HexData Import & Export Users

It's an extension to HexData component. You need HexData to make it work. You can use it to add users to your Joomla database from a CSV file. You can also export your Joomla Users data into a CSV file using this extension. It's built specifically for Joomla Users, hence provides you a much simpler way to manage your users data. It can also be used to migrate your users Data from other components to Joomla Users table.