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Merge PDF

Easily merge multiple PDF files into one document. Simply upload your files, arrange them in the order you want, and download the combined PDF instantly.

Processed locally — we don't upload your files
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Frequently Asked Questions

You can merge as many PDFs as your browser can handle. We recommend keeping it under 20 files or 100MB total for best performance.
Yes! The merge process preserves 100% of the original quality, formatting, and metadata.
No. All processing happens locally in your browser. Your files never leave your device.
Yes, you can drag and drop to reorder files before merging them.

Merging PDF files is one of the most common document management tasks. Whether you need to combine reports, contracts, or presentations into a single file, our free online PDF merger makes it effortless. Unlike other tools that upload your files to remote servers, PDFHub processes everything directly in your browser. Your documents never leave your device, ensuring complete privacy and security. Simply drag and drop your PDF files, arrange them in any order, and click merge. The combined PDF is generated instantly on your machine using advanced client-side technology. This tool supports PDFs of all sizes and preserves the original formatting, bookmarks, and metadata of your documents. Perfect for students combining research papers, professionals merging business documents, or anyone who needs to organize multiple PDFs into one cohesive file. No sign-up required, no file size limits for reasonable documents, and completely free to use.

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