PDF Page Size Converter
Rebuild PDF pages at A4, Letter, Legal, or custom size, scaled intact.
Browser onlyYour data never leaves this device.
Loading, embedding, and encoding all run in your browser, in a background worker when available. The document never leaves the device and the original is never changed.
Details: Privacy policy
Input
Drop files here or Browse
Drag and drop works here too.One non-encrypted PDF up to 100 MB and 1,000 pages.
Every page scales to fit inside the target, centred with background at the gaps.
Whole points from 0 to 72 on every side of the new pages.
Original pages are embedded and drawn scaled: vector content stays sharp and nothing reflows — text never rewraps, tables never move. Contain keeps proportions with background filling the gaps; fit stretches to the exact box. Nothing is uploaded.
Result
No conversion yet.
Choose a PDF to convert its page size.
PDF Page Size Converter rebuilds every page at a new size - A4, Letter, Legal or a custom box - by embedding each original page and drawing it scaled. That approach is what keeps vector content sharp and stops text from rewrapping: nothing is reflowed, so a table does not break and a line does not move, it simply lands on a differently shaped page. Contain mode keeps proportions and shows the background at the gaps; fit mode stretches to the exact box, which is the right choice for an image and usually the wrong one for text. Custom boxes span thirty-six to two thousand eight hundred and eighty points. One non-encrypted PDF per run, up to a hundred megabytes and a thousand pages. It is the tool for normalising a mixed batch before printing, for meeting a portal's page-size requirement, and for turning a Letter document into an A4 one for a European print shop.
How to use PDF Page Size Converter
- Drop one PDF and read its current page sizes.
- Pick the target size, fit, margin, and background, and check the scaling preview.
- Download the rebuilt document.
What you get
- A new PDF with every page rebuilt at A4, Letter, Legal or a custom box you specify.
- Contain mode keeping proportions with the background showing at the gaps, or fit mode stretching to the exact box.
- Vector content left sharp because pages are embedded and drawn scaled rather than rasterised.
When to use PDF Page Size Converter
- Convert a US Letter document to A4 for a European print shop.
- Normalise mixed-size scans onto one uniform page size.
- Shrink oversized pages to a custom box for on-screen reading.
- Normalise a mixed batch of scans and exports to one page size before sending it to a printer.
Frequently asked questions about PDF Page Size Converter
Does converting reflow my content?
Never. Original pages are embedded as whole pages and drawn scaled, so layout is frozen — only the page box and scale change.
Which should I pick: contain or fit?
Contain keeps proportions and centres each page with background at the gaps. Fit stretches every page to the exact box, which changes proportions.
What happens to blank pages?
They convert to blank target pages at the new size instead of failing the document, and the preview shows their scaling like any other page.
Is anything uploaded?
Nothing. Loading, embedding, and encoding run in your browser — in a background worker when one is available — and bytes are released on clear.
Guides that compare PDF Page Size Converter
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