ATR Calculator 제작자: Jorav

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.