
Besides, this free software lets you save a copy of a PDF file you're editing without losing your work. How to Unhighlight in PDF with Adobe Acrobat DCĪdobe is a free program that allows you to view, create, and print PDF files. Tips: Only the delete button on the top side of your keyboard can be useful. To remove the highlighted text in a PDF file, try this tool! No registration is required.

While highlighting text helps to mark important points, there comes a time where you want a clean display. But they can only be removed if you didn't save the document.Did you know that you can unhighlight text in PDFs? This process works without changing the formatting of the original document.

In this screenshot the light-gray highlights are leftovers, while the darker gray highlights are "real", deletable highlights. I know that the file is permanently altered because when it opens up in the default reading app, the same place looks the same as in Koreader.

Some tap on the altered place seems to occasionally give you the "delete" option, but it has no lasting effect the way highlight does.

Looks like I discovered a disastrous thing in Koreader: When you highlight some text in a pdf and then save it, the file gets irreversibly altered.
