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How To Modify A PDF

Normally, a PDF is a read-only document that cannot be edited without specialized software or tools. However, sometimes you may need to modify a PDF, whether adding new content, deleting existing content, or modifying the text and images. So, it's important to know how to carry out the task.

There are several reasons why you might need to alter a PDF. For instance, you may need to correct errors or update information in a document, add new content or images, or remove unwanted information. Modifying a document can save you time and effort, allowing you to make changes without starting from scratch. This is especially useful when dealing with legal or business documents, where minor errors can have serious consequences.

Modifying a file can be challenging as the format is usually read-only. But that doesn't mean it's impossible. In fact, with specialized software and online tools, making changes to it has become a lot easier. In this article, we'll explore different methods to modify a PDF.

How To Modify A PDF

In today's world, where everything is online, it's important to know how to modify a PDF online. In fact, it's one of the best methods that help you revise or edit your file without recreating it. Apart from that, another plus point is that you aren't required to download or install any application on your device for it.

Here are step-by-step instructions on how to modify a PDF using Edit PDF:

  1. Go to https://www.formatpdf.com/en/edit-pdf/
  2. Tap the "Select PDF File" option and choose the file you want to modify. Or, drag it onto the space that reads "OR DRAG AND DROP THE PDF HERE".
  3. Now, you will be able to access all the editing tools that it offers. There are various options that let you modify your file, such as drawing, inserting an icon, inserting an image, inserting a figure, or adding text.
  4. Make all the modifications that you want and click on the "Download" button, which is located at the top-right corner of the screen. It'll automatically save the new file on your device.

What You Need To Know About Modifying A PDF

Whether you are modifying a file for personal or professional purposes, here are some important things to remember while doing this:

  • When modifying a file, preserve the document's formatting. Ensure that the fonts, images, and layout remain consistent with the original file, especially if it is a formal document or legal contract.
  • Double-check the document after modifying it to ensure no errors are visible.
  • If you modify a PDF containing sensitive data, such as personal or confidential business data, be cautious with how you handle and save the modified document. Avoid sharing it through insecure channels and use password protection or encryption features to safeguard the file.
  • After modifying a file, test it on different devices and platforms to ensure it appears and functions correctly. PDFs may render differently on different devices or software, so checking for compatibility issues is important.
  • Before making any modifications to a document, creating a backup copy of the original file is crucial. This will ensure that you have a fallback option in case something goes wrong during the editing process.

Which Programs Allow You To Modify A PDF

Fortunately, if you don't have access to the internet or your network speed is super low, other alternatives are available. It completely depends on the type of device you use.

Modify A PDF On A PC

Performing this operation from a computer is always simpler than from a mobile device, since more alternatives are available. In fact, there are numerous options through on you can modify a PDF file from your PC. However, it depends on the operating system (Windows, Mac, or Linux) you have installed.

Windows 10 And Prior Versions Of Windows

No doubt, modifying a file is one of the most requested actions by users who want to change their PDFs on a Windows PC. We have a paid program called Acrobat Acrobat. It's a good option, although you’ll have to pay for a hefty subscription to use it.


On Mac, you have an in-built program, Preview, that contains a text editing tool with which you can modify your PDFs. In fact, you can draw, insert images, and add text to your documents on your Mac. Just open your file with the Preview program and use the various options in the toolbar.


If you want to modify a file on Linux, you must look for an open-source PDF viewer with editing tools. Many options are available; among them, you could use Inkscape, Okular, or any other PDF viewer compatible with your device. The steps are simple, so you can do it with ease.

Modify A PDF On A Smartphone Or Tablet

You might not have access to a computer or laptop; all you have is a smartphone or tablet. In such a case, you might be interested in learning how to modify a file from your mobile device.


An online tool is undoubtedly the best option for modifying a file if you are an Android user. For instance, you could use Adobe, a paid-for program that offers tons of editing tools. It allows you to do all forms of modifications that you want.

iPhone (iOS) Or iPad

Of course, modifying a file on an iPhone or iPad is possible. In fact, there are numerous options available that allow you to carry out the task. For instance, you have iAnnotate PDF as well as Adobe Acrobat Reader. However, you can install many other apps from the Apple App Store and start modifying your documents.

Husain has been around the internet ever since the dial-up days and loves writing about everything across the technosphere. He loves taking tech apart and see what makes them tick, without necessarily putting it all back together.
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