Can I change the order of files?

Yes. Use the up and down arrows next to each file to reorder them before merging.

Are my PDF files uploaded?

No. PDF merging runs in your browser and the files stay on your device.

Can I merge password-protected PDFs?

Encrypted PDFs that the browser library cannot open cannot be merged; remove protection only when you are authorized to do so.

UtilitiesReady to use

Merge PDFs

Merge PDF files locally in your browser; the selected files are not uploaded to SiteIndex.

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Interactive workspace

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Merge PDFs

Combine multiple PDF files in the order selected. Files stay in your browser.

How to use it

Select the PDF files you want to combine.
Reorder the selected files into the final document sequence.
Review the file list and merge the PDFs.
Download the combined file after processing completes.

What is Merge PDFs?

Combine multiple PDF files into one document locally in your browser.

How it works

SiteIndex merges the PDFs you choose, in the order shown. Use the up/down arrows to reorder files before merging, and check the combined input size estimate first.

Common uses

Combine multiple scanned documents into one file.
Reorder chapters or sections before merging into a final PDF.
Merge invoices or reports into a single document to share.

Limitations

Results depend on the browser, network, input, and external service involved.
This tool is informational and does not replace specialist diagnostics or professional advice.

Frequently asked questions

Can I change the order of files?: Yes. Use the up and down arrows next to each file to reorder them before merging.
Are my PDF files uploaded?: No. PDF merging runs in your browser and the files stay on your device.
Can I merge password-protected PDFs?: Encrypted PDFs that the browser library cannot open cannot be merged; remove protection only when you are authorized to do so.