How to Remove All Underlines from PDF on Mac (Including Sierra)

Wondershare PDFelement for Mac is the right tool to remove underlines. This software is the ideal tool since it does not only support batch removal of underlines but also highlights, strikethrough, sticky notes, annotations, text box and any other markups supported by the software.

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Features of Wondershare PDFelement for Mac:

Apart from removing annotations, watermarks and markups, this software allow you to add them too.
It is a PDF editing tool that allows you to change texts, add texts, add images, replace images, rotate pages, extract pages, reorder pages, delete pages and insert pages.
It can also create PDF files from clipboard, screen capture, window capture, HTML, RTF, blank files, BMP, PNG, GIF, TIFF, and PDF.
It can convert scanned PDF files using the OCR plug-in.
It allows you to merge multiple PDF files to one file.
It can encrypt and decrypt PDF files.
It supports Mac OS X macOS Sierra, El Capitan, Yosemite, Mavericks, Mountain Lion and Lion.

Part 2How to Delete All Underlines from PDF on Mac

Step 1. Open PDF File

Open the software on your computer and upload the underlined PDF file. To open the PDF file with the program, you will have to click on the "Open File" button at the bottom right of the window. Alternatively you can click on the "File" button on the main menu and click on "Open" followed by "From File" and upload the underlined file.

Step 2. Select the Annotations to Remove

Once the file is opened with the program click on the "Markup". A sub tool bar will appear with "Trash" icon and "Hide All Comments" icon at the far right. You can view the markups on the PDF file by clicking on the "Hide All Comments" button. Click on the "Trash" button and you will see a list of markups. From there, now mark on "Underline" box.

Step 3. Remove All Underlines

After that you can now remove all the underlines at once. It is simple just click on "Remove" on the remove markups windows. It also has the "Cancel" button just in case you want to terminate the process. All the underlines will be removed on the PDF file within seconds.