Highlight in scanned PDF in macOS easily

How to highlight in scanned PDF in MacOS with DocHub

DocHub is an innovative platform that simplifies document management, making it easy to edit, sign, and distribute your files online. With deep integration into Google Workspace, our editor allows seamless import, export, and modification of documents directly from popular Google apps. Whether you’re using iOS 17, 18, or 19, you'll find that highlighting in scanned PDF in MacOS using our platform enhances your workflow and empowers you to manage your documents effectively and for free.

Follow the steps to highlight in scanned PDF in MacOS

Open the DocHub website in your browser and log into your account.
Upload the scanned PDF document you wish to highlight by selecting the appropriate option from the interface.
Once your document is uploaded, navigate to the toolbar where you can find various editing tools.
Select the highlighting tool and choose your desired color for highlighting.
Click and drag your cursor over the text you want to highlight in the scanned PDF.
After highlighting, you can add additional notes or comments if needed.
Once you are satisfied with your edits, choose to download or export the document, print it, or share it with others directly from the platform.

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Got questions?

Here are some common questions from our customers that may provide you with the answer you're looking for. If you can't find an answer to your question, please don't hesitate to reach out to us.

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Why is my PDF not letting me highlight?

If you cannot highlight or select text in a PDF, the file might probably be a scanned copy and cannot be edited. How can you tell whether a copy was scanned? Its simple; the alignment of the text will be off, the pages borders wont be in the same place, and some text will be zoomed in more than others.

Why is highlighter not working on Mac PDF?

Your Mac might not be allowing you to highlight text because the Text Selection tool isnt selected, or because your PDF is password-protected. Select Tools Text Selection and then highlight your text as required. If this doesnt work, contact the author of the document to ask them for the password.

How to enable highlighting in PDF?

Highlight your PDF document online. Select the highlighter tool from the horizontal toolbox located at the top of the PDF editor. Select the desired color of your highlighter tool. Click and drag the cursor to select the text area to highlight, releasing when youve finished.

How can I highlight a PDF document on Mac?

In the Preview app on your Mac, open the PDF you want to change. Do any of the following: Quickly highlight, underline, or strike through text: Select text, click the down arrow next to the Highlight button , then choose a highlight color, underline, or strikethrough.

Why cant I highlight in PDF on Mac?

The Text Selection tool may not be selected: Choose Tools Text Selection, or click the Show Markup Toolbar button , then click the Text Selection button . The PDF may require a password before you can select or copy text: Choose Tools Show Inspector, click the Encryption Inspector button , then enter the password.

How do you highlight and comment on a PDF on a Mac?

To comment on specific text, select Highlight Text from the dropdown menu. Highlight the text that you would like to comment on, then right-click on the highlight and select Add Note from the dropdown menu. To make a comment not tied to any particular text, select Note from the dropdown menu.

How do I highlight text in a scanned PDF?

Open your PDF in Acrobat. Click and drag the cursor to select the area of text you want to highlight. A small toolbox will appear above your text. Select the highlighter tool icon and it will automatically highlight your selected text.

Why cant I highlight a scanned PDF?

The most common reason that you cant highlight PDF documents is because the document doesnt actually contain any real text. Instead, it contains scanned text, which is essentially an image of the text. In this case, you wont be able to highlight, underline, strikethrough, or edit this text in any way.

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Highlight in scanned PDF in macOS in no time

How to highlight in scanned PDF in MacOS with DocHub

Follow the steps to highlight in scanned PDF in MacOS

PDF editing simplified with DocHub

Drive efficiency with the DocHub add-on for Google Workspace