ATR Calculator reads your attendance table and calculates how many ATR days you need each week — using the fewest days possible.
How it works: 1. Open your attendance portal and generate the monthly report 2. Click the extension icon 3. Hit Calculate ATR
Features: - Week-by-week breakdown with required vs actual hours - Donut chart showing percentage of hours logged - ATR priority recommendations (minimum days to cover shortfall) - Detects holidays, leaves, and weekends automatically - Shows days where ATR is already applied - Saves last report locally for quick access - Collapsible weekly cards with day-by-day details
Privacy: - No data collected or transmitted - No backend, no server, no accounts - Everything runs 100% locally in your browser
Note: Designed for a specific HRMS attendance table format. May not work with all portals.
