The Remove Newlines plugin simplifies text editing in Obsidian by adding actions to remove newlines and blank lines from text. Users can process selected text or clipboard content to eliminate unnecessary formatting issues, such as word-break hyphenation and consecutive whitespace. The plugin provides multiple ways to execute these actions, including the right-click context menu, keyboard shortcuts, and the command palette. Users can customize settings for text handling and add personalized hotkeys for convenience, ensuring a streamlined and efficient editing experience.