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Keep track of your most important deadlines, milestones, and personal events right from your browser. "Special Day Counter" is a lightweight, productivity-focused extension designed to help you monitor specific dates without any unnecessary clutter.

Whether you are tracking a critical project deadline, a scheduled timetable event, or a personal anniversary, this tool instantly calculates the exact number of days remaining or the days that have already passed.

Key Features:

Instant Calculation: Simply input an event name and select a date to instantly see the days left or elapsed.

Offline & Secure: Privacy is our priority. Your schedule and event data are securely saved locally on your device using Chrome's native local storage. We do not use external databases, and no user data is ever tracked, collected, or sent to third-party servers.

Minimalist Interface: A clean, fast, and distraction-free popup design that gives you the exact information you need at a single glance.