ToolBox

Free PDF Merger Online

Merge multiple PDF files into one document. Drag and drop to reorder pages. Fast, free, and completely private — your PDFs never leave your browser.

Files never uploaded
Instant processing
100% free

Frequently Asked Questions

How many PDFs can I merge at once?
You can merge as many PDFs as you want. There is no limit on the number of files.
Will merging affect the quality of my PDFs?
No. The merging process preserves the original quality of all pages, including text, images, and formatting.
Are my PDF files uploaded to a server?
No. All processing happens entirely in your browser using the pdf-lib library. Your files never leave your device.
Can I reorder pages before merging?
Yes! You can drag files to reorder them, or use the arrow buttons to move files up and down in the list.

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