Merge PDF Files

Combine multiple PDF files into one document instantly. Free, fast, and secure.

Upload your PDF files, arrange them in any order you want, and merge them into a single PDF document. All processing happens in your browser for complete privacy. No file size limits, no signup required.

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Drop PDF files here

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Upload at least 2 PDF files to merge

How It Works

  1. 1
    Upload PDF files

    Click or drag and drop your PDF files. Upload at least 2 files to merge them together.

  2. 2
    Arrange order

    Use arrow buttons to reorder your PDFs. The numbers show the merge order.

  3. 3
    Merge and download

    Click "Merge PDFs" and your combined file will download automatically.

Frequently Asked Questions

How many PDF files can I merge at once?

You can merge as many PDF files as you want. There is no limit to the number of files. All processing happens in your browser, so the only limitation is your device memory.

Is there a file size limit?

No. Since all processing happens in your browser, there are no server-side limits. However, very large files may take longer to process depending on your device capabilities.

Are my PDF files uploaded to a server?

No. All merging happens directly in your browser using JavaScript. Your PDF files never leave your device, ensuring complete privacy and security.

Does this cost anything?

No. This tool is completely free to use with no hidden charges, subscriptions, or signup required. Merge as many PDFs as you need, whenever you need.

Will the quality of my PDFs be preserved?

Yes. The merging process preserves the original quality of all your PDF files. Text, images, and formatting remain exactly as they were in the original documents.

Can I change the order of PDFs before merging?

Yes. Use the up and down arrow buttons next to each file to reorder them. The numbers show the order in which PDFs will be merged. Arrange them however you like before clicking merge.

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