Baby Nap Timer – Online Reminder & Soothing Sounds
Set a nap timer with optional gentle white noise or lullabies (Web Audio). Reminder to put baby down. Fully local, no ads.
UD5 Toolkit
Select your baby's age to see which teeth are erupting, what symptoms to expect, and how to help.
Chilled teething rings, cold spoons, or refrigerated (never frozen) washcloths. Cold numbs gums safely.
Use a clean finger to gently rub sore gums. Counter-pressure relieves discomfort effectively.
Gently pat excess drool away. Apply a barrier cream to prevent chin and cheek rashes.
Extra snuggles, quiet playtime, or a change of scenery can shift focus away from discomfort.
If eating solids, chilled cucumber sticks or peeled apple slices (supervised) provide natural relief.
Acetaminophen or ibuprofen (6+ mo) may help. Always consult your pediatrician first. Avoid benzocaine.
This tool is for educational reference only. Always consult your pediatrician for medical advice.
Set a nap timer with optional gentle white noise or lullabies (Web Audio). Reminder to put baby down. Fully local, no ads.
Enter baby's weight in lbs or kg to see suggested diaper sizes across major brands. General reference, no data collected.
Estimate ovulation day and fertility window from last menstrual period. Displays probable conception dates. Informational only; processes locally in browser.
Log daily sleep to see cumulative sleep debt or surplus over weeks. Visualizes chronic sleep loss trends. Stores data locally in your browser only.
Estimate bulb mode exposure time needed for different light sources and distances. Experimental photography aid.
Select month and get a to‑do list (clean gutters, check weatherstripping). Local storage, printable.
Log your daily mood and view trends on a calendar. Encourages mindfulness. Data stored only in your browser's localStorage for complete privacy.
Enter your bird species and weight to find the correct harness size. Visual adjustment guide.
Estimate due date from last menstrual period or conception date. Uses Naegele's rule and shows week-by-week milestones. Local calculator for informational use.
A digital sticker board where kids can place virtual stickers for completed chores or goals. Encourages positive behavior with no paper waste.
Set a recurring timer that reminds you to check your posture. Desktop notification with a gentle chime. Stay healthy.
Enter rolls remaining and household size to estimate weeks of supply. A humorous yet practical aid.
Enter total balance and limit to see utilization percentage. See how it affects credit score bands.
Enter child's stats and compare to typical rear-facing, forward-facing, and booster seat requirements. Reference tool.
Reference for standard blanket and afghan sizes in inches and cm. Perfect for knitters and crocheters.
Estimate monthly mortgage payments with amortization schedule. Input loan amount, interest rate, and term. All calculations performed securely on your device.
Build good habits by tracking daily completions. Visualize streaks and progress. Pure browser storage keeps your habit data private and offline-capable.
Enter desired pom-pom diameter to estimate yards needed and number of wraps. Quick craft math.
Enter head circumference to get crown diameter and length. Perfect fit top‑down hats.
Collect popular old wives' tales (Chinese gender chart, ring test, cravings) for a purely-for-fun gender prediction. No scientific claims. Local only.
Measure your waist‑to‑hip ratio and learn about associated health risks. WHR interpretation. Educational only.
Answer a short questionnaire based on common deferral criteria (travel, medication, tattoos) to see if you may be eligible to donate blood. Educational only.
Enter number of children and see estimated cups, plates, party favors needed. Quick planning tool for birthday parties.
Approximate monthly child support obligation based on both parents incomes and number of children. Uses simplified model for educational reference. Not legal advice.
Plot your child's height and weight on WHO growth charts over time. Data saved locally for privacy. Visualise growth trajectory.
Enter appliance loads and battery capacity to estimate how long your RV can run without recharging. Local simulation.
Enter your height and riding style to get a recommended stance width and binding angles. Centered and balanced.
Compare renting to buying a home by entering price, rent, interest, and years. See which saves more. Simplified model.
Measure the integrated loudness of an audio file in LUFS and RMS. Check if your music meets streaming platform standards. Client‑side.
See how extra monthly or lump‑sum payments reduce your mortgage term and total interest. Dynamic chart. All local calculation.