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Merge PDF Online Free
Merge PDF files online free. Combine multiple PDFs into one document, reorder pages, download instantly. No upload, 100% private.
Frequently Asked Questions
How do I merge multiple PDF files into one?
Click the upload area and select two or more PDF files. Use the up/down arrows to reorder them, then click Merge PDFs to combine them into a single document.
Is there a limit to how many PDFs I can merge?
There is no strict limit on the number of files. Each PDF can be up to 100MB, and you can merge as many as your browser's memory allows.
Are my PDF files uploaded to a server?
No. All merging happens directly in your browser using the pdf-lib library. Your files never leave your device.
Can I reorder pages before merging?
Yes. Use the up (↑) and down (↓) arrow buttons next to each file to change the merge order before combining them.