Free browser PDF tool

Merge PDF Online Free

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

Multiple PDF inputOne combined PDFBrowser processing

FREE browser PDF tool

Merge PDF

Combine PDFs in the order you upload them.

How to use this tool

  1. 1

    Upload two or more PDFs.

  2. 2

    Keep the upload order.

  3. 3

    Download the merged PDF.

Are PDFs uploaded to a server?

No. This V1 PDF tool runs locally in your browser where technically possible. Cobalt Tools does not upload or store selected files.

Is this PDF tool free?

Yes. The browser PDF tools on Cobalt Tools are free to use.

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