What is the best PDF reader for highlighting texts with different colors and/or automatic highlighting? - Quora
![I am currently viewing PDF files in firefox. What can do to just highlight a few parts of my pdf using some add-ons OR anything? | Firefox Support Forum | Mozilla Support I am currently viewing PDF files in firefox. What can do to just highlight a few parts of my pdf using some add-ons OR anything? | Firefox Support Forum | Mozilla Support](https://user-media-prod-cdn.itsre-sumo.mozilla.net/uploads/images/2019-03-18-11-35-31-9ae199.png)
I am currently viewing PDF files in firefox. What can do to just highlight a few parts of my pdf using some add-ons OR anything? | Firefox Support Forum | Mozilla Support
![PDF-XChange Viewer: Highlight, Write Notes and Make Markings Just Like on Paper! – Enterprise Digital Asset Management PDF-XChange Viewer: Highlight, Write Notes and Make Markings Just Like on Paper! – Enterprise Digital Asset Management](https://www.diw.com.sg/wp/wp-content/uploads/resources/free_downloads/pdf-xchange_viewer/Picture2.png)