PDF Merger

Merge PDF Files
Online Free

Combine multiple PDF files into a single document. Add as many PDFs as you need, drag to reorder, then merge instantly. Zero uploads.

No Upload
Unlimited Files
Drag to Reorder
Private

Merge PDF Files

Combine multiple PDFs into one — drag to reorder before merging

Add PDF Files (select multiple)
Drop PDF files or click to select
Select multiple PDF files — they will be merged in order
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PDFs are merged in the order shown above. All processing is done locally in your browser — nothing is uploaded to any server.
Merging...
FAQ

Frequently Asked Questions

There is no artificial limit. You can merge as many PDFs as your browser RAM allows. The tool has been tested with 50+ PDF files.
Yes. Drag and drop the PDF entries to reorder them before clicking Merge.
Page content and formatting are fully preserved. Internal bookmarks may be merged depending on PDF structure.
PDFs with open passwords need to be unlocked first using our Unlock PDF tool. PDFs with only permission restrictions can be merged directly.