JWT.io Layout Modifier is a Chrome extension developed by Orbit Studios. This free tool falls under the Browsers category, specifically as an Add-ons & Tools subcategory. The program aims to enhance the user experience on jwt.io by modifying container behavior to optimize space utilization for better readability.

With this extension, users can easily adjust column sizes within jwt.io to fit the entire screen, particularly useful when dealing with JWT tokens containing data that exceeds the default column dimensions. JWT.io Layout Modifier operates solely within the jwt.io page, requiring no external connections for tracking, ensuring user privacy and security.