Merge PDF

Combine multiple PDF files into one document. Drag and drop to reorder. Free and browser-based.

100% private — files never leave your device
Free — no sign up, no watermark

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How to Use Merge PDF

  1. Upload two or more PDF files by dragging them into the upload area
  2. Drag to reorder the files if needed
  3. Click Process to merge all PDFs into one
  4. Download the merged PDF

Features

  • Combine multiple PDF files into a single document
  • Preserves all pages, bookmarks, and formatting
  • No file size limits — processed entirely in your browser
  • 100% private — PDF files never leave your device

Frequently Asked Questions

How do I merge PDF files?
Upload two or more PDF files, arrange them in the order you want, and click Process. The tool combines all pages from all files into a single PDF.
Is there a limit on the number of PDFs?
No hard limit. You can merge as many PDFs as your browser can handle. Each file is processed locally — no server upload.
Does merging PDFs affect quality?
No. The tool copies pages directly from the source PDFs without re-encoding. All text, images, and formatting are preserved exactly.
Is my data private?
Yes. All processing happens in your browser using JavaScript. Your PDF files are never uploaded to any server.