Merge PDF
Combine multiple PDF files into one in your browser — nothing is uploaded.
Selected files
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Merge PDFs online for free
Select two or more PDF files and they are combined into a single document, right in your browser. No upload, no account, no server — your files never leave your device, making this tool safe for confidential documents.
Pages appear in the order you select your files. Download the merged PDF with one click.
FAQ
Are my PDFs uploaded anywhere? No — everything happens locally in your browser using pdf-lib.
Is there a file size limit? Only your browser’s memory. Most modern browsers handle hundreds of megabytes without issue.