Merge PDF Files

Combine multiple PDF files into a single document. Upload, arrange, and merge. All processing is local.

Runs in your browser · No uploads
📄

Drop a PDF or click to browse

Upload a PDF file to process

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Frequently Asked Questions

Is there a limit on file size or number of files?

No. You can merge as many PDFs as you want. Since all processing happens locally, there are no file size restrictions.

Are my PDFs uploaded to a server?

No. All processing happens in your browser using the pdf-lib library. Your documents never leave your device.

Can I rearrange the order of pages?

Currently, files are merged in the order you upload them. For more control, consider the page reorder tool.