Cart2Cart: Magento to WooCommerce Migration plugin to help perform automated and secure data import to WooCommerce effortlessly. The whole process is done via WordPress interface with no redirections.
Magento to WooCommerce migration with Cart2Cart enables you to transfer products, customers, orders with all corresponding information accurately within couple of hours. You don’t need any tech skills to make a qualitative switch from Magento to WooCommerce – just follow few steps, accompanied by the migration Wizard and your data will be automatically imported to WooCommerce. Replatforming via Cart2Cart will not harm your current Magento store performance – during actual eCommerce data migration it will stay available for purchasing (no downtime).
Full information here - https://en-gb.wordpress.org/plugins/cart2cart-magento-to-woocommerce-migration/