WebDataMaster is a highly efficient and practical Chrome extension developed by rxliuli. This free extension falls under the category of Browsers and belongs to the subcategory of Add-ons & Tools. With WebDataMaster, users can easily import and export local website data, including Cookies, localStorage, sessionStorage, and IndexedDB.

One of the main use cases of WebDataMaster is data backup and recovery. Users can effortlessly back up their local website data to prevent accidental loss. In case of any mishap, the backup data can be easily restored to the corresponding website whenever required.

WebDataMaster also proves to be invaluable for website developers. It provides the convenience of retrieving local cache, which aids in debugging and development. This feature allows developers to reproduce errors under specific conditions by accessing the local cache when users encounter errors.

Using WebDataMaster is simple. Just install the extension and on any website, open the right-click menu and select either "Export Data" or "Import Data". This user-friendly interface makes it easy for anyone to utilize the extension.

However, it is important to note that when restoring IndexedDB data, the database and tables must already exist, even if they are empty. This limitation is due to the IndexedDB API restrictions.

Overall, WebDataMaster is a valuable Chrome extension that offers users the convenience of exporting and importing website data. Whether it's for data backup and recovery or debugging and development purposes, WebDataMaster proves to be a practical tool.