FileopiaChange PDF Page Size
Convert PDF pages to A4, US Letter, Legal, A3, A5 and more. Content is scaled to fit and centred as sharp vectors. Free.
- Upload
- Options
- Download
- ✓ 100% free
- ✓ No sign-up
- ✓ No limits
- 🔒 Files never leave your device
How to: Change Page Size
- Select your PDF.
- Pick the new page size, orientation and margin.
- Download the resized PDF.
Documents travel between regions that use different paper: A4 in most of the world, Letter and Legal in North America. Changing the page size avoids cut-off margins and printer warnings when printing on local paper.
Common uses
- Convert US Letter documents to A4 for printing in Europe, Asia or Latin America – or the reverse.
- Make mixed-size scans uniform.
- Prepare A5 pages for a booklet or flyer.
Tips for best results
- Keep "scale to fit" on to avoid cutting content.
- The file size is not reduced – use Compress PDF for that.
A4 vs Letter
A4 is slightly narrower and taller than US Letter. Printing A4 on Letter paper (or the reverse) can cut off headers and footers; converting the page size first ensures everything fits with balanced margins.
Mixed page sizes
If a PDF contains pages of different sizes, converting all of them to one standard size gives a consistent document that prints and binds neatly.
Why use Fileopia for Change Page Size?
| Fileopia | Typical upload-based sites | |
|---|---|---|
| Files uploaded to a server | No – processed on your device | Yes |
| Sign-up required | Never | Often for bigger jobs |
| Hourly / daily task limits | None | Common on free plans |
| Watermark on output | Never | Sometimes |
| Works offline after loading | Yes, for most tools | No |
Your files never leave your device
Change Page Size runs entirely in your browser using JavaScript and WebAssembly. Your files are read from your disk into this tab, processed in memory and saved straight back to your downloads folder – they are never uploaded to Fileopia or any third party.
- Test it yourself: once this page has loaded, switch off Wi‑Fi or mobile data and run the tool – it keeps working.
- Check the network: open your browser’s developer tools (F12 → Network) while processing; you will see no file upload requests.
- Nothing to delete: close the tab and the data is gone – there is no server copy, no retention period and no account.
Frequently asked questions
Will the text get blurry?
No, pages are scaled as vectors.
Does it blur my document?
No, pages are scaled as vectors.
Is Change Page Size really free?
Yes. Every tool on Fileopia is 100% free with no file limits, no sign-up and no watermarks. The site is supported by unobtrusive ads.
Are my files uploaded to a server?
No. Fileopia processes your files directly in your browser using JavaScript. Your documents never leave your device, so they stay completely private.
Does it work on mobile?
Yes. Fileopia works in any modern browser on Android, iPhone, iPad, Windows, Mac and Linux.