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How to Compress PDF on Windows? (3 Proven Ways)

If you've ever struggled with large PDF files that take up too much space or are difficult to share, you've come to the right place. This article will explore various methods and tools available to compress PDF on Windows. Whether you're a professional dealing with numerous documents or a student looking to optimize your study materials, we've got you covered.

Let's dive in and discover the best ways to compress PDFs on Windows.

Part 1. How to Compress a PDF File on Windows Via UPDF?

The first method to compress your PDF documents on Windows PC is by using UPDF. UPDF is a PDF editing and reading tool with multiple features, including PDF compression. UPDF for this purpose will be an excellent choice since it provides a complete package for all your needs regarding PDF documents.

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How to Compress a PDF File on Windows Via UPDF

Some of the reasons why UPDF makes the best choice for compressing PDF documents include:

  • It allows you to compress PDF documents without any loading or processing times instantly.
  • UPDF has multiple qualities available to help you reduce PDF to the desired size.
  • You can organize, merge, or split PDF documents before compressing them if required.
  • Thanks to easy sharing in 3 different ways, collaboration is made easier with PDF.
  • UPDF cloud allows you to sync your PDF documents (original and compressed) across all your devices
  • You can collaborate with others when working on PDF documents with UPDF.
  • It has UPDF AI which can help you summarize PDF, translate PDF, explain PDF, and chat about anything.

Hence, for all these reasons, UPDF packs a rich experience for you and guarantees you the best results in terms of compression and performance.

Steps to Reduce PDF File Size on Windows 10/11

One of the many reasons for picking UPDF as your primary tool to compress PDF documents is because of its easy process. The process is so easy that it takes only a few steps on UPDF to compress your PDF documents as follows:

1. Open UPDF to open a PDF document

Locate the desktop icon of the UPDF app on your Windows PC and "double-click" to start it. Alternatively, press the "Windows key" and search for UPDF. Hit Enter, and the tool will open on your PC. Now go for the "Open File" option and click your desired PDF document to open it on UPDF. Click the "Open" button, and that PDF will open on UPDF.

Open PDF file on UPDF Windows

2. Save as other

From the right-pane menu, click "Save as Other" and click the "Reduce File Size" option from the pop-up screen. This option will take you to the PDF compression pop-up window.

Reduce file size in UPDF Windows

3. Select compression quality and size.

The PDF compression pop-up window will show the original file size and 4 different options to compress: Maximum, High, Medium, and Low. Each option shows the corresponding file size after compression and the quality type expected after compression. Select one by clicking it and click "Save as."

Select document quality to compress PDF on Windows

4. Save

Now you will see another pop-up window where you can rename the compressed PDF document. Here you also get to select the destination folder for saving the new compressed file. Click "Save," and UPDF will instantly compress your document and save it to the offline storage of your Windows PC.

Part 2. How to Compress a PDF File on Windows for Free via iLovePDF?

If you are looking for a free method for this conversion, then a good tool you can use is iLovePDF. It is an online tool that works for free, and iLovePDF also brings several features and functionalities for editing, organizing, and managing your PDF documents. However, it does not require you to sign up to start using the PDF compressing feature, and here are the steps on how you can use it.

1. Open iLovePDF and select PDF file.

Open the iLovePDF website and click "Compress PDF" from the top tab. It will take you to the tool for compressing PDF documents. Start by selecting your file, and press the "Select PDF file" button. iLovePDF allows you to select files from the PC's offline storage by the browse window. You can click a PDF and click "Open." Alternatively, select your file from Google Drive or Dropbox.

Open iLovePDF and select PDF file

2. Set compressing quality

When you move to the next window, you can use the batch conversion feature by clicking the "Red Plus" button to select more files. Additionally, you can select one of the 3 available compression qualities. Once you are done, click "Compress PDF," it will take you to the compressing process screen, where you may need to wait a second.

Set compressing quality in iLovePDF

3. Download the compressed PDF

Click the "Download compressed PDF" button to download the new compressed file. iLovePDF brings you a better sharing and downloading experience since you can save that file to Dropbox or Google Drive and even copy the link to share your file or a scannable QR code that will download the compressed file.

Click the "Download compressed PDF" button to download the new compressed file

If you have any privacy concerns, press the "Dustbin" button, which will immediately delete that compressed file from iLovePDF’s servers.

Part 3. How to Shrink PDF File Size on Windows 10/11 Via Adobe Acrobat?

Another method that you can use for shrinking the file size of your PDF documents is Adobe Acrobat. Adobe Acrobat is one of the most famous PDF editing tools, and it comes in different variations. The best version of this tool is Adobe Acrobat Pro, which is paid.

However, if you only need to compress the PDF documents and want to do nothing else, then Adobe Acrobat Online will be a good choice. In fact, it comes with many other tools like converting to PDF, signing, editing, etc.

Adobe Acrobat Online offers a basic PDF compression experience with a few steps, as discussed below.

1. Go to Adobe Acrobat Online PDF Compress Website

You need to open Adobe Acrobat Online PDF Compress Website and click the "Select a File" button. It takes you to browse the window, select and click a file, then press the "Open" button, and that file will upload to the website. The time for uploading may vary depending on the file size and internet connectivity speed.

Go to Adobe Acrobat Online PDF Compress Website

2. Select compression quality 

After the file uploads, you will be given 3 options to select the compression qualities. These show the estimated file size after conversion and the PDF document quality. So, select the compression quality carefully according to the contents of your PDF document. It is because you may face a quality drop in the document after compressing it. Click the "Compress" button after you select the quality.

Select compression quality in Adobe website

3. Download compressed pdf

You must wait a few seconds as Adobe Online compresses your document. Once the compression is complete, you will go to a new screen with a "Download" button. Click it, and your download will begin. The file will be saved on your default download location. Otherwise, the browser will ask for the location. There is also a "Link" button that will copy the download link to that compressed PDF for easier sharing.

Download compressed pdf in Adobe website

Part 4. Which One is Better to Compress a PDF File on Windows 10/11

Now that you know these 3 methods to compress your PDF files selecting one can be difficult without comparing. Since you will frequently use the tool for compressing PDF documents, selecting the one that promises the best features and experience is important so you don’t have to switch tools.

So, if you want to compare these 3 tools, here is a quick comparison table containing the UPDF, iLovePDF, and Adobe Acrobat features, prices, platform support, and other important metrics.

 UPDFiLovePDFAdobe Acrobat
FeaturesInstant PDF compressing. Multiple compression qualities. UPDF Cloud for online PDF storage .
Many advanced PDF editing features.
Batch PDF Compressing. Upload from online and offline storage. Save to online and offline storage.Multiple compression qualities. Saves files in servers temporarily. Link file sharing.
Price$2.49 per month billed annually.FreeFree for online. $19.99 per month.
Platform supportWindows, Android, Mac, iOS.WebWindows, Mac, Android, iOS
Online usageUnavailableAvailableAvailable
User experienceBest user experienceSimple user interfaceCompressing takes too long

This table makes it clear how three of the above-discussed tools compete against one another. Considering this comparison, if you want a solution that brings options beyond your expectations and offers extremely competitive pricing, then UPDF is the best choice. Some of its features are available for free usage with a watermark while getting the UPDF pro version is also extremely budget-friendly. Considering its extensive range of features, it makes a much better option than the free and online tools.

Final Words

In conclusion, learning how to compress PDF on Windows can be incredibly beneficial for anyone dealing with large documents. Reducing the file size can save storage space, enhance file transfer speeds, and improve overall efficiency. No matter which third-party tool you choose, there will be several options with variable features. Take the time to explore different methods and find the one that suits your needs best. Empower yourself with the knowledge of compressing PDFs and simplify your digital document management experience.

If you want the best experience compressing your PDF documents, go with UPDF. It is because UPDF gives you a complete PDF editor experience with compressing and several other features at hand. All of this comes at an extremely competitive price and offers an exceptional user experience.

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