How to annotate PDF files on Android devices using Xodo

There are several tools to annotate PDF files. Some are non-free like Adobe Acrobat Writer and others, and some are free like Xournal on Linux. Xournal is a very powerful annotator, whereby, the original file is untouched, but a separate file of the annotations done on top of the original PDFs is maintained. You can … Continue reading How to annotate PDF files on Android devices using Xodo