UD5 Toolkit
Smoke Detector Battery Reminder – Online 6‑Month Alarm
Set a reminder to change smoke detector batteries every 6 months. Optional sound alert and visual countdown. Local browser notification, stay safe.
Tag: Online Reminder & Alarm
6+ toolsReapply Sunscreen Reminder – Online Timer for Outdoor Play
Set interval reminders to reapply sunscreen every 2 hours (or custom) with sound and notification. Protect kids' skin.
Posture Reminder - Online Sit Straight Alert & Timer
Set recurring audio/visual reminders to check and correct sitting posture. Adjustable interval and notification style. Helps reduce back pain from desk work.
Plant Watering Reminder - Online Houseplant Care Scheduler
Set watering schedules for multiple plants with visual alerts. Shows which plants need water today based on last watered date. Data stored locally.
Posture Reminder Timer - Online Sit Up Straight Alert
Set a recurring timer that reminds you to check your posture. Desktop notification with a gentle chime. Stay healthy.
Custom Reminder Pad - Online Simple Alarm Notes
Write a short note and set a specific time for a browser notification reminder. Great for quick one‑offs. Local.