How many PDF files can I merge at once?

There is no arbitrary limit. You can merge 2, 10, or 50+ PDF files simultaneously depending on your device's memory.

Merge PDF Files Online (100% In-Browser Privacy)

Combine multiple PDF files into one single document in your browser with custom page ordering.

Upload & Arrange PDF Sequence

Drag & drop PDF files to merge, or Browse Files

Select 2 or more PDF files. You can reorder them after uploading.

100% In-Browser Memory (0 Server Uploads)

Features

100% Client-side processing using WebAssembly & pdf-lib (0 bytes uploaded to any server).
Unlimited file size and document count with zero daily quotas.
Custom page sorting and instant sub-second local compilation.

How to Use

1Select and drag multiple PDF files into the drop zone.
2Re-order the files using drag & drop or order buttons to match your desired sequence.
3Click 'Merge & Download PDF' to instantly save your combined document.

Frequently Asked Questions

Yes, 100%! Unlike traditional PDF websites that upload your files to remote servers, DocuPure executes all merging logic purely inside your browser memory. Your documents never leave your computer.

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