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Lizely

PDF N-Up: Multiple Pages Per Sheet

Arrange two or four source PDF pages onto each output sheet locally while preserving page content and fitting mixed page sizes without stretching.

Privacy: your files never leave your device. All processing happens locally in your browser.

How to use

  1. 1.Choose a non-empty PDF no larger than 25 MiB.
  2. 2.Select two source pages per sheet or four source pages per sheet.
  3. 3.Select Create N-up PDF, check the source-to-sheet count, and download the new PDF.

About PDF N-Up: Multiple Pages Per Sheet

PDF N-Up places multiple source PDF pages on each page of a new downloadable document. Choose one local PDF, select two pages in a 2 by 1 arrangement or four pages in a 2 by 2 arrangement, and select Create N-up PDF. The browser loads the source, embeds its pages into a new PDF, computes each placement, and creates the download locally. The source file is not uploaded to Lizely.

The output sheet width and height come from the first page of the source document. This is an explicit, deterministic rule rather than a hidden paper-size preset. Each sheet reserves an 18-point outer margin and a 12-point gap between cells. Two-up uses two columns and one row. Four-up uses two columns and two rows. Pages are assigned left to right and then top to bottom, matching normal reading order.

Each embedded source page is scaled proportionally to fit inside its cell. The tool compares the available width scale with the available height scale, uses the smaller value, and centers the result in both directions. It never stretches a page to fill the cell. A tall source page therefore keeps its aspect ratio with space at the sides, while a wide source page can leave space above and below. Mixed source page sizes are supported by applying the fit calculation separately to every page.

If the source count does not fill the final sheet, the remaining cells stay empty. Five source pages in four-up mode produce two output sheets: four pages on the first and one page in the first cell of the second. The result reports the source page count, output sheet count, and approximate encoded size. The filename adds the selected arrangement, such as report-4-up.pdf.

The source PDF is limited to 25 MiB and 500 pages for bounded browser work. Empty, mislabeled, encrypted, damaged, oversized, over-limit, or unsupported documents produce a visible error and are not bypassed or rewritten. The operation does not rasterize ordinary PDF pages into screenshots. Instead, it embeds source pages through the existing PDF library, which generally preserves vector shapes and text as PDF content while placing the page as a reusable form.

Changing the file or arrangement invalidates the old result and revokes its temporary URL. A job identifier prevents a slower earlier file read from overwriting a newer selection. The tool saves only after all selected source pages have been embedded and positioned. Generation runs on button press, and the control remains disabled during the active operation to avoid duplicate work.

This focused N-up tool does not impose pages for duplex booklet signatures, add crop marks, rotate pages automatically, reorder source pages, print directly, remove annotations, flatten forms, preserve interactive links as newly positioned clickable regions, or guarantee a specific commercial printer workflow. It also does not alter the original file. Use it for review sheets, handouts, compact archives, and simple paper-saving layouts where two-up or four-up placement on the first source page box is the intended result.

Methodology & sources

Validate one bounded PDF, derive a 2×1 or 2×2 grid on the first source page box, reserve fixed outer margins and gaps, embed every source page with pdf-lib, scale each page proportionally by the smaller cell fit, center it, preserve reading order, serialize the output, and revoke stale URLs.

Frequently asked questions

What size are the output sheets?
Every output sheet uses the width and height of the first source PDF page.
Are source pages stretched to fill each cell?
No. Each page is scaled proportionally with the smaller fit factor and centered inside its cell.
What happens when the final sheet is not full?
Available source pages fill cells in reading order and the unused final cells remain empty.
Is the PDF uploaded?
No. Loading, page embedding, layout, serialization, and download creation run locally in the browser.

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