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Utilities

Merge PDFs Documentation

Use the free Merge PDFs →

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

What does it do?

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

How does it work?

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.

When to use it
  • 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.
Inputs and outputs
Input
Text, files, or values entered in the browser, depending on the tool.
Output
A result shown in the browser that can be reviewed or copied where supported.
Limitations
  • Results depend on the input, browser, network, and external service involved.
  • This tool is informational and does not replace specialist diagnostics.
Privacy and data handling

Inputs for this browser-side tool are processed locally and are not sent to SiteIndex. Normal page analytics may still be collected as described in the Privacy Policy. Read the Privacy Policy.

How to use it

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

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