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Merge PDF
Combine multiple PDFs into one file. Drag to reorder pages before merging — everything happens in your browser.
Drop your files here
or browse files
Why use PDFConverter to merge PDFs?
Fully private
Merging happens entirely in your browser. Your files never touch our servers.
Drag to reorder
Reorder documents by dragging before you merge — see the exact output order before committing.
Preview before download
A thumbnail preview of the first page of your merged PDF appears before you download.
Frequently asked questions
- There is no hard limit — you can merge as many PDFs as your browser can handle. For best performance we recommend under 50 files per batch.
- Yes. pdf-lib copies all page content including internal links. External hyperlinks are preserved as-is.
- Never. All merging happens inside your browser using WebAssembly. Your files do not leave your device.
- Yes — drag the handle on the left of any file row to reorder the documents before clicking Merge.