Upload Files

Drag and drop PDF files here
or Browse Files
Support PDF files up to 100MB

Merge your PDF files quickly and easily online into a single, professional document

Our user-friendly and fast PDF merger is free and adds no watermarks

Merge multiple PDFs into a single file in seconds

Works online on any device and operating system

100% privacy - files never leave your browser

Simple Online Tool to Combine PDFs

With our Merge PDF tool, combining multiple files into one document is quick and effortless. Simply upload your PDFs, arrange them in the desired order, and our tool takes care of the rest. It's free to use, with no hidden steps, and no registration needed.

Secure & Private PDF Merging

Your privacy is our top priority. All PDF processing happens locally in your browser using client-side technology. Your uploaded files are never uploaded to any server—they stay on your device, ensuring complete privacy and security.

Works on Any Device

Merge multiple PDFs easily right from your web browser—no downloads or installations required. Combine PDF documents seamlessly on Mac, Windows, Linux, or mobile devices. Our responsive design ensures a smooth experience on any screen size.

Preview and Organize with Thumbnails

Upload your PDFs, and we'll show you a preview of all pages. Drag and drop files to rearrange them into the desired order, delete what you don't need, or add more files before merging. It's quick, simple, and fully customizable to suit your needs.

Reliable PDF Merging

Say goodbye to expensive software—our PDF merger is free, simple, and secure. Your files are processed using industry-standard PDF libraries, so you can merge PDFs into a single file confidently, knowing your data stays safe and private.

Browser-Based Processing

Our online PDF merger processes files entirely in your browser, saving server resources and giving you the freedom to merge PDFs from anywhere, anytime. No internet connection required after initial page load, making it perfect for offline use.

How to Merge PDF Files Online for Free

  1. 1

    Drag & drop your PDF files into our free PDF Merger at the top of this page

  2. 2

    Add extra files if needed by clicking the 'Add' button or dragging more files

  3. 3

    Rearrange files by dragging them to the desired position in the list

  4. 4

    Preview all pages using the 'Pages' view to ensure everything is correct

  5. 5

    Hit 'Finish' to combine your files into a single PDF

  6. 6

    Download your merged file instantly—done!

Merge PDF FAQs

What file formats are supported for merging?

We currently support PDF files only. You can combine multiple PDF documents into a single file with our tool.

Is it possible to reorder files before merging?

Yes! You can drag and drop files in the list to reorder them, or use the up/down arrow buttons to adjust the position. The order you see is the order they'll be merged.

How can I preview pages before merging?

Click on the 'Pages' tab to switch to page view mode. You'll see thumbnails of all pages from all files, allowing you to preview the entire merged document before processing.

Are my files safe and private?

Absolutely! All processing happens locally in your browser. Your files never leave your device and are never uploaded to any server. We take privacy and security seriously.

Is there a file size limit?

We recommend keeping individual files under 100MB and the total size under 200MB for optimal performance. Larger files may take longer to process but are still supported.

Can I merge PDFs offline?

Yes! After the initial page load, all processing happens locally in your browser. You can merge PDFs even without an active internet connection, making it perfect for offline use.