Are my uploaded PDF files and documents secure?

100% yes! All PDF merging and image conversions occur completely on your device using client-side JavaScript. Your files never leave your computer or touch any server.

How does the 6 pages in 1-A4 sheet download work?

It automatically arranges up to 6 pages or images per A4 sheet in a 2x3 grid with dashed cut lines and maximized slot sizing. If you upload 18 pages, it compiles them into exactly 3 A4 sheets ready for printing.

Can I upload both images (JPG, PNG) and PDF files together?

Yes. You can mix and match multi-page PDFs, single-page PDFs, and image files. Every individual page is extracted into a visual card that you can reorder, rotate, select, or delete.

Can I reorder or rotate pages before downloading?

Yes! Use the Move Up/Down buttons to organize pages in any sequence, select/delete unwanted pages, and use the 90° rotate button to fix page orientation before exporting.

Productivity & UtilitiesUpdated: 2026-10-06

Image/PDF Merger

A versatile client-side utility for document, image, and label management. Upload multiple PDFs and image files, reorder and rotate pages in sequence, and download as a merged PDF or an optimized 6 pages in 1-A4 sheet layout with maximized fit.

Loading Image & PDF Merger...

Initializing browser-native PDF processor

Technical Specifications & Methodology

Browser-Native Processing & 6-in-1 A4 Sheet Layout Architecture

All PDF parsing, image decoding, page scaling, and document compilation take place 100% locally inside your client browser using WebAssembly and Web Canvas APIs. No sensitive documents, invoices, or customer data are uploaded to external servers.

Mathematical Formulas Applied:

A4 Standard Dimensions = 595.28 pt x 841.89 pt (72 DPI base)

6-in-1 Grid = 2 Columns x 3 Rows = 6 Slots per A4 Page

Slot Dimensions = ~289 pt Width x 273 pt Height with Minimal Margins

Scale Factor = Math.min(SlotWidth / SourceWidth, SlotHeight / SourceHeight)

Engineering Notes:

Supports standard invoices, receipts, shipping labels, certificates, and multi-page documents.

Preserves barcode and text resolution with vector embedding for crisp laser and inkjet printing.

Frequently Asked Questions

Everything You Need to Know About Image/PDF Merger

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