CodeASystem PDF tools
Add outer margins to PDF pages.
Expand canvas dimensions and translate page content to create space for hole-punching, spiral binding, and margin notes locally.
PDF Margin Resizer
Add outer padding and margins around PDF pages for binding, annotations, or printing.
Processing happens entirely inside your browser. No files are uploaded to any server.
How it works
Precision boundary expansion. Zero uploads.
Upload your PDF and enter the desired margin width in millimeters, inches, or points. The tool expands the PDF boundary boxes and shifts content coordinates without lossy rasterization or quality reduction.