This opencart extension Easy Product Import Pro allows you to import bulk products data by CSV or XML file under admin panel. It is very powerful import tool. You can import all products data including Options/Attributes using this.
It can import remote images and many other advance features.
It is a highly sophisticated tool, allowing you to import thousands of products very quickly. Since it creates changes in bulk, it is recommended to backup your store's database or test on a development environment before your live site.

Main Features:
1. Import Products by CSV or XML file.
2. Generate multiple category and their child category
3. Add Price to all
4. Import Remote Images
5. And Many More.

Demo : Import Pro Demo
demo / demo