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An all-in-one PDF editing software to create, manage and convert PDF files easily.

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Top 6 Best Free PDF Merger of 2021

Vanessa Chiang updated on Jun 04, 2021 to PDF Editor Tutorials

You may need to combine or merge multiple PDFs in several situations. For example, maybe you've printed several web pages and now need to combine them. Or, maybe you need to send several invoices to the accounting and merging multiple PDF files will be so convenient!

Whatever the reason is, the best free PDF merger tools allow you to merge or join multiple PDF files together easily. The best PDF merger tools make it a simple and straightforward process. In this guide, we have combined a list of the top 6 PDF merger tools for use on desktops or online, and most of them are free. 

Best Free PDF Merger for Desktop

A PDF merger for desktop allows you to download the software and work offline. In addition, you can work with your PDFs and merge or combine them even while you are offline. Here is the list of the top PDF combiners for use on desktops.

EaseUS PDF Editor

Compatibility: Windows 10/8.1/8/7

EaseUS PDF Editor brings you the perfect PDF combiner for use in Windows OS with a striking and easy-to-use interface. Using this powerful PDF merger tool, you can combine two or more PDFs with just a few clicks. 

To merge PDFs, you only need to add the files that you want to combine in this software. Click OK, and this powerful PDF editor tool will do the rest for you. After combining, you can edit the combined PDF with ease. For instance, you can change font size in PDF, customize its color, and make it bold or add an underline to a sentence to emphasize it. 

When you are done, you can save the joined PDF to your computer and send it to others by e-mail conveniently.

EaseUS PDF Editor

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How to Merge PDF with EaseUS PDF Editor

If you want to know the detailed steps to merge several PDF files into one, this post will walk you through that.

Kofax Power PDF

Compatibility: Windows & Mac 

This is another powerful PDF merger tool for both Windows and Mac and creates quite a stir in the market. However, only the standard version is available for use in Mac.

With Kofax Power PDF, you can perform editing, creating, or converting PDFs pretty fast. This saves much time and makes Kofax Power PDF a powerful and convenient PDF joiner tool.

kofax power pdf merger

Pros:

  • High efficiency
  • Easy user interface
  • Network-based collaboration

Cons:

  • The free trial is available with limited features
  • The standard version does not offer cloud connectivity

Download: www.kofax.com/products/power-pdf

PDF Expert

Compatibility: Mac

PDF Expert is a great PDF editing tool for use in Mac. With this powerful and versatile tool, your PDF editing tasks, including PDF merging, are easy as 123. The standout feature of PDF Expert is that you can add selected pages from a PDF instead of the complete PDF files to be merged.

pdf expert free merger

Pros:

  • Combine specific pages of PDFs
  • Add multiple PDF files through batch addition
  • Preview of all PDF pages in thumbnail
  • User-friendly interface

Cons:

  • Lack of OCR support
  • Trackpad signature needs improvement

Download: pdfexpert.com

Adobe Acrobat Pro

Compatibility: Windows & Mac

Adobe created PDF, so it's no wonder that Adobe Acrobat Pro will be among the best PDF editors and merger tools. With a world-leading name in PDF processing, Adobe Acrobat Pro helps you edit, combine, convert, split, compress PDFs with a few simple clicks.

adobe acrobat merger

Pros:

  • Easy to use
  • Add PDF files in bulk
  • Industry-leading technique
  • Come with multiple PDF tools 

Cons:

  • Navigation can be cumbersome at times
  • Reader version lacks some useful tools available in Pro

Download: acrobat.adobe.com/in/en/acrobat/acrobat-pro.html

Best Free PDF Merger for Online Use

An online PDF merger allows you to work anywhere. Of course, you have to get a working internet connection and a reliable browser to merge PDF files. Here are the best PDF combiner tools for online use.

Soda PDF

You can use this excellent PDF merger tool anywhere. To use Soda PDF, you need to choose and upload the PDF files you want to merge from your device or add them from Dropbox or Google Drive. Next, you can adjust the order of the files and then click on "Merge Files" to start the merging process. You can then either download the file, or you'll have the option to share it via email.

soda pdf merger

Pros:

  • Easy to use and free
  • Clean and user-friendly interface
  • Integrate with Google Drive and Dropbox
  • No watermark

Cons:

No page reordering in the free version

It doesn't include PDF encryption

Try: www.sodapdf.com/pdf-merge

PDF24

When you want a 100% free online PDF merger, you can rely on PDF24 to do the job. You can drag and drop PDF files, pages from different files to upload them. It's possible to rotate, delete, or move the pages before combining them. 

pdf24 merger

Pros:

  • 100% free
  • Simple and clean user interface
  • Upload PDF files in bulk
  • No watermark
  • Dropbox and Google Drive integration 

Cons:

  • The document created can only be sent to a valid email address
  • More advanced editing and formatting options are not available

Try: tools.pdf24.org/en/merge-pdf

Conclusion

Merging multiple PDF files is often needed for convenience in sharing, storing, and organizing your important documents. The best PDF mergers, as listed above, will help you merge and edit your PDF documents with ease. 

For Windows, you can choose from EaseUS PDF Editor, Adobe Acrobat Pro, Kofax Power PDF. For Mac, you can choose PDF Expert. And for online use, you can choose from Soda PDF and PDF 24.