There are many PDF apps that can help you open and view PDF files. Notwithstanding, to really make changes to your documents, you need something further developed, a much reliable tool to use. For instance, GogoPDF, a web-based PDF tool, will allow you to access its features to convert any file from one format to another, add e-Sign to your documents, add watermarks on your files, merge and split documents, and many more useful tools. Moreover, PDF converters simply take altering or modifying your file to a higher level. These web-based or downloadable tools that you need to install ...Read more
