The PDF file format has great support for text and video, as well as an efficient file size, making it a great format for all kinds of documents and data. It’s also excellent for preserving the ...

Tax Exchange Format, or TXF, is an extension for files containing tax-related data such as income, expenses and stock transactions. This standard file format is supported by several financial software ...

The best free PDF reader apps do more than just act as a PDF viewer - any modern browser can do that. What I'm looking for is tools that go beyond that, offering commenting, collaboration, and ...