15 useful Tools to Annotate PDF Documents

PDF is an independent file format that is used for reading different kind of documents starting from e-book, journals and many other documents. Even many application forms are also available in the PDF format which can be filled and submitted online. In the PDF files different types of contents can be represented like texts, graphics, charts, fonts and others. However, some applications are needed for supporting these files in a computer.

These applications not only support the PDF files,but they are also helpful for doing different kinds of editing and adding annotations like footnotes, explanations, highlighting some parts of the documents and others. However, all PDF supporting applications do not support performing such annotations in the documents. So we have collected some of the latest and updated PDF annotation applications for our readers. This list contains some of the most dynamic tools that can be used for doing different kinds of annotations required in various professions.

Here is a list of fifteen PDF annotating applications that is compatible with the operating system of different kinds of computing devices like iPad, iPhone, desktops with different operating systems and others. These applications can be downloaded and usedat free of cost. The tools present on this list can perform different kinds ofannotating functions,so chose the best one according to your need. If you are using any of these applications, please share with us the good and bad features as it will help others to make the best choice. Enjoy!!