Is there a limit to how many PDF files I can merge?

There's no hard cap built into the tool itself; you can merge as many PDFs as your browser and device memory comfortably allow, which is usually well beyond what most people need.

Can I merge PDFs that have different page sizes?

Yes, but pages will keep their original individual sizes in the merged document rather than being resized to match — if consistent sizing matters, check the result before sharing it.

Will merging combine the PDFs' metadata like author or title?

The merged file gets new default metadata rather than carrying over each source file's original metadata; if you need specific metadata preserved, you may need a dedicated PDF editor.

Do I need to install any software to merge PDFs here?

No, merging happens entirely in your browser — there's nothing to download or install, and no account is required.

Home/Document Tools/PDF Merge

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PDF Merge

Combine multiple PDF files into a single document, in the order you choose.

Last updated: 15 August 2026

📁 Click to select PDF files (multiple allowed), or drag & drop them here

How to Use PDF Merge

Upload Multiple PDFs

Choose two or more PDF files you want to combine.

→

Arrange Page Order

Reorder your files to set the sequence they'll appear in the final document.

→

Download the Merged PDF

Download a single PDF combining every page from your uploaded files, in order.

PDF Merge

How to Use PDF Merge

Upload Multiple PDFs

Arrange Page Order

Download the Merged PDF

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How to Merge PDF Files into One Document