Resize PDF
Online for Free

Change PDF page dimensions to standard paper sizes like A4, Letter, and Legal, or configure custom dimensions and fit content to your exact layout. You can also compress PDF file sizes for easy emailing and uploading—all processed 100% privately in your browser.

or drag and drop your PDF here

Local In-Browser Processing
.pdf • Private In-Browser Processing • Your file never leaves your device

How it works

1

Select your PDF

Choose your PDF file to process privately and securely right in your browser.

2

Choose Resize or Compress

Select your target tool and configure page dimensions or compression settings.

3

Download processed PDF

Save your processed document directly with zero watermarks and zero server uploads.

Free Online PDF Utilities

Fast browser-based tools with zero watermarks and privacy-first architecture.

View PDF tools

Resize PDF

Primary

Adjust page dimensions to standard sizes (A4, Letter, Legal, A3, A5) or custom width and height.

Compress PDF

Fast

Reduce PDF file size for easy emailing and uploading while maintaining crisp text clarity.

Online PDF Resizing & Document Formatting

Resizing a PDF changes the physical page dimensions of your document canvas. Whether converting between international metric standards and North American sizes or setting up custom dimensions for print publications, our tool adapts your document layout without sacrificing visual quality or text legibility.

Convert A3 to A4

Scale large presentations, posters, or architectural schematics down to standard A4 paper size for office and home printers.

Convert Letter to A4

Seamlessly convert US Letter business files into international ISO A4 format for overseas clients and visa submissions.

Standardize Mixed Sizes

Harmonize multi-page documents containing differing scanned sheet dimensions into a unified, professional format.

Custom Page Dimensions

Specify exact millimeter, inch, or point measurements for book covers, shipping labels, and specialty printing projects.

Fit Content Without Distortion

Use proportional scaling to adapt full-page artwork to new boundaries while maintaining original aspect ratios and margins.

Need to Reduce File Size?

Looking to shrink byte size for email attachments rather than modifying page dimensions? Try our companion compressor.

Go to Compress PDF

Ready to resize your document?

Launch the full interactive PDF page resizer with preset dimensions and custom aspect ratios.

Resize PDF ToolCompress PDF Tool