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Merge PDF: How to Combine PDF Files Effortlessly?

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Combining PDFs into one can save you space while enhancing accessibility and convenience. Yet, every tool you try either messes up the formatting, limits the file size, or worse, crashes midway through the process, leaving you in a digital mess.

So, how to combine PDF files into one without losing quality? Find out various tools and methods here to combine PDF files into a single document.

 

Part 1. How to Combine PDF Files into One on Windows with Coolmuster PDF Merger

Coolmuster PDF Merger is a widely trusted and used PDF file combiner that can combine PDF files into a single document without losing quality. With this PDF merger, you can combine files into PDF for free on your Windows computer. It is compatible with Windows 11, 10, 8, and 7.

Key Features:

  • Combine PDF pages and files into one document effortlessly.
  • Support batch PDF combining.
  • Preserve the file's original layout, text, and hyperlinks while combining PDF pages and files.
  • Arrange the PDF files in any order you choose.
  • Preview and alter PDF files before combining.
  • Combine PDF files fast, saving you time and energy.

Here is how to combine PDF files using Coolmuster PDF Merger:

01Download, install, and launch Coolmuster PDF Merger.

02Click Add File on the top left to upload the PDF files you want to combine.

import all the PDF files you want to merge into the program

03Tick the boxes to select the PDF files you want to combine from the uploaded ones. Hit the three-dotted menu button below the Output Folder on the right to set the destination folder.

select the target pdf files and customize output settings

04Click Start to begin combining PDF files. Coolmuster PDF Merger combines multiple PDF files into one in a few seconds to minutes, depending on the size and number of PDF files you want to combine.

how to combine pdf files using coolmuster pdf merger

Part 2. How to Merge PDF Files on Mac with Preview

Preview is a built-in MacOS application for image and file viewing. It also has PDF combining features and capabilities. Here is how to combine PDF files on Mac using Preview:

Step 1. Launch the Preview app, then open the PDF files you want to merge.

Step 2. In each open file, click View, then Thumbnails to show the page thumbnails in the sidebar.

Step 3. Drag the thumbnails you wish to add to the sidebar in the other PDF file. Then, command-click to choose nonadjacent thumbnails.

combine pdfs with preview

Part 3. How to Combine PDF Documents Online

The internet is home to thousands of productivity apps and websites that don't require external downloads. You can leverage the power of an online PDF file merger to combine PDF files into a single document in the comfort of your web browser. Online PDF mergers require an active internet connection to combine PDF files. This section discusses how to combine documents into one PDF using online mergers.

Method 1. How to Combine PDF Files with PDF2go

PDF2go is a free online file combiner that is cost-free and easy to navigate and use. By using this merger, you can combine PDF pages and files without wasting hard drive space, eliminating the fear of malware and viruses common in select downloadable mergers. How do I combine PDF files with PDF2go?

Here are the steps:

Step 1. Access PDF2go online file merger.

Step 2. Drag and drop your files onto the interface. Alternatively, click Choose File to upload the PDFs you want to combine.

select pdf files to merge

Step 3. Rearrange your PDF files in the manner you choose.

Step 4. On the top left of the page, click Save as to set the output file's destination and merging settings.

combine pdf files with pdf2go

Step 5. Click Save to merge the PDF files. You will be directed to the last page, from where you can click Download to access the combined PDF.

Method 2. How to Combine Multiple PDFs into One File with Xodo

Xodo by Aprise is yet another ideal tool for combining PDF files into one document. The main downside to combining PDF files with this online merger is it limits you to 1 free merging action. You will have to subscribe to premium to access unlimited PDF combining.

Here is how to combine PDFs into one using Xodo:

Step 1. Open Xodo's file merger on your browser.

Step 2. Click Select File or either of the three uploading options to add your PDF files. You can also drag and drop the files onto the interface.

select pdf files to merge

Step 3. Hold and drag the PDF files to arrange them precisely. Click Merge to combine the PDF files.

how to combine pdfs with xodo

Step 4. Click Download to save the file to your storage.

Method 3. How to Combine PDF Files into One with PDF24

PDF24 provides multiple online tools to edit and manage PDF files, including merging, splitting, compressing, signing, converting, protecting, rotating, extracting pages, creating, redacting, etc. In addition, it has a downloadable desktop version.

Here is how to combine PDF files online with PDF24:

Step 1. Open PDF24 on your web browser.

Step 2. Click Choose files to upload the PDF files you want to merge.

select pdf files to merge

Step 3. Drag and drop to change the order of the PDF files. Finally, click Merge to combine PDF files.

how to combine pdf with pdf24

Step 4. Click Download to save the merged PDF file.

Method 4. How to Combine PDFs with PDF Converter

As the name suggests, PDF Converter can convert PDF files into different formats. However, one of its prime functions includes combining PDF files into one.

Here is how to combine files into PDF with PDF Converter:

Step 1. Click Choose PDF file to import the documents you want to combine.

select pdf files to merge

Step 2. Drag and drop the PDF files to rearrange the order they will appear in the final document. Click Merge PDF to combine the files.

combining pdf with pdf converter

Step 3. Click Download to access the combined PDF in your local or cloud storage.

Method 5. How to Merge PDF Files with Adobe Acrobat

Chances are you've created or edited your PDF files on Adobe, one of the largest and most widely used PDF editors. Did you know you can also combine multiple PDF files using Adobe Acrobat?

Here is how to combine documents into one PDF using Adobe Acrobat:

Step 1. Open Adobe Acrobat's online merger tool.

Step 2. Hit the Select Files button to upload the PDF documents you want to combine.

select pdf files to merge

Step 3. At the top center of the page, rename the combined PDF file. Select the PDF files you want to merge from the uploaded list. Then click Combine.

combine pdf files with adobe acrobat

Step 4. Click the 3-dotted menu on the top, then hit the Download button to save the combined PDF.

Method 6. How to Merge PDF Documents with Sejda

Sejda is an alternative PDF merger available online. Besides combining PDF files, Sejda can help you sign, compress, and crop PDF files. The free trial allows you to merge up to 50 PDF pages. In addition, it allows you to merge PDF and image files into one document.

Here is how to combine PDF files using Sejda:

Step 1. On the online file merger page, click Upload PDF & image files to import the files you want to combine.

select pdf files to merge

Step 2. If you want to change the order of pages on one PDF file or across all files, click the Pages view tab, then drag and drop pages to rearrange them.

Step 3. Click Files view to rearrange the PDF files. Click Merge PDF files to combine the documents into one.

how to combine pdf files windows 10 with sejda

Method 7. How to Combine PDF Files with Smallpdf

Smallpdf is an alternative free tool to combine PDF files online. One of the main perks of combining PDF files with Smallpdf is deleting your files from its server within an hour after processing. It is web-based and can work on all operating systems and devices.

Here is how to combine PDF files on Windows 10 with Smallpdf:

Step 1. Access the online page, then click Choose Files or drag and drop your files to upload them for merging.

select pdf files to merge

Step 2. Click Merge PDF to combine the documents into one page.

combine pdfs into one with smallpdf

Step 3. Click Download to save the combined PDF to your storage.

The Bottom Line

Combining PDF files is easy, provided you use the right tools and software. One of the main considerations when combining PDFs is the ability to retain file quality after combining. Others include the merging speed and the ability to customize the order of the pages and files.

Coolmuster PDF Merger ticks all these factors off the list, making it an all-in-one solution to combine PDF solutions efficiently. Download Coolmuster PDF Merger to combine multiple PDF files fast and without losing quality.

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