How many PDFs can I merge?

You can merge multiple files at once. Very large batches are smoother with Pro.

Will the quality change?

No. Pages are combined as-is with no recompression, so quality is preserved.

Yes, merging is free on the web with a generous daily limit.

Merge PDF files into one

Combine several PDFs into a single document in seconds. Add your files, drag to set the order, and download one clean merged PDF. Everything happens in your browser — your documents are never uploaded.

Drop PDFs to merge Combine into one file · on your device · free All options for this tool →

✓ Processed on your device✓ No sign-up to start✓ Free, with Pro for unlimited

How it works

Open Merge PDF and add two or more PDF files.
Drag the files to arrange the order you want.
Click Convert and download the combined PDF.

Frequently asked questions

How many PDFs can I merge?: You can merge multiple files at once. Very large batches are smoother with Pro.
Will the quality change?: No. Pages are combined as-is with no recompression, so quality is preserved.
Is it really free?: Yes, merging is free on the web with a generous daily limit.

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