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PDF Merge — free online tool

Combine scanned receipts, contracts, or lecture notes in the order you choose—pages never leave your machine during merging.

Keeps drafts on your machine instead of sending contracts to unknown servers.

How to use PDF Merge

  1. Click add files on PDF Merge and select multiple PDFs in the order you want.
  2. Reorder filenames if the UI lists them before merging.
  3. Press merge and wait for pdf-lib to finish in the tab.
  4. Download the combined PDF and open it locally to confirm page sequence.

Practical tips

  • Arrange files in the exact reading order before merging—reordering after needs the PDF Rotate tool.
  • Merging happens in your browser, so confidential contracts never leave your device.
  • Combine scanned receipts into one PDF before attaching to an expense claim.

Limitations

PDF Merge cannot unlock password-protected PDFs or perform OCR on scanned pages. Very large files may fail on low-memory phones; split the job or use a desktop browser.

Privacy & data

No. The file is read in your browser tab and the result is generated locally. Nothing is sent to Webtoolshop servers for in-browser image or PDF tools.

Frequently asked questions about PDF Merge

Is the PDF Merge free on Webtoolshop?

Yes. There is no sign-in and no paywall on this page. We may show advertising on some layouts to cover hosting.

Which browsers work best for the PDF Merge?

Chrome and Firefox handle large local files reliably. Safari may struggle with HEIC or very large PDFs—try a smaller file or switch browsers if the preview never appears.

Why did the PDF Merge fail or look wrong?

Try a smaller file, fewer pasted characters, or an updated browser. Extensions that block scripts or downloads sometimes interfere—test in a private window if results never appear.

Are my files uploaded when I use the PDF Merge?

No. The file is read in your browser tab and the result is generated locally. Nothing is sent to Webtoolshop servers for in-browser image or PDF tools.

PDF Merge

Combine PDFs in order — runs only in your browser (uses pdf-lib via CDN).

Add two or more files. Use Up / Down to set order. Password-protected PDFs are not supported.

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