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Merge PDF

Combine PDF files to create a single document online for free. It’s easy to merge PDFs with our PDF combiner. No watermarks and no file size limits.

  • Merge multiple PDFs into one in seconds.
  • Drag & drop your PDFs to start—easy!
  • Works on Mac, Windows, Android, and iOS.
Simple Online Tool To Combine PDFs
Merge PDF allows you to quickly combine multiple PDF files into one single document. All it takes is a drag, a drop, and a few clicks. The PDF Merger is free to use; you don't even need to register for an account.
Secure PDF Merging Online
All the files you upload, as well as the file generated on our servers, are processed through TLS encryption, and are deleted permanently within an hour. Read our privacy policy for more details.
Works on Windows, Mac, & Linux
Our PDF combiner is browser-based. This means that it doesn't matter whether you're a Mac, Windows, or Linux user or visit us using your mobile device. You can freely merge your files with Smallpdf.
Easy PDF-Combining With a Preview
When you upload your PDFs into Merge PDF, we'll provide you with a preview function. There, you can rearrange or delete single pages and files. You can also add more PDFs here to combine.
Merge PDFs Reliably
You don't have to buy expensive software to combine PDF files. Smallpdf is free to use online, while employing the highest security standards, such as TLS encryption, to ensure the safety of your files and data at all times.
Processing in the Cloud
A key benefit of our online service is that all PDF merging happens in the cloud—that means that the process doesn't drain capacity from your computer, and you can access us from anywhere, anytime.

How To Merge PDF Files Online:

  1. Import or drag & drop your PDF files to our merger.
  2. Add additional PDFs, images, or other file types as needed.
  3. Reorder documents and adjust orientation if desired.
  4. Click “Finish” to merge your documents.
  5. Download or share your merged PDF when ready—done!
Rate this tool
4.8 / 5 - 692,685 votes