The SSC RAILWAY EDUQUITY Answer Key Marks Calculator is a Chrome extension designed to assist students in calculating their exam scores from DigiAlm and Eduquity answer keys. This tool is particularly useful for aspirants of various competitive exams, such as SSC and Railway tests. It offers customizable marking schemes, allowing users to set their own positive and negative marks according to specific exam requirements. Additionally, the extension includes presets for popular exams, making it easy to use without extensive setup.

In terms of performance analysis, the calculator provides an instant full-screen results view, section-wise breakdowns, and visual performance mini-charts. It features advanced filtering options for reviewing questions based on their status, as well as utilities for managing answer key links. The extension prioritizes user privacy by processing all data locally on the device, ensuring that no information is sent to external servers.