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How To Reduce The MB Of A PDF

If you’re here reading this article, you may have a large PDF whose MB needs to be reduced. Maybe because you want to send it through email, and it's important to learn how to carry out the task on different devices and operating systems. However, just knowing the methods won't be helpful since there are various ways to do it, and not each one is equally good. Continue reading to know more.

Before discussing how to compress a PDF, let's see when you might need to complete the task. You may want to send your project file via email or other messaging apps; in such a case, you need to reduce your file's size if it's more than the limit. Also, compressing a file saves space on your device. So, whether you are at school or work, needing to compress a file is inevitable.

In this article, we will show you the steps you need to follow to reduce the size of PDF files using an online tool. Likewise, we'll discuss various other methods to help you get the desired results. Moreover, we'll give you some tips to remember while carrying out this task. Let's go!

How To Reduce The MB Of A PDF Step-By-Step

Alright, get ready because we will walk you through the steps to compress your large PDFs. Trust us; it's pretty easy! In no time, you will see how simple and speedy this process can be, helping you reduce the MB of a PDF as you have desperately longed for. So, let's dive in and make your PDFs lighter:

  1. Go to https://www.formatpdf.com/en/compress-pdf/
  2. To get that file uploaded and ready for compression, simply click on the section that says "Select PDF File" or you can even go ahead and drag that document straight into the red window.
  3. Look to the right side of your screen, where you will find three compression options: Extreme, Recommended, and Low. Take a moment to choose the option that suits your needs the best. We suggest going for the Recommended option.
  4. Once you have decided, it's time to click that red "Compress PDF" button just below these options.
  5. Your compressed file can be shared or saved wherever you want. Click "Download PDF" to save it on your device.

compress pdf mobile

What You Need To Know About Reducing The MB Of A PDF

We've got some valuable tips that will greatly benefit you when completing this task. It's highly recommended to consider the following advice to avoid any potential issues:

  • Removing the lock before compressing it is best if you come across a locked file. In case you can't recall the password, no worries! There are tools (both online and downloadable) to help you out with that.
  • Always double-check the final document after making any changes or compressing it. Therefore, it's essential to review the resulting document for accuracy and quality.
  • If you would rather not compress a document, you can send it in separate parts using a handy PDF splitter tool. This way, you can conveniently share the file in smaller sections if that suits your needs better. However, it's always better to compress a file than to split it.
  • The algorithm employed by this tool ensures minimal loss in quality, so rest assured that the resulting document will closely resemble the original. You can expect excellent fidelity even after the splitting or compression process.
  • It's always a good idea to keep a backup copy of the original document, especially when emailing it.

Which Programs Allow You To Reduce The MB Of A PDF

When reducing the MB of PDF documents, it is common to utilize various devices and operating systems such as Windows, Mac, Linux, Android, or iOS, be it on computers, mobile phones, or tablets. That's why having a versatile PDF compressor that works seamlessly across all these options is highly beneficial. Let's look at various tools for different operating systems.

Reduce The MB Of A PDF On A PC

Regarding popular computer systems, the top contenders are Windows, Mac, and Linux. The major advantage of the online tool we've mentioned is that it's compatible with all these operating systems. However, there are various other downloadable tools that work seamlessly on your Windows, Mac, and Linux computer, saving you time and effort.

Windows 10 And Prior Versions Of Windows

If you happen to be a Windows user and want to reduce the MB of PDF files, you're in luck! You can rely on the widely-known Chrome browser by Google to compress those bulky files. And guess what? You have other excellent options, too, like Firefox or Opera, which work seamlessly with the suggested online tool we mentioned at the start of this article.


On the other hand, if you want to reduce the MB of PDF files on a Mac computer, you can use the Safari browser, which perfectly syncs with your operating system. You can smoothly use our recommended tool to compress your files easily. However, you can also use paid programs such as Adobe to carry out the task.


Linux users are in for a treat because they have not one but two fantastic browser options to choose from. Both Chrome and Firefox, which we've already mentioned, work like a charm with the compression tool we've shown. However, there are other programs like PDFunite and PDFsam available that can help you to reduce the MB of PDFs on Linux.

Reduce The MB Of A PDF On A Smartphone Or Tablet

Now, let's talk about the convenience of mobile phones and tablets, allowing you to reduce the size of PDF files on the go, no matter where you are. With the FormatPDF tool, you will experience the utmost ease and flexibility.


When it comes to mobile phones and tablets, Google's Android steals the show as a widely adopted operating system. For a smooth experience, we highly suggest downloading Chrome from the official Google Play Store and using the online tool mentioned above. However, you can also install a list of different apps designed for the task.

iPhone (iOS) Or iPad

For those using an iPhone or iPad, worry not! You can go to the Apple App Store and grab the Chrome browser. This way, it's easy to use the mentioned tool to reduce the MB of a PDF. However, there are also various downloadable programs that you can use to carry out the task with ease.

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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