Resize PDF — Change Page Size or Scale
Drop one or more PDFs, pick a target page size or a scale factor, and download the resized files. Content is scaled to fit the new box and centered. Useful for fitting a Letter document onto A4 paper or shrinking a poster down to a printable sheet.
Drop your PDF files here
Multiple files allowed · same target applied to all
When to use this tool
Crossing the Atlantic? US Letter and A4 are close but not identical — content created in one and printed on the other gets margins clipped or extra whitespace. Resize copies the content into a fresh page of the size you want, scaled and centered so nothing is cut.
Step by step
- Drop the PDFs. Same target applies to every page of every file.
- Pick a size or pick "scale" and enter a percent.
- Click "Resize & download". Output named
name-resized.pdfper input.
FAQ
Does this lose any content?
No — content is scaled to fit the new box, never cropped. If the source aspect ratio doesn't match the target, you'll get equal margins on the long axis.
Mixed page sizes in one file?
Every page is rescaled independently to the target. So a file with mixed A4 + A5 sources will end up uniform after resize.
Are my files uploaded?
Never — this runs entirely in your browser via pdf-lib. See the privacy policy.