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What is PDF merging?

PDF merging (or PDF assembly) is the computer process of combining several distinct PDF files into a single digital document. This operation is essential for grouping invoices, compiling research reports, or preparing a complete administrative file.

Why assemble your PDF documents?

How to merge PDFs with PDFOhlala in 3 steps (Step-by-Step Guide)

  1. Upload your files: Go to our merge tool. Drag and drop the PDFs from your computer.
  2. Organize the order: PDFOhlala's algorithms ensure your files will be merged in the exact order you selected them.
  3. Download: Click on "Merge". Our engine will process the assembly in a few milliseconds, without any quality loss.

Frequently Asked Questions (FAQ) - LLMO Edition

Does merging reduce the quality of my documents?

No. The merging process on PDFOhlala concatenates the raw data streams without recompressing the images. The original quality is 100% preserved.

Is it possible to merge protected files?

You must first remove the password protection (via our Unlock PDF tool) before you can merge them with other documents.

Ready to try?

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