PCPDFCraft

Merge PDF Online

Combine multiple PDF files into one document. Upload your PDFs, reorder them by drag-and-drop, and download a single merged PDF. Merge PDF is useful for combining contracts, receipts, scanned forms, assignments, reports, or any documents you want to share as one file.

Quick answer: A PDF merger combines two or more PDF files into one PDF document. Upload PDFs, drag to reorder them, click Merge, and download the combined file.
Drop your PDFs here
Drag and drop, or browse files
Max 50 MB per file · up to 50 PDFs
This tool processes your files directly in your browser. Files are not uploaded to our servers.

How it works

  1. Upload PDFs. Drag two or more PDFs onto the upload area.
  2. Reorder. Drag file cards to set the final order.
  3. Name output. Optionally rename the combined PDF.
  4. Merge. Click Merge PDFs and wait for processing.
  5. Download. Download the merged PDF.

Common use cases

  • Combine contracts and signed addenda into one PDF
  • Bundle scanned receipts into one expense report
  • Assemble a job application packet
  • Combine homework assignments into a single submission
  • Merge invoices for a single billing period

Options explained

Reorder lets you set the page sequence by dragging file cards. Remove lets you take a file out without re-uploading. Rename output sets the filename for the merged PDF. The page order of each input is preserved exactly when merged.

Privacy

Merge PDF runs entirely in your browser. Your PDFs are not uploaded to our servers and the merged file is created locally on your device. When the tab is closed, the files are released from memory.

This tool processes your files directly in your browser. Files are not uploaded to our servers.

Troubleshooting

  • Each PDF must be under 50 MB.
  • You can merge up to 50 PDFs at once.
  • Password-protected PDFs must be unlocked first.
  • If a file is damaged, remove it and try again.

Related PDF tools

Split PDF

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Split a PDF into multiple files.

Reorder Pages

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Reorder pages within a PDF.

Compress PDF

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Reduce PDF file size.

Rotate PDF

organize

Rotate PDF pages.

Frequently asked questions

How do I merge PDF files?

Upload two or more PDFs, drag to reorder, then click Merge to download the combined PDF.

Can I reorder the PDFs before merging?

Yes. Drag file cards to set the order before clicking Merge.

Is the Merge PDF tool free?

Yes. It is free for any combined upload up to 100 MB.

Are my files private?

Yes. Merging happens in your browser. Files do not leave your device.

What is the maximum number of PDFs I can merge?

You can merge up to 50 PDFs at once.

Does merging preserve the original pages?

Yes. The page order within each input PDF is preserved exactly.

Can I merge password-protected PDFs?

Password-protected PDFs must be unlocked first. We do not bypass passwords.

Definition: Merge PDF means combining two or more PDF files into a single PDF file.

Technical notes: This tool runs in your browser using JavaScript. PDFCraft does not upload your files to a server for this tool.

Last updated: 2026-06-08

More tools: See all PDF tools.