Amasty Generate and Import Coupons Magento 2 Extension | FireBear
GitHub - ulmod/magento-2-coupon-codes-import: Magento 2 Coupon Codes Import allows you to easily import an unlimited number of promo/coupon codes at once via text, CSV files as well as plain-text. Transfer promo/coupon codes
Bulk coupon import extension for Magento
Plugin Company Bulk Coupon Import Magento 2 Extension | FireBear