Sterilization Timer – Online Boil Water Reminder for Pacifiers
Countdown timer with alerts for boiling pacifiers, bottles, or pump parts. Follow recommended times. Local audio alarm.
UD5 Toolkit
Perfect your homemade yogurt with precision timing, stage tracking, and smart scheduling.
Set when you want your yogurt ready, and we'll tell you when to start.
No batches yet. Start a timer and add it to the queue.
Countdown timer with alerts for boiling pacifiers, bottles, or pump parts. Follow recommended times. Local audio alarm.
Enter your altitude to adjust canning processing times or pressure. Prevent botulism. Based on USDA guidelines. Essential for home canners.
Generate a sample sleep schedule for babies 0-24 months based on age-appropriate wake windows. Nap count and bedtime suggestions. Educational reference.
Convert traditional cooking time to electric pressure cooker time. Reference chart.
Timer that reminds you to look at something 20 feet away for 20 seconds every 20 minutes. Customizable intervals and subtle sound/visual alerts.
Set a nap timer with optional gentle white noise or lullabies (Web Audio). Reminder to put baby down. Fully local, no ads.
Set a 20, 30, or 45‑minute countdown to simulate a technical interview. Hidden/unhidden. Boost your prep.
Log which family member takes which medicine and when. Reminders for next dose. Data stays local.
Set a recurring timer that reminds you to check your posture. Desktop notification with a gentle chime. Stay healthy.
Set recurring audio/visual reminders to check and correct sitting posture. Adjustable interval and notification style. Helps reduce back pain from desk work.
Tap any key to measure beats per minute. Displays average BPM and beat interval in milliseconds. Essential for DJs and music production. No extra permissions.
Tap key for 15 seconds, calculates BPM. Quick resting heart rate check. Manual, no hardware.
Visual and audio beat at 100‑120 compressions per minute. 30 compressions timer. For training and emergencies.
Wait for the box to turn green, then tap as fast as possible. Measure milliseconds. Compete with friends.
Convert volume and capacity units: gallon (US/UK), liter, milliliter, cup, and fluid ounce. Handy for cooking and science. Works entirely offline.
Log practice sessions, note the tunes played, metronome BPM, and duration. Monitor progress on the pipes.
Request and release a screen wake lock to keep the device awake. See the lock state in real time. Perfect for recipes or presentations.
Toggle a screen wake lock to prevent the device from dimming or sleeping. See the lock state and learn the API.
Enter completed chores/reading minutes to calculate earned screen time. Customizable rates. Local tracking.
Build a basic Nginx server block for a static site, reverse proxy, or PHP. Fill in the blanks and copy the config.
Tap any key to the beat of a song and the tool calculates the BPM. Also shows average and millisecond delay for loops.
See a live VU meter of your microphone's input level. Test if your mic is working and adjust gain. Privacy‑friendly.
A unique Sudoku puzzle generated for today's date. Four difficulty levels. Purely local logic.
Play a frequency sweep from 20Hz to 20kHz. See where your hearing cuts off. Headphones needed.
Understand teething order, typical symptoms, and safe relief methods. Charts and tips for new parents. Educational, not medical advice.
Pick target areas (neck, back, legs) and generate a 5‑min stretch routine with illustrated steps. Local.
Generate a bcrypt hash from a password with configurable salt rounds. Verify a password against a hash. Entirely client‑side.
Play pure tones at various frequencies to estimate your hearing range. Simple and educational.
Select an emoji that matches your mood and log it to a simple calendar. Self‑awareness tool. Local only.
Listen to and practice the international distress signal: three short blasts. Lifesaving knowledge.