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.
UD5 Toolkit
Gentle nap countdown with soothing sounds to help your little one drift off peacefully.
Set a recurring timer that reminds you to check your posture. Desktop notification with a gentle chime. Stay healthy.
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 your daily mood and view trends on a calendar. Encourages mindfulness. Data stored only in your browser's localStorage for complete privacy.
Log daily sleep to see cumulative sleep debt or surplus over weeks. Visualizes chronic sleep loss trends. Stores data locally in your browser only.
Find the optimal goβtoβsleep or wakeβup times based on 90βmin sleep cycles. Wake up between REM cycles and feel refreshed.
Select month and get a toβdo list (clean gutters, check weatherstripping). Local storage, printable.
Enter total balance and limit to see utilization percentage. See how it affects credit score bands.
Understand teething order, typical symptoms, and safe relief methods. Charts and tips for new parents. Educational, not medical advice.
Enter desired pom-pom diameter to estimate yards needed and number of wraps. Quick craft math.
Use your device microphone to measure approximate sound pressure level in dB. Not calibrated, for rough reference. Local only.
A digital sticker board where kids can place virtual stickers for completed chores or goals. Encourages positive behavior with no paper waste.
Boost your productivity with the Pomodoro technique. Customizable work and break intervals with desktop notifications. Simple, clean, and works offline.
Enter child's stats and compare to typical rear-facing, forward-facing, and booster seat requirements. Reference tool.
Enter appliance loads and battery capacity to estimate how long your RV can run without recharging. Local simulation.
Enter your bird species and weight to find the correct harness size. Visual adjustment guide.
Select meat type and enter weight to get recommended cooking time and temp. Built-in timer with alarm.
Reference for standard blanket and afghan sizes in inches and cm. Perfect for knitters and crocheters.
Calculate total work hours and pay from time-in/out entries. Supports overtime and breaks. Generate a printable timesheet. All local.
Calculate your Basal Metabolic Rate using the MifflinβSt Jeor equation. Know how many calories you burn at rest. All data private.
Measure your waistβtoβhip ratio and learn about associated health risks. WHR interpretation. Educational only.
Enter wallet size and get the exact length of duct tape strips needed to build a sheet. DIY crafting.
Plot your child's height and weight on WHO growth charts over time. Data saved locally for privacy. Visualise growth trajectory.
See your current notification permission status. Request or reset it. Test browser notification behavior.
Estimate monthly mortgage payments with amortization schedule. Input loan amount, interest rate, and term. All calculations performed securely on your device.
Enter number of children and see estimated cups, plates, party favors needed. Quick planning tool for birthday parties.
Add a list of time intervals (hh:mm) and get the total duration instantly. For timesheets or music playlists.
Calculate the exact number of days, weeks, months, and workdays between two dates. Visual calendar highlights. Perfect for projects.
Speak into the mic and see a live transcript with word count. Uses the Web Speech API. Nothing is stored.
See how extra monthly or lumpβsum payments reduce your mortgage term and total interest. Dynamic chart. All local calculation.