Injection Site Rotation Calendar – Online Abdomen, Thigh, Arm
Plan insulin or other injection sites with a visual body map and date log. Prevent lipohypertrophy.
UD5 Toolkit
Plan insulin or other injection sites with a visual body map and date log. Prevent lipohypertrophy.
Convert dates between Hijri and Gregorian using the Umm al‑Qura algorithm. Approximate local moon sighting may vary.
Commit to 30 days of gratitude. Write 3 things each day, see progress. Data stays local. Mood boost habit.
Shows today's moon phase, age, and percent illuminated. Simple visual display. Works offline.
Log floor time minutes for small pets. See weekly average. Ensure enough exercise. Local storage.
Log leftovers with date stored and set visual alerts when they need to be eaten. Reduce food waste. Local storage.
Record feeding times, side (left/right for nursing) or oz for bottle. Track daily patterns. Data stays in your browser. Simple newborn helper.
Track odometer readings, distance, fuel fill-ups and compute MPG/L/100km. Data stored in localStorage. Simple expense summary for tax or budgeting.
Track days of sobriety with a motivational counter and milestone celebrations. Set quit date and see time elapsed in days, hours, minutes. Private & local.
Track daily mood with emoji selection and optional notes. See weekly/monthly mood trends in a color-coded chart. All data stored privately in localStorage.
Log daily sleep to see cumulative sleep debt or surplus over weeks. Visualizes chronic sleep loss trends. Stores data locally in your browser only.
Log the hours you slept each night and rate the quality. See a weekly bar chart. Local storage.
Shows a counter of how many seconds you have been idle. Tracks mouse and keyboard activity without recording.
Keep track of a tennis match: points, games, sets, and deuce. Supports tiebreak. Great for friendly matches. Local.
Keep a simple list of movies you want to watch. Add notes and check them off. Purely local storage.
Add book titles and authors to a to‑read list. Move them to 'finished' and add a rating. Data saved locally.
Tap a glass icon each time you drink a cup of water. See your daily intake. Reminders optional. Local storage.
Pick a color for each day's mood and see a month‑at‑a‑glance heatmap. Data stored locally. A private emotional log.
Log neck, chest, waist, hip, and limb measurements over time. See changes on a chart. All data stored locally.
Enter any date and get the ISO week number. Also shows start and end of that week. Handy for project planning.
Convert between Gregorian and Hijri (Islamic) dates. Approximate visual reference. Local algorithm.
Convert a Gregorian calendar date to its Julian Day Number and vice versa. Used in astronomy and mainframe computing.
See the International Space Station’s current position on a world map in real time. Uses public API. No refresh.
View the moon phase for any date in past or future. See full moon dates and eclipses for a given year.
Track your subscriptions, calculate monthly and yearly totals, and find savings by pausing unused services. Local data.
Add plants and track when you last watered them. Get a simple visual alert when it's time to water. Local storage.
Enter a year to check if it is a leap year. Shows the rule explanation and next/previous leap years. Simple reference.
View recent earthquakes worldwide on a map. Fetches public USGS GeoJSON feed directly from browser. Real-time data.
Log your coin collection with year, mint, and grade. Filter and sort. Data stored in localStorage. For numismatists.
Log your assets and liabilities to calculate your net worth over time. Data saved only in your browser for security. Simple and clutter-free.