How many PDFs can I merge at once?

You can merge as many PDFs as you want. The process happens in your browser, so very large files may take longer.

Will merging affect the quality?

No, merging PDFs is lossless. All content, formatting, and quality are preserved exactly as in the original files.

Yes, all processing happens locally in your browser. Your files are never uploaded to any server.

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What is Merge PDF?

Merge multiple PDF files into one document online. Combine, join, and organize PDFs easily with drag and drop. Free, secure, and no registration required. Our free online tool makes it easy to combine multiple pdf files into one without installing any software. Simply use your browser to get started instantly.