Hexadecimal Address Calculator is a free Chrome extension developed by hexdecadder. It falls under the category of Browsers and specifically the subcategory of Add-ons & Tools. This handy tool allows users to easily calculate the 8 digit hex sum based on a base hexadecimal address and an offset provided in either hexadecimal or decimal format.

With Hexadecimal Address Calculator, there is no need to manually convert decimal offsets to hex before plugging them into a calculator. The extension simplifies the process by accepting both hex and decimal inputs. Moreover, it even supports negative offsets, making it a versatile tool for embedded program debugging, such as in the Altera Nios II.

For any issues or suggestions, users can visit the project's GitHub page and raise issues or submit pull requests. The Hexadecimal Address Calculator is a valuable addition to any developer's toolkit, providing a convenient and efficient way to calculate hex sums for debugging purposes.