The Multi-line Formatting plugin for Obsidian allows users to apply formatting across entire selections of text, even if the selection spans multiple lines. The plugin offers customizable formatting styles, enabling users to apply different types of formatting in bulk, including bold, italics, and highlights. Users can define left and right formatting styles, skip headings, and toggle settings for formatting words when no text is selected. It also supports hotkeys for convenience. Although still in early stages, the plugin offers an easy way to format large text selections without the need to manually apply formatting line by line, improving workflow efficiency for users who deal with extensive note-taking.