PDkefMerge PDFOn-device

Merge PDF Online Free: Combine Files in Your Browser

Combine multiple PDFs into a single document, reorder pages by drag-and-drop, and optionally add page numbers before you export.

Star us on GitHubMIT licensedRuns in your browser

Drop PDFs here

Private. Files never leave your device.

Replace this file?

Choosing another file closes 0 PDFs and discards the work you have done here. That can’t be undone.

Clear all files?

This empties the list of 0 PDFs and the order you put it in. Nothing is removed from your device.

How it works

How to merge PDF files online for free

Combine multiple PDFs into one, right in your browser. No upload, no server. Your files never leave your device.

  1. Add your PDFs. Select or drag-and-drop the files you want to combine.
  2. Reorder them. Sort by name or date, or drag files into the order you want.
  3. Merge and download. Check "Add page numbers" if you want sequential numbers, then click Merge PDFs and save your combined file.

Free for everyone

Combine as many PDFs as you like, in any order, with no watermark and no page limits. Because merging runs on your device, there's nothing to upload and no usage to ration.

It's open source under the MIT license, so anyone can read the code, fork it on GitHub, or share it. Simple PDF tools should be free for everyone.

Got questions?

Frequently asked questions

Is PDkef really free?

Yes. PDkef is completely free, with no limits, no signup, and no watermark on your merged PDF.

Are my files uploaded to a server?

No. PDkef runs entirely in your browser. Your PDF files are never sent over the network - they stay on your device the entire time.

Does PDkef work on mobile?

Yes. PDkef works in Chrome on Android and iOS, as well as desktop browsers on macOS and Windows.

Is there a file size or page limit?

No artificial limit is imposed by PDkef. The only constraint is your device's available memory, since merging happens locally.

Can I combine scanned receipts or reports into one PDF?

Yes - this is one of the most common uses. Add each scanned page or report PDF, reorder them, and merge into a single file for an expense report, portfolio, or ebook.

Same suite

More PDF tools

Every one of these runs on your device, free, with nothing uploaded.