Universal Decoder is a versatile Chrome add-on designed for developers, security researchers, and data analysts to decode various encoding formats quickly and efficiently. It automatically detects the encoding type of input text and provides options for manual selection, making it user-friendly for anyone dealing with encoded data. The tool supports a wide range of formats including URL, HTML entities, Base64, JWT, and more, ensuring comprehensive functionality for decoding tasks.

The add-on features an innovative Auto-Fetch mode that simplifies the process by automatically collecting localStorage, sessionStorage, and Cookies from the current webpage, allowing for instant decoding with a single click. Users can choose between three operational modes: Popup, Side Panel, and Standalone Window, catering to different user preferences and multitasking needs. With dark mode support, keyboard shortcuts, and local processing of data, Universal Decoder prioritizes user experience and privacy while enhancing productivity in decoding tasks.