Edit PDF
1.1 PDF Editor
1.2 Merge PDF
1.3 Split PDF Pages
1.4 Convert PNG to PDF
1.5 Convert GIF to PDF

How to Merge PDF Files for Free

If you have many PDF files and do not know how to merge them into one, maybe you need a PDF merger to help you merge PDF files.

We will introduce 3 free PDF mergers to you in this article. With this PDF mergers, you will be able to merge many PDF files into one conveniently.

Read this article, and you will find the best way to merge PDF files for better management.

How to Merge PDF Files

Part 1. How to free merge PDF files on Windows 10/8/7 without Acrobat

Aiseesoft Free PDF Merger is an easy PDF merger which is special designed for users to merge several PDF files into one. With PDF Merger, you are able to merge many PDF files into one or merge many parts in a PDF file into a new PDF file with high speed. Below are detailed steps of PDF Merger.

Step 1 Install PDF Merger on your computer

Click the link above to download PDF Merger, and then install it on your computer. After installing, please launch it for ready use.

Guide Screen

Step 2Upload PDF files

After launching the merger, click "Add File" to upload the PDF files you want to merge. You can upload several PDF files on it to merge them into one.

Add PDF files

Step 3 Select destination folder and set file name

After adding PDF files on it, you can click "File Name" to set the file's name. And click "Destination Folder" to choose the location to save merged PDF file.

Step 4 Start to merge PDF files

After setting, click "Merge" to start merge your PDF files into one.

Just wait a few seconds, and you will finish the merger from several PDF files to one.

Want to merge the selected pages freely? Just split PDF files firstly, and then combine what you want exactly.

PDF Converter UltimateFor Mac

Part 2. How to free combine PDF files on Mac (Selected pages)

Preview is the free built-in tool on Mac, which lets you preview and edit PDF files and images. With it, you can easily combine two PDF files, or merge selected pages of PDF into another one PDF file.

How to combine two PDF files

Step 1. Open a PDF in Preview > "View" > "Thumbnails" to show page thumbnails in the sidebar.

Step 2. To navigate the PDF page thumbnail where you want to add the other PDF file > "Edit" > "Insert" > "Page from File,*" > Select the PDF file that you want to insert, then click "Open".

Step 3. Choose "File" > "Export as PDF" to save the merged PDF files on your Mac.

How to join a PDF with another PDF with selected pages

If you only want to merge several pages into another PDF file, then this method is what you need.

Step 1. Open the PDF files in Preview, and choose "View" > "Thumbnails to show page thumbnails in the sidebar separately.

Step 2. Select the page thumbnail that you want to add to the other document > Drag the selected PDF thumbnail into the sidebar of the other PDF, and then release where you want them to appear.

Step 3. Choose "File" > "Export as PDF" to save the merged PDF files on your Mac.

Merge PDF files on Mac

Merge PDF files on Mac (Image from Apple)


1. If you want to insert several pages into the other PDF file, just press and hold the Command key, and then let go of Command.

2. If your Mac is running macOS Sierra or earlier, just rag the thumbnails directly into a thumbnail in the other PDF.

Part 3. How to free merge PDF files online with PDF binder

Above introduces a professional merger to help you merge PDF files into one, here we will introduce an online PDF merger to you. There are many online PDF mergers like CombinePDF, iLovePDF, SmallPDF, etc. We will mainly introduce the steps on PDFfiller for you. Below are the detailed steps.

Online Merger

Step 1 Open your computer and get into PDFfiller. Then click "Browse for Document on Your Computer" to upload you PDF files.

Step 2 Click "Merge" to merge your PDF files into one.

After clicking merging, you may need to wait several minutes to finish the merger from several PDF files to one.

Although online PDF merger can also help you to merge PDF files, it will take a long time to merge. PDF Merger may be a better chooses for you.


This page shares 3 free ways to help you merge PDF files without Acrobat Reader. You can easily combine PDF files on Windows, Mac and online.

Now it is your turn.

Have you successfully merge the PDF files in the above 3 ways? If not, just tell your trouble in the comments, and we will help you ASAP.

What do you think of this post?


Rating: 4.8 / 5 (based on 153 ratings)

author picture

February 21, 2019 16:20 / Updated by to PDF

Disqus IconLeave your comment and join our discussion