How-To2026-03-222 min read
How to Resize PDF Pages — Change to A4, Letter, Legal
Resize PDF Pages
Go to Resize PDF Pages
Upload your PDF
Choose target size: A4, Letter, Legal, A3, or A5
Pages are scaled to fit with centered content
Click Process & Download
Paper Sizes
| Size | Dimensions | Common Use |
|------|-----------|------------|
| A4 | 210 × 297mm | International standard |
| Letter | 8.5 × 11in | US standard |
| Legal | 8.5 × 14in | US legal documents |
| A3 | 297 × 420mm | Posters, large prints |
| A5 | 148 × 210mm | Booklets, half-size |
Related Tools
Crop PDF — trim margins instead of resizing
N-Up — fit multiple pages per sheet
Poster Print — split one page across multiple sheets