pdf Tool · Free

Merge PDF Files Online Free

Merge PDF files online free. Combine multiple PDFs into one document. Drag to reorder before merging. No upload, instant download, 100% private.

Drop PDF files to merge

Upload 2 or more PDFs

.pdf · Max 100MB · Up to 20 files

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🔒100% Private: Your files are processed entirely in your browser and never uploaded to any server.

Frequently Asked Questions

How many PDFs can I merge?

You can merge up to 20 PDF files at once.

Can I set the order of pages?

Yes! Drag the PDF files into your desired order before clicking Merge.

Is there a file size limit?

Each individual PDF can be up to 100MB.

Will the merged PDF quality change?

No — pages are copied exactly without re-encoding. Quality is preserved.

Is it free?

Yes, completely free with no sign-up required.