Magento 2 One Step Checkout Extension :
https://www.magetop.com/magento-2-one-step-checkout-extension.html
Magento 2 One Step Checkout extension by MageTop helps reduce the abandonment rate as well as increase the conversion rate dramatically. Ignore the back and forth that are the redundant motions when standing on your site.
One Step Checkout For Magento 2 Features :
- Optimized Checkout page.
- Supports nearly 100% Payment, Shipping methods.
- Compatible out-of-the-box with the 3rd-party modules.
- Allows/Supports Gift Wrap, Gift Message.
- Allows/supports leaving comments and setting delivery time.
- 100% Open-source, Support multi-store, Support multi-language.
- Easy to install and customize.
- And many more Features ...