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Privacy and productivity guide

How to merge PDF files privately in your browser

A practical guide to combining PDF files in the correct order without installing software or rasterising their pages.

Updated: 2026-08-11Original PDFUAE guide

When PDFs contain contracts, applications or office records, speed is only one part of a safe merge. You also need a predictable order, a clear processing location and a final file you can inspect before sharing.

PDFUAE merges supported PDFs locally in your browser. Pages are copied into a new document rather than converted to images, helping preserve searchable text and the original page quality.

Local browser processingReorder files before mergingNo sign-in or installationOriginal files remain unchanged
Step by step

A reliable PDF merging workflow

1

Prepare and name your files

Add simple prefixes such as 01, 02 and 03 when sequence matters. This makes missing attachments easier to spot before you begin.

2

Select two or more PDFs

Open the merge tool and choose files from your device. You can add more documents or remove an unwanted one before processing.

3

Confirm the document order

Move files up or down until the list matches your intended sequence, paying particular attention to cover pages, indexes and appendices.

4

Merge, open and inspect

Download the new PDF and open it. Check the first and last pages, the total page count and several points where one source file changes to the next.

Before sharing

Checks before you share

The page count matches the source documents

The cover or application appears first

No page is duplicated or upside down

Important text and links remain clear

The file size fits the recipient's upload limit

Avoid these

Common merging mistakes

Trusting file-picker order

Browser selection order may differ from the folder view. Always review the list inside the tool.

Sharing without opening the result

A completed operation does not replace inspection; an encrypted or damaged source may still need attention.

Deleting the originals immediately

Keep source files until the merged copy has been accepted. PDFUAE creates a new file and does not replace them.