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Merge PDF

Combine multiple PDF files into one, in the order you choose.

Add two or more PDFs, arrange them with the up/down arrows, then click Merge. Everything happens in your browser — your files are never uploaded.

Part of the Toolz collection — free browser-based utilities.
UNDERSTAND YOUR RESULTS

Merge PDF guide

Merge PDF: Add two or more PDFs, arrange them with the up/down arrows, then merge and download the combined file.

How to use this tool

  1. Add two or more PDFs, arrange them with the up/down arrows, then merge and download the combined file.
  2. Check the displayed feedback and compare the result with your original input.
  3. Copy or download using the tool’s controls. Keep your original until you have checked the output.

A worked example

Merge a signed form and its supporting documents into a single PDF for email.

How it works

Add two or more PDFs, arrange them with the up/down arrows, then merge and download the combined file.

Frequently asked questions

What should I check before using the output?

Merging copies pages as they are; it does not OCR or make scanned text searchable. Very large files are limited by browser memory, and password-protected PDFs may fail to open.

What if a file or action is unsupported?

Check the input format and any visible error, try a smaller test case, and confirm the browser supports the required feature. Do not treat an empty output as a successful result.