Free PDF tool

Merge PDF

Combine multiple PDF files into one clean file directly in your browser.

Private by default

Supported tools keep files in your browser.

One task

Upload, choose options, download.

No account

Use the tool without a login wall.

Private by default. Supported tools process the file in your browser.

How to use it

  1. 1Choose the PDF files you want to combine.
  2. 2Check the order in the file list.
  3. 3Click merge and download the combined PDF.

FAQ

Are my PDFs uploaded to a server?

No. The merge runs in your browser in this version.

Can I merge more than two PDFs?

Yes. Select multiple files and they will be combined in order.

Before you use this tool

When merging is the right operation

Merge PDF appends complete documents in the order shown in the file list. It is useful for joining an invoice with its supporting receipts, assembling several signed sections, or turning monthly reports into one handoff file. It does not blend pages, reconcile page numbers, or remove repeated pages.

Check the upload order before running the tool because that order becomes the final document sequence. Files with different page sizes keep their original dimensions, so a letter-size agreement and an A4 appendix may still look different after they are combined.

  • Use two or more PDF files
  • Review the first and last page at each join
  • Reorder pages separately when needed

Your file never leaves your device

Merge PDF runs entirely in your browser. When you open a file, it is read into the page on your own computer and processed there — it is not uploaded to a server, stored in the cloud, or seen by anyone else. When you are done, the result is generated locally and downloaded straight to your device.

That matters because PDFs so often hold something private: a signed contract, a tax return, an invoice with a client's details, a scan of an ID. Many online PDF services quietly upload your document to process it. Because this tool keeps the work on your machine, you can work with your PDF without handing the file to a third party.

Tips for a clean result

  • Start from the original PDF where you can. Re-exporting from Word or a scanner app usually gives a cleaner file than one that has already been through several tools.
  • Very large files take longer because all the work happens on your device. Closing other heavy browser tabs frees up memory for big documents.
  • Keep a copy of the original until you have checked the output. Because nothing is stored online, the version on your device is the only copy of the result.
  • A modern browser on desktop handles the widest range of PDFs. Most tasks also work on mobile, though precise work is easier on a larger screen.