How to Combine PDF Files on iPhone

PDF (Portable Document Format) is a file format that is widely used to present and exchange documents reliably, independently of software, hardware, or operating systems. It was introduced by Adobe Systems in 1991 and has since become the standard format for sharing documents across different platforms.

Feb 4, 2022

Understanding the Need to Combine PDF Files

PDF files are especially popular on iPhone devices due to their versatility and compatibility. With an iPhone, users can easily view, share, and save PDF files. Whether it's a presentation, a resume, or an e-book, PDF files offer a convenient way to access information on the go.

There are several situations where combining PDF files becomes necessary. For instance, if you receive multiple PDF files that belong to the same project or document, merging them would help keep everything organized. Similarly, merging PDF files can simplify the process of sharing or archiving multiple related documents.

Combining PDF files offers several advantages in terms of organization. It reduces clutter by consolidating multiple files into a single document. Moreover, it makes it easier to search, share, and archive documents, ultimately saving time and increasing efficiency.

Pre-requisites for Combining PDF Files

Before learning how to combine PDF files on iPhone, ensure that your device is running on the latest iOS version. Additionally, you will need a reliable PDF management app with the capability to merge multiple files.

Having a solid understanding of file storage and accessibility options on your iPhone is crucial when combining PDF files. Familiarize yourself with the default "Files" app, as well as any other file management apps you might have installed.

Step-by-step Guide on How to Combine PDF Files on iPhone

The Files app is a built-in file management tool on iPhone devices. It allows you to access and organize files stored on your device, cloud storage services, and other apps.

To combine PDF files using the Files app, follow these steps: - Open the Files app on your iPhone. - Navigate to the location where the PDF files are stored. - Select the first PDF file and tap on the "Select" button. - Tap on the additional PDF files you want to combine. - Tap on the "More" button (represented by three dots) and select "Create PDF." - A new PDF file will be created, combining all the selected PDF files.

Using Third-party Apps

Third-party apps offer additional features and flexibility when it comes to combining PDF files on iPhone. They often provide more advanced editing and customization options.

There are several third-party apps available for merging PDF files on iPhone, such as Adobe Acrobat Reader, PDF Expert, and Smallpdf. Each app has its own set of features and limitations, so it's important to choose one that suits your specific requirements.

Using Adobe Acrobat Reader as an example, here's a step-by-step guide: - Install Adobe Acrobat Reader from the App Store and open the app. - Tap on the "PDF" button at the bottom. - Tap on the "+" button and select the PDF files you want to combine. - Rearrange the files in the desired order if necessary. - Tap on the "Merge" button to combine the selected PDF files. - Save the merged PDF file to your preferred location.

Advantages and Disadvantages of Combining PDF Files on iPhone

Combining PDF files on iPhone offers several advantages, such as:

  • Enhanced organization and reduced clutter

  • Easier document sharing and archiving

  • Efficiency in accessing related information

However, there are a few potential drawbacks, including:

  • Increased file size, which may affect storage capacity

  • Potential loss of formatting or quality during the merging process

B. The impact on file size, readability, and privacy When combining PDF files, it's important to consider the impact on file size, readability, and privacy. Merged files may result in larger file sizes, potentially affecting storage space. Additionally, certain PDF merging methods might compromise the readability of the content or expose sensitive information.

Frequently Asked Questions about Combining PDF Files on iPhone

A. Common queries and their solutions

  1. How can I combine PDF files on iPhone without using any third-party apps?

    One option is to use the built-in Files app, as explained earlier in this article. It allows you to select multiple PDF files and create a single combined PDF.

  2. Can I reverse the merging process and separate the combined PDF file back into individual files?

    Generally, once you've merged PDF files, it becomes challenging to separate them back into individual files without using specialized tools. It's recommended to keep backups of the original files before merging them.

B. Troubleshooting tips for common issues

  • If you encounter issues while merging PDF files, ensure that you have the latest version of the PDF management app installed.

  • Verify that all the PDF files you are trying to combine are accessible and not corrupted.

  • In case of persistent problems, restart your iPhone or consider using an alternative PDF merging app.


Combining PDF files on your iPhone can be achieved through the built-in Files app or third-party PDF management apps. With the right tools and knowledge, you can consolidate multiple PDF files into a single document for easier organization and sharing.

By combining PDF files on your iPhone, you streamline your document management process, reduce clutter, and improve efficiency. Whether it's for personal or professional use, combining PDF files can simplify your digital workflow.

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