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Merge PDF Files
Combine multiple PDF files into one document, in the order you choose. Free, no watermark, and files never leave your browser.
How to use this tool
- 1Choose your file(s).
- 2Set the options (pages, rotation, order).
- 3Click Process & download β the result downloads instantly.
Frequently asked questions
Is there a file size or page limit?+
No hard limit β merging happens in your browser's memory, so very large files are only limited by your device. Typical documents merge in seconds.
Are my files uploaded to a server?+
No. All PDF processing happens locally in your browser using JavaScript β your documents never leave your device, which makes this safe for confidential files.
Is my data private?+
Yes. The tool runs entirely in your browser β nothing you paste or type is uploaded to a server.
Learn more
- How to merge pdf on any device
- Merge PDF Files: step-by-step
- Is it safe to merge pdf online?