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How to Use Merge PDF

2026-11-124 min readBy Apex Tool Station Team

How to use Merge PDF — step-by-step guide

Combine multiple PDF files into one document. Reorder files before merging.

100% free No signup Works in your browser

Open Merge PDF tool

1. What is Merge PDF?

Merge PDF joins invoices, reports, scanned pages or chapters into a single PDF file. Add your files, put them in the right order with the arrow buttons, and download one combined document. Everything happens in your browser, so confidential files stay private.

Combine multiple PDF files into one document. Reorder files before merging. It offers unlimited files, reorder before merging, keeps original page quality and no upload, no watermark.

2. How to use Merge PDF

Here is the whole process, step by step. It takes less than a minute from opening the tool to seeing your result.

  1. 1Select or drag two or more PDF files.
  2. 2Use ↑ and ↓ to set the order.
  3. 3Click "Merge PDFs" to download the combined file.

Press the "Merge PDFs" button and your result appears on the page.

Everything runs in your browser — your files and text never leave your device.

3. What you can do with it

  • Unlimited files
  • Reorder before merging
  • Keeps original page quality
  • No upload, no watermark
  • Run the tool with the "Merge PDFs" button when your input is ready.

4. Tips for best results

  1. Your text never leaves your device — The tool runs entirely in your browser using JavaScript. Nothing is uploaded, so you can paste private documents without worry. That also means there is no account to create and no file to upload.
  2. It works on your phone too — Open the tool in any modern browser on Android or iPhone. The layout adjusts to the screen and everything works the same way on a small screen as on a desktop.
Why use Merge PDF

5. Key features

Unlimited files
Reorder before merging
Keeps original page quality
No upload, no watermark

Frequently asked questions

Can I merge password-protected PDFs?

PDFs that need a password to open must be unlocked first. Files with only editing restrictions usually merge fine.

Is Merge PDF free?

Yes. Merge PDF on Apex Tool Station is 100% free with no signup and no watermark. Browser tools have no usage limits.

Are my files or data uploaded to a server?

No. Everything runs locally in your browser using JavaScript. Your files and text never leave your device, which makes it safe for private documents.

Does it work on mobile?

Yes. The tool works on any modern browser on Android, iPhone, Windows, Mac and Linux.

Apex Tool Station TeamFree Online Tools

The team behind Apex Tool Station. We build free online tools that run in your browser — no signup, no uploads, no watermarks.

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