How to resize a PDF to A4 or Letter
Scale every page of your PDF to a standard size — A4, Letter or Legal — so it prints cleanly and consistently. pdfcdf fits each page to the new size and centers it, in your browser.
Try Resize PDF now →Step by step
- 1Open the Resize PDF tool and upload your PDF.
- 2Choose your target size: A4, Letter or Legal.
- 3Click “Resize” to download a PDF with uniform page sizes.
FAQ
Which size should I choose for printing?
Use A4 for most of the world and Letter for the US and Canada. Legal is for long US legal documents.
Is pdfcdf free to use?
Yes. Every tool on pdfcdf is completely free, with no account, no watermarks, and no limits on how many files you process.
Are my files safe? Do they get uploaded?
Your files never leave your device. Every tool runs entirely in your browser, so your documents are processed locally and are never uploaded to a server or seen by anyone.
Do I need to create an account or sign up?
No. pdfcdf works instantly with no sign-up, no email, and no software to install — just open the tool and go.
Does it work on mobile phones and tablets?
Yes. pdfcdf runs in any modern browser on phones, tablets, Mac, Windows and Linux — nothing to download.
Ready to resize pdf?
Open Resize PDF →