Computers

These conventions seem to be a de facto standard in plain text, especially email and (most Usenet) newsgroups.

Plain text to HTML converter, relying on standardised but natural formatting syntax in the plain text.

Utility that can convert MS Word binary format (DOC), Rich Text Format (RTF), OpenDocument and Office Open XML documents to plain text. Converting documents to plain text, processing annotations and metadata. Free and open source.

An online tool allowing users to perform quick text formatting operations which would not be possible in Notepad.

Explanation of the representations of new lines used in text files by different computer systems, and how to convert between them.

Encyclopedia article about the file format, including applications and encoding details.