Change PDF page dimensions to A4, Letter, Legal, or any custom size. Scale your documents up or down while preserving quality. No signup needed.
Resize PDF NowChange your PDF dimensions in three simple steps
Drag and drop your PDF file or click to browse. We support files up to 10MB for free users.
Select from preset sizes like A4, Letter, or Legal, or enter custom dimensions in mm or inches.
Click resize and download your newly sized PDF instantly. Content is scaled to fit perfectly.
Everything you need to change PDF page dimensions
Quick presets for A4, A3, A5, Letter, Legal, Tabloid, and other common paper sizes used worldwide.
Enter exact width and height in millimeters, inches, or points for precise control over your page size.
Maintain proportions when resizing to prevent content distortion. Or unlock to stretch content as needed.
Text remains crisp and images maintain their resolution. No quality loss during the resizing process.
Switch between portrait and landscape orientation, or convert all pages to match the same orientation.
Resize all pages at once or select specific pages to resize. Apply different sizes to different pages.
All processing happens in your browser. Your files never leave your device or get uploaded anywhere.
Resize PDFs from any device—desktop, tablet, or smartphone. No software installation required.
Choose from these popular paper sizes or enter custom dimensions
210 × 297 mm
8.27 × 11.69 in
215.9 × 279.4 mm
8.5 × 11 in
215.9 × 355.6 mm
8.5 × 14 in
297 × 420 mm
11.69 × 16.54 in
148 × 210 mm
5.83 × 8.27 in
279.4 × 431.8 mm
11 × 17 in
The easiest way to change PDF page dimensions online
Resize unlimited PDFs without any cost. No hidden fees or premium features locked behind paywalls.
Start resizing immediately. No account creation, email verification, or personal information required.
Works entirely in your browser. No software to download, install, or update. Just open and resize.
Smart scaling algorithms ensure content fits perfectly on the new page size without distortion.
See how professionals use our PDF resizing tool
Convert US Letter documents to A4 for European printing, or vice versa. Ensure proper margins and layout.
Scale up documents to A3 or larger sizes for posters, signage, and large-format printing needs.
Resize A4 pages to A5 for booklet printing, or create pocket-sized versions of larger documents.
Convert documents to Legal size (8.5×14") for court filings and legal submissions.
Unify page sizes when merging PDFs from different sources with inconsistent dimensions.
Resize documents to fit specific screen sizes for digital presentations or e-reading devices.
More tools to edit and manage your PDF documents
Everything you need to know about resizing PDF pages
Upload your PDF, select "A4" from the preset sizes dropdown, and click resize. Your PDF will be scaled to fit the A4 page dimensions (210 × 297 mm).
Text remains sharp at any size. Images may appear slightly larger or smaller but maintain their original resolution. Vector graphics scale perfectly.
Yes, enter custom width and height in millimeters, inches, or points. This is useful for non-standard paper sizes or specific requirements.
A4 (210 × 297 mm) is slightly narrower and taller than US Letter (215.9 × 279.4 mm). A4 is standard in most countries, Letter is used in North America.
Yes, select which pages to resize in the page selector. Apply different sizes to different pages if needed.
Completely free for files up to 10MB. No watermarks, no signup, no hidden fees. Pro users can process larger files.
Yes, switch between portrait and landscape, or rotate pages 90 degrees. Combine resizing with rotation in one step.
Choose your printer's paper size (usually A4 or Letter), ensure "Fit to page" is enabled, then resize. The content will scale to fit perfectly.
All processing happens in your browser. Files never leave your device, ensuring complete privacy and security.
Yes, scanned documents resize just like any other PDF. The scanned images will scale to fit the new page dimensions.
Change PDF page dimensions to any size in seconds. Free, secure, and no signup required.
Resize PDF Now