FiX3P is a Chrome extension designed for editing local X3P files directly within the browser. This tool enhances user experience by providing the capability to open X3P files using the "open with/open in" option from the file explorer, streamlining the workflow for users dealing with this specific file format. It also includes a hosted web application that demonstrates its functionality, making it accessible and user-friendly.

To utilize FiX3P effectively, users must complete setup instructions provided on the developer's website after installation. The extension is free to use and is categorized under add-ons and tools for browsers. It is important to note that any issues or feature requests can be submitted through the designated support channels.