Private by design

Merge PDF Files

Combine multiple PDF files into one document in the order you choose — instantly in your browser, nothing is uploaded.

Options

Add at least 2 files.

Your history 0 saved

Stored only in this browser (last 50 jobs). Nobody else can see it.
Work in progress

Your files are still being processed.

Side-by-side comparison
Original
Result

How to use

  1. Add your PDF files — drag and drop, click to browse, or paste.
  2. Put the files in the order you want using the arrows or the drag handle.
  3. Press “Merge” and download each result, or everything at once as a ZIP.

Formats & privacy

Input: PDF

Output: PDF

Files are processed on your device whenever your browser can do the job. A file only reaches our server when it is too large or needs a codec the browser lacks. Read the privacy details.

Frequently asked questions

Is Merge PDF Files free?

Yes. Merge PDF Files is free to use, with no sign-up, no watermark and no daily limit.

Are my files uploaded?

Usually not. Processing happens on your device in the browser. Only when your browser cannot handle a file (for example, a very large one) is it sent to our server, processed, and deleted automatically within 30 minutes.

Which formats are supported?

Input: PDF. Output: PDF.

Is there a file size limit?

Files up to 300 MB are processed on your device. Larger files are handled by our server when it is available.