The Reset Font Size plugin provides a convenient way to restore text and window zoom levels to a user-configurable default in Obsidian. It is especially useful for quickly correcting accidental zooming caused by mouse wheels, trackpads, or keyboard shortcuts. The plugin offers a sidebar button, a command palette option, and the ability to assign a custom hotkey for resetting the font size. This eliminates the need to navigate to Settings > Appearance for font adjustments, ensuring a faster and more seamless user experience.