How to Highlight Image in PDF (4 Working Methods)

Using images in PDFs to increase the contrast and visibility of certain items is useful for educational and presentation as well as design and architectural purposes. If you are marking up a complex diagram, stressing the details of the design, or annotating images in the legal document, then highlighting images in PDF is of great importance.

In this article, we'll explore four practical methods to highlight images in PDF using different tools: UPDF, Adobe Acrobat, and an online solution that is SmallPDF.

How to Highlight Image in PDF with UPDF?

UPDF is a universal PDF editor that can be successfully used in tasks that require highlighting images, so it is perfect for specialists who work with illustrated documents. UPDF has unique features, the image highlighting feature which enables you to emphasize certain parts of an image. However, it can only work on Mac.

No worry, for other platforms, you can use shapes to highlight image in PDF. With it, you can highlight images on Windows, MAC, iOS, and Android.

You can click the below button to learn how to use these two methods to highlight image in PDF.

How to Highlight Image in PDF (Mac Only)

If you have a Mac then you can proceed with this method since it is the easier and more efficient one with the following steps:

• Open the UPDF app and use "Open File" to open your PDF document in it. Now, click "Comment" from the left side and press "Highlight" from the top. You can also change the color of your highlighter here.

• Hold down your “Shift” key and drag the cursor over the image to highlight it with ease.

How to Highlight Image in PDF with Shape (All Platforms)?

If you are using the UPDF on Windows or mobile device then you can use another method of highlighting images in your PDF documents by using the following steps:

• Run the UPDF app and open PDF in it by using the "Open File” option. Click “Comment” and select the “Rectangle" option from the top. Select the border color, fill color, thickness, and opacity to customize the highlighted tool.

• Click and drag your cursor across the image to “Highlight” the rectangle shape. As you have lowered its “Opacity”, it will work as a highlighter for the image.

So, regardless of the operating system you are using, highlighting images in PDF will always be an easy task with UPDF. Similarly, UPDF provides many other features that will enhance your overall experience as shown in the video below.

So, if you want to try using UPDF yourself you can download it for free and to unlock its premium features you will require a UPDF Pro subscription.

How to Highlight Images in PDF with Adobe Acrobat?

Using Adobe Acrobat is one of the best ways of handling PDF files, especially when it comes to satisfying and versatile image highlighting.

It is possible to control the way highlights can be placed with the use of colored background, and opacity which range from the visibility and placement of the highlights in the form of rectangles and polygons.

These features make Adobe Acrobat suitable for enhancing the detailed work on different documents. These include adding annotations on intricate diagrams, enhancing designs, or perhaps stressing some areas in legal papers. Adobe Acrobat’s built-in integration with Adobe Cloud services lets you work with the highlighted PDFs across devices and guarantees a professional appearance.

Because of the deep editing options and great stability, it is recommended for anyone who needs to be precise in PDF annotations. Let us get into the detailed steps on how to highlight images in PDF using Adobe Acrobat:

• Open Adobe Acrobat software on your computer and press the "Open File” option to open your desired PDF document. Now select “Draw” > “Rectangle” from the quick floating tools.

• Set your “Fill and border colors” and select the “Opacity” of the rectangle. Now, click and drag the cursor over the image to draw a rectangle on it that will “Highlight” the image.

Also Read: Adobe Acrobat Vs UPDF: Discovering Advantages And Choosing Wisely

How to Highlight Images in PDF Online with SmallPDF?

SmallPDF is one of the effective online utilities that further offers a simple solution for image markup in documents. SmallPDF is a user-friendly tool with a great interface, and a simple layout to offer the possibility of adding emphasis to the pictures portrayed through drawing geometric shapes of variable color with the semi-opaque layer.

The utilization of this feature is very good for increasing the intensity of the document when working on diagrams, designs, or any other graphic items. While using SmallPDF, you can easily change the image highlight by the options of the shape like rectangle or circle, the main color of the shape fill and border, and the opacity level of the shape.

However, this highlighting makes other readers of the document notice it easily. Since SmallPDF is an online-oriented tool, it can be accessed from a device with an Internet connection, which is valuable for those customers who need to edit PDF files and add annotations while traveling.

Still, for those users who require a fast and uncomplicated tool for image highlighting in PDFs, the SmallPDF will be rather useful as it is an effective and versatile tool that does not require additional software to integrate into the work process. Here is the step-by-step guide on how to highlight images in PDF with SmallPDF.

• Go to the SmallPDF Annotate PDF feature on your browser and upload your file by clicking the "Choose Files” button. Click “Shapes" from the top and select "Rectangle”.

• Draw a “Rectangle” around the image using your cursor and click on it to open “Properties”. Select the “Border and fill color” then change the “Opacity” and your image will be highlighted.

By following these steps, you can easily highlight images in PDF files from any device without needing any installed application.

Also Read: Smallpdf vs. UPDF: Which Is Better and More Cost Effective

Conclusion

Highlighting images in PDFs is an effective way to guide the audience’s view and introduce importance to the papers. If managed with the help of UPDF, Adobe Acrobat, as well as online options such as SmallPDF, you can easily highlight images and significantly improve your document.

Regardless of whether you are giving a presentation about investment plans, or studying minuscule details in designs, these methods will facilitate the work and make communication more efficient. However, when it comes to selecting the most efficient one, the answer will always be UPDF for its great performance and user-friendly experience.

Download UPDF now to highlight images in PDF easily yourself and get a UPDF Pro subscription for accessing Pro tools.