Top 5 PDF Mergers of 2023

Most users whose activities are connected with digital documents have had to deal with PDF files in one way or another. Often there is a need to use a PDF merger in order to gather documents into one file for more convenient file sharing. However, not all programs can do this work efficiently and safely.

In this article, we will tell you about the best PDF mergers that you can use to combine PDF documents into one.

1. Icecream PDF Split & Merge - universal PDF merger and splitter

Merge PDF mode of Icecream PDF Split & Merge

(Icecream PDF Split & Merge](/PDF-Split-and-Merge/) has been designed for both professionals and hobbyists with little PDF experience. This is due to the presence of basic functions for joining PDF files, as well as a simple and convenient interface that everyone will understand. Use this PDF merger to combine PDF files, select specific pages for merging, set the password for the created files if needed. It's also possible to set file permissions (Editing, Printing, Copying).


  • Simple and convenient interface;
  • Fast processing of even large files;
  • PDF merger software is available in 50+ languages;
  • Works with password-protected files;
  • Doesn't watermark the created document;
  • Preview the files before you combine PDF.

2. PDF24 Tools - online service to merge PDF and more

PDF24 tools PDF merger

This is a basic PDF combiner that you can use in any browser. Basically, you can sort the uploaded files and preview and open PDF in the queue. Not much, but sufficient for a quick PDF joining. The process is very intuitive and you can send the created document by email or upload it to cloud services. All-in-all, it's a great free online PDF merger for occasional work.


  • Convenient PDF merging;
  • You can not only combine PDF, but can use other available tools;
  • High data processing speed.


  • Some options are only available when purchasing the PRO version;
  • PDF merger that relies on the Internet connection;
  • Not an option if you work with large files;
  • Requires uploading confidential files to the website.

Try PDF24 Tools ->

3. Sejda PDF Desktop - PDF combiner for Windows, Mac and Linux

The software has a wide range of features allowing to merge PDF files into a single document. Furthermore, the utility has many additional tools. These are compression, conversion, watermark creation and many other useful options. There is also a built-in PDF editor for processing documents.

However, despite all the positive aspects, the free version of the program has some limitations. This is the inability to process documents over 200 pages and larger than 50 MB. Also, you can do 3 tasks per day.


  • PDF merger with user-friendly interface;
  • Fast loading even on old PCs and laptops;
  • High speed of data conversion and processing;
  • Cross-platform tool to join PDF.


  • The free version has limited in features.

Download Sejda PDF Desktop ->

4. PDFsam Basic - open source and completely free PDF merger

This application allows you to quickly combine PDF files into a single document. However, this function is only available after user registration. The program also has a rather large set of tools to work with PDFs. It is capable of splitting, compressing, and rotating PDF documents. In addition, it is possible to export graphical objects from PDF.

The interface is not overloaded and very neat. In addition to this, you can use this PDF merger on Windows, macOS and Linux.


  • Pleasant to work with interface;
  • Wide possibilities and flexible settings even in the free version;
  • Does not require great PC performance.


  • Some features are not available in the Basic version of the free PDF merger.

PDFsam Basic website ->

5. Infix PDF Editor - PDF merger worth trying

A fairly easy-to-use PDF combiner that allows you to merge PDF files into a one document. To do this, all you have to do is to download and install the free version on your computer. The program has the ability to set protection, add text content and graphical objects, and convert PDF files into other formats.

The software has a user-friendly interface that is a pleasure to work with. However, some features are not available in the free version. Also, all documents processed in this PDF merger are watermarked, which can subsequently cause certain difficulties for users.


  • Simple and intuitive interface;
  • Fast processing even for heavy files.


  • The free version has a limited toolbox;
  • Inserts a watermark into the final file.

Check Infix PDF Editor ->


Today we have reviewed the best PDF mergers in our opinion. Of course, the choice of the software is up to the user based on the tasks at hand and the functionality of the program. If you're working with large or confidential files - go with software. If you're looking for a one-time job then opt for an online PDF merger.

author by Alexa Davis

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