Ultimate Wellness Micro-Apps

Three lightweight, high-impact tools for hearing safety, hand hygiene, and posture health—built in pure HTML and JavaScript.

1. Safe-Listening Dosimeter

Enter your listening volume (dB) and duration to see your safe exposure time before risking hearing damage.

Volume (dB): Elapsed Minutes: Calculate Safe Time Left

2. 20-Second Hand-Wash Timer

Press start and follow the countdown to ensure a WHO-recommended 20-second handwash.

Start 20s Hand Wash

Washes today: 0

3. Posture Micro-Break Scheduler

Set your work/break intervals and get periodic reminders with simple posture exercises.

Work Duration (minutes): Break Duration (minutes): Start Schedule

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