File extensions

A styled subtitle format that became the de-facto standard in anime fansubs and VOCALOID MVs. Descends from the original SSA and supports rich typography.

Runtime text output from apps and servers. The first place incident responders and admins look when something goes wrong.

Markdown source. A lightweight markup language used by GitHub READMEs, static site generators, and most technical blogs.

The simplest possible text file, with no formatting. Works everywhere, and is the default for logs and quick notes.