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PDF Tools1 formats supported

Free online PDF merger

Use this free online PDF merger to combine PDF files in your browser. Reorder pages, merge documents, and download one file without uploading PDFs to a remote server.

  • Merge unlimited PDFs
  • Drag-to-reorder files
  • Preserves original quality

Supported formats

PDF

Drop PDF files here

Select multiple PDFs to merge

How It Works

A simple three-step flow from upload to download.

  1. 1

    Upload 2 or more PDF files.

  2. 2

    Drag to set the order.

  3. 3

    Merge and download the combined PDF.

Features

Key capabilities surfaced as quick-scan cards.

  • Merge unlimited PDFs

  • Drag-to-reorder files

  • Preserves original quality

  • Browser-native — no upload

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Nearby workflows people often use before or after this pdf tool.

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How to merge PDF files online

  1. 1

    Upload your PDF files

    Choose two or more PDF files from your device or drag them into the merger. The files appear in a list so you can organize them before combining.

  2. 2

    Reorder the documents

    Drag the files into the order you want. This helps when you need to combine invoices, reports, forms, or split exports into one final PDF.

  3. 3

    Merge and download

    Start the merge and download the combined PDF when it is ready. The process runs in your browser, so you can merge PDF files online without sending documents to a remote server.

Understanding the settings

The final PDF follows the order shown in the list, so arranging the files before merging is the most important step. Merging is useful when you want one cleaner document for sharing, printing, or archiving. Because the process runs locally in the browser, it is especially helpful for private documents that you would rather not upload to a third-party service just to combine pages.

Compatibility, privacy, and limitations

Browser and device support

These tools are designed for modern browsers. Actual speed and maximum practical file size depend on device memory, processor speed, and how much media your browser can safely keep in memory during processing.

Format safety

If you are unsure which output to choose, start with broadly compatible formats such as PDF. They are usually the safest fallback for everyday sharing and playback.

Privacy explanation

This document workflow runs in the browser, which is helpful when you are handling scans, forms, invoices, or PDFs that may contain private or business-sensitive information.

Things to keep in mind

  • Very large files can take longer to inspect and process because browsers have less memory headroom than native desktop editors.

Frequently asked questions