runs locally in your browser. 100% free, no sign-ups.
