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PDF Merge

Combine multiple PDF files into one document easily and securely

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Merge PDF Files

Combine multiple PDF files into one document.

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PDFs Merged Successfully!

Your files have been combined into a single PDF.

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Merge PDF Files Online for Free

Effortlessly merge PDF online with SpacePDF’s free and intuitive tool. Combine multiple PDF documents into a single, cohesive file right from your web browser, securely and without any installations. Our service simplifies document management, allowing you to organize your files with ease and efficiency.

Screenshot of SpacePDF's online PDF merger interface showing documents combining.

Why Use SpacePDF’s Merge PDF Online Tool?

How to Merge PDF Files Online

Time needed: 1 minute

Our intuitive online PDF combiner makes it simple to merge your PDF documents. Follow these straightforward steps to combine your files accurately:

  1. Upload Your PDF Documents

    Click the “Select PDF File” button to choose multiple PDFs, or simply drag and drop them into the designated area. You can upload files one by one or select them all at once.Uploading multiple PDF files for online merging

  2. Arrange Pages in Order

    Once uploaded, you’ll see thumbnails of all your PDF pages. Drag and drop the pages or entire documents to arrange them in your desired order for the final merged PDF.Arranging PDF pages order before merging them online

  3. Merge Your Files

    After arranging your documents, click the prominent “Merge PDF” button. The tool will quickly process your request and combine all the selected PDFs into a single file.Clicking the "Merge PDF" button to combine documents online

  4. Download Combined PDF

    Once processing is complete, your newly merged PDF will be ready. Click the “Download PDF” button to save the combined file to your device. Your original files remain untouched.Successfully downloading the merged PDF file from the online tool

Infographic illustrating the process to merge PDF online efficiently.

Common Uses for Merging PDF Documents

The SpacePDF Advantage: Security and Privacy

At SpacePDF, your privacy and data security are our top priorities. When you use our merge PDF online tool, your documents are processed entirely within your web browser. This means your sensitive PDF files are never uploaded to our servers. Your data remains on your device, ensuring maximum confidentiality and peace of mind. We are committed to providing powerful tools without compromising your security.

Is SpacePDF’s Merge PDF online tool completely free to use?

Yes, our Merge PDF online tool is 100% free to use. There are no hidden costs, subscriptions, or limitations on usage. You can combine PDF files as often as you need without any charges.

Do I need to install any software to combine PDF files?

No, SpacePDF’s PDF merger tool is entirely web-based. It runs directly in your browser, so you don’t need to download or install any software. Access it from any device with an internet connection.

How secure are my files when I merge PDF online?

Your privacy is paramount. All file processing, including merging PDF documents, occurs locally in your browser. Your PDF files are never uploaded to our servers, ensuring your data remains private and confidential throughout the process.

Can I reorder pages before merging PDF documents?

Absolutely. Our tool allows you to easily drag and drop pages or entire documents to arrange them in your desired order before you combine PDF files. This gives you full control over the final sequence.

Is there a file size limit for merging PDFs?

Our online PDF merger supports PDF files of any size for combining, making it suitable for all your standard and large documents.

What if my PDF has a password or is encrypted?

Currently, SpacePDF’s online PDF merger does not support password-protected or encrypted PDF files directly. Please ensure your PDFs are unlocked before attempting to combine them.

SpacePDF offers a comprehensive suite of free PDF tools designed to simplify your document management tasks. Beyond merging PDFs, explore our other helpful tools like Crop PDF, Remove PDF Pages, PDF Organizer, and Sign PDF. You can also Rotate PDF pages or convert formats with our PDF to JPG and JPG to PDF tools. To delve deeper into the technical specifications of the Portable Document Format, you can visit the official Adobe PDF information page or read its detailed history on Wikipedia. We are committed to providing secure, efficient, and user-friendly solutions for all your PDF needs.