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Home / Blog / How to Resize A PDF Image | 4 Proven Methods

How to Resize A PDF Image | 4 Proven Methods

By Lena | Follow twitter | Updated on April 23, 2024
Can you resize a PDF image? The answer is YES! Many PDF editors can help you edit images in PDF. These tools can easily help you resize images, aspect ratios, etc., so that the image fits better on the page, thus making the document perfect! Without much ado, let’s start to see how to resize a PDF image on Windows and Mac.

What’s the Best Way to Resize Image in PDF?

To resize image in PDF, you will need an editing tool. In this article, we have collected 4 of the most efficient editing tools. Before explaining the exact steps, let's see which one you should choose to save time and energy.

⭐️ For Windows users, you can use Adobe Acrobat or SwifDoo PDF. The former has been around for a long time but is relatively expensive; the latter is newer but not inferior in terms of features.

⭐️ For Mac users, you can use Preview, a program that comes pre-installed on your computer.

⭐️ For those who don't want to download a desktop app, you can choose to resize images in PDF online. All you have to do is open a browser and start the editing.

Now, read on to see how to resize an image in PDF.

Way 1. Resize a PDF Image with Adobe Acrobat

With Adobe Acrobat, you can easily resize images in PDF. After all, it is a widely recognized PDF program. However, you can only use this feature if you have upgraded to a pro version - US$19.99/mo. Anyway, you can check out how to resize a PDF image with Adobe Acrobat before you see if you want to opt for the program.

1. Get the 7-day free trial version from this site: https://itselectable.com/goto/adobe-acrobat.

2. Launch Adobe Acrobat and open the PDF file.

3. Click Tools and then choose Edit PDF.

4. Choose Edit option and then click the image you want to resize.

Resize a PDF Image with Adobe Acrobat

5. Now you can resize the image by pulling the bounding box handle.

6. Save the change when it’s OK.

Way 2. Resize a PDF Image with SwifDoo PDF

SwifDoo PDF is another reliable PDF editor for Windows users to resize image in PDF. The tool is not as well known as Adobe Acrobat, but it also offers a lot of features that are good enough for you to optimize your PDF file in order to make it as perfect as you want it to be.

With SwifDoo PDF, you can easily resize an image with the aspect ratio retained or not, rotate it, adjust transparency, etc. It also allows you to replace images with one click. Click the download button to get the tool and see how to enlarge, reduce, and crop images.

1. Open SwifDoo PDF > Drag and drop the PDF to its workspace.

2. Click the image you want to resize and choose the pencil icon.

3. To resize the image, click the first rectangle button.

4. After that, you can drag the bounding box to resize the image. You can uncheck the option if you don't want to keep the aspect ratio.

Resize a PDF Image with SwifDoo PDF

5. To save the changes, click the Save button in the top right corner.

As you can see, SwifDoo makes image editing very easy. In the same way, it also helps you to easily modify text, add annotations, merge and split PDFs, and more. SwifDoo generously offers a 7-day free trial, after which you can subscribe for $16 per month if you feel the program is exactly what you need.

SwifDoo PDF
  • Modify, add, delete or replace text with a single click
  • Crop, rotate, replace image and adjust the opacity
  • More than a dozen annotation tools to make PDF attractive
Free Download
Windows 11/10/8.1/8/7

Way 3. Resize a PDF Image on Mac

Preview is a built-in image viewer on Mac computer. What's great is that it can also view PDF files and do some editing. If you just want to make some simple changes to the file, then Preview is a good choice. The steps are as follows.

1. Open the PDF file with Preview.

2. Choose Adjust Size. If there is no such button, you can click Show Markup Tool first.

3. Now you can adjust the size by typing new value for the width and the height. Or you can click Fit into option to choose a size you prefer.

4. Save the changes.

Resize a PDF Image on Mac

Way 4. Resize a PDF Image Online

If you don't often work with PDF files, perhaps an online tool is a good option. You can open a browser and edit immediately. There are many online PDF editors, such as Adobe Acrobat, Soda PDF, and iLovePDF. Here, we take Soda PDF as an example.

1. Open your browser and go to https://online.sodapdf.com/.

2. Upload your PDF file.

3. Choose the Edit button and click the image you want to resize.

4. Now, you can drag the border to resize it.

5. Then, you can click the Download button to save the PDF.

Resize a PDF Image Online

Resize PDF Images FAQs

Q: How do I reduce the size of a PDF image?

Compress the PDF, including the image; Save the image > Compress the image > Re-add to PDF.

Q: How do I manually resize a PDF?

Open the PDF with SwifDo PDF > Right-click a page and choose Page Setup > Adjust the size and click OK.

Q: How to change PDF file size?

Launch SwifDoo PDF > Click Compress PDF > Add the PDF you want to compress > Select a compression level and adjust the image quality > Click Start. More info: Reduce PDF File Size.

Final Words

That’s all about how to resize a PDF image. For Windows users, you can use Adobe Acrobat or SwifDoo PDF depending on preference. For Mac users, Preview app is the way to go. In addition to using the desktop app, you can choose an online editor if you don’t have enough space on your computer.

Lena has been in the editing industry for 8 years. She is familiar with a variety of products that can make things easier, such as PDF tools, video recording software, iOS location changer, etc. She enjoys sharing her knowledge with users to help them solve problems in their work and life. In her spare time, she likes to play with her cat.

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