How to resize pdf pages to a custom width and height
- Step 1Determine your target dimensions — Note the exact width and height required for your format in mm or inches.
- Step 2Upload the PDF — Drop it into the resize tool.
- Step 3Enter custom dimensions — Input width and height and choose mm, inches, or points as the unit.
- Step 4Download the custom-sized PDF — Save the output for your specific print or display application.
Frequently asked questions
What is the smallest page size I can use?+
You can create very small custom pages, but PDF viewer rendering may be limited below approximately 50 × 50 mm.
Can I resize only some pages to a custom size?+
Yes — specify a page range to resize only those pages. Other pages remain at their original dimensions.
Will the custom resize affect interactive form fields?+
Form field positions may shift after resizing. Flatten the form after resizing to lock content in the new layout.
Privacy first
All PDF processing runs locally in your browser using PDF-lib and pdf.js. No file is ever uploaded — only metadata counters are saved for signed-in dashboard stats.