Is this tool private?

Yes. All processing happens locally in your browser. No data is uploaded.

What extras does this tool have?

Extras: (1) Core function, (2) Batch mode, (3) Copy results, (4) Download, (5) History, (6) CSV export, (7) Custom options, (8) Validation, (9) Warnings, (10) Stats, (11) Multi-format, (12) Configurable, (13) Preview.

PDF Runs in your browser

PDF Combine Pages Side-by-Side

Combine PDF pages 2-up (side-by-side) with spacing and orientation options. 100% private. 100% private.

100% Private Works Offline Instant

Presets:

Total pages

Page range

Mode

Orientation

Page order

Within-sheet order

Output page size

Spacing (pt): 18

Margin (pt): 36

Draw border Draw border around each sub-page

Combine plan

Output sheets4

Output dimensions612 × 792 pt

Sub-page size261.0 × 720.0 pt

pdf-lib code (reference)

import { PDFDocument } from 'pdf-lib';
const src = await PDFDocument.load(srcBytes);
const out = await PDFDocument.create();
const srcPages = src.getPages();
// Sheet 1: embed source pages [0], [1]
// Sheet 2: embed source pages [2], [3]
// Sheet 3: embed source pages [4], [5]
// Sheet 4: embed source pages [6], [7]
// Use out.addPage() with the embedded pages positioned per plan.
const bytes = await out.save();

Sheet preview (positions in pt)

Sheet 1

P1x=36, y=36261×720

P2x=315, y=36261×720

Sheet 2

P3x=36, y=36261×720

P4x=315, y=36261×720

Sheet 3

P5x=36, y=36261×720

P6x=315, y=36261×720

Sheet 4

P7x=36, y=36261×720

P8x=315, y=36261×720

Combine PDF pages 2-up (side-by-side) with spacing and orientation options. 100% private. 100% private. Everything runs locally in your browser — your data never leaves your device.

How to use

Enter your input in the tool above.
Adjust any options to your preference.
Use the Copy or Download buttons to save the result.
Everything happens locally — your data never leaves your browser.

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