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Merge PDF files

Arrange and merge your PDFs in any order with the fastest, most efficient online PDF combiner.

Select PDF files
Choose files from Dropbox
or drop PDF here

Merge several PDFs into a single document online—free, fast, and optimized for performance. No watermarks, no size restrictions—quick, efficient merging.

  • Merge multiple PDF files and confidential

  • Works on Windows, macOS, Linux, and mobile for efficient, cross-device PDF optimization

  • No installation necessary and completely free

Easy Online PDF Combiner
Merge multiple PDF documents into one with a simple drag-and-drop. The process is free, secure, and private—built for optimized workflows.
Secure PDF Merging
All data is transmitted over TLS, protecting files during processing and securely purging them after completion.
Supports Windows, Mac, Linux, and Mobile for optimized PDF workflows.
Across Windows, macOS, Linux, or mobile, access our PDF merging tool optimized for performance. It’s free to use and built with strong security, enabling faster, lighter workflows.
Efficient PDF Optimization Preview – Merge Quickly with a Live Preview
During optimization-enabled merging, view a live preview to streamline ordering, remove pages, and insert optimized files for faster workflows.
Merge PDFs Reliably
No expensive software needed to merge PDFs. Our online tool is free, uses TLS-encrypted processing, and is designed for efficient handling of optimized PDFs.
Processing in the Cloud
No installation needed—PDF optimization is performed in the cloud. Regardless of device or OS, our cloud tool merges PDFs online with fast, efficient performance.

Frequently Asked Questions

Yes. This online Merge PDF tool is free and optimized for performance. You can combine multiple PDFs into one without registration, watermarks, or software installation. Some limits may apply based on file size or usage.

No installation is required. This cloud-based Merge PDF tool runs in your browser, delivering instant, optimized performance across major browsers and devices, including Windows, macOS, Android, and iOS.

Yes. As part of our PDF Optimization approach, your files are protected with secure HTTPS encryption during upload and processing. All uploaded PDFs are automatically deleted from our servers after a short retention window to ensure privacy and support faster, lighter PDF workflows.

Merge PDF

How To Merge PDF Files Online:

A simple, free, step-by-step guide to perform PDF optimization through merging:

  1. Drag and drop files into our optimizer-enabled PDF combiner
  2. Arrange files as you wish
  3. Rotate, remove, or add files to optimize the document structure
  4. Click the Merge PDF button to produce a unified, optimized PDF and download it

This file requires password

Ignore these files
wrong password

Some file(s) requires password

Damaged/Corrupted File

We cannot process corrupted or damaged PDFs. To verify integrity, open the file with any PDF reader; if it fails, restore the file before attempting the optimization pass.

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