Flex Subnetting - Subnet Calculator is a Chrome add-on that provides a comprehensive solution for calculating, planning, and managing complex subnets. Designed for Cloud Solution Architects and Network Engineers, this tool supports Classless Addressing (VLSM) and offers a range of features to streamline subnet calculations.

With Flex Subnetting, you can automatically tag subnets as public or private, customize the theme to suit your preferences, and export subnet data to CSV format for further analysis. The program also allows you to save and load projects, making it easy to revisit and modify subnet configurations.

One standout feature of Flex Subnetting is the split and merge preview, which provides a visual representation of how subnets can be divided or combined. This allows users to optimize their network configurations and ensure efficient allocation of IP addresses.

Please note that while every effort has been made to ensure the accuracy and functionality of Flex Subnetting, the developer, Eddy Kwok, is not responsible for any errors or omissions. The tool is provided "as is" without any guarantee of completeness or accuracy.