Dates & Anniversaries
4Anniversary Countdown & Memorial LedgerKeep an anniversary and memorial ledger — add any name plus a date (optionally repeating every year) and instantly see the next occurrence and how many days remain. Records are stored locally in your browser with individual copy / delete and clear-all.Life Calendar — Days Lived CalculatorEnter your birth date and an expected lifespan to see exactly how many days, weeks, months and years you have lived, plus your overall life progress bar. Key milestones — 10,000 days, 20,000 days, 50th birthday and more — are listed with their dates so you can plan ahead.Lunar Calendar & Solar Terms ConverterConvert between the Gregorian (solar) calendar and the Chinese lunar calendar for any date from 1900 to 2100, and see the year ganzhi (stem-branch), Chinese zodiac and whether the day is a solar term. The full 24 solar terms table of the selected year is shown for reference.Love Anniversary & Relationship Days CounterEnter the day you got together to see exactly how many years, months and days you have been together, and get the dates of upcoming relationship milestones — 100 days, 1 year, 500 days, 1000 days, 1314 days, 5200 days. The annual sweet-hearts calendar (13 romantic days from Jan 14 to Dec 14) is included for planning surprises.
Money & Splitting
4Expense Ledger — Simple Money TrackerA lightweight local expense and income ledger: enter amount, type (income/expense), category and a note, then watch the running total of income, spending and balance update instantly. Records stay in your browser — nothing is uploaded. Categories cover food, transport, housing, shopping, entertainment and more.AA Bill Splitter — Split & SettleSplit a bill evenly among any number of people, or enter how much each person already paid to see exactly who owes whom and who gets money back. Per-person share, needs-to-pay and refund amounts are calculated instantly — great for dinners, trips and shared rent.Promotion Mix Calculator — Discounts & CouponsStack full-reduction (spend X save Y), discount percentage and coupon amount in one calculation: enter the original price, threshold, cut and coupon to get the final payable, or use the discount tab for percentage-off and multi-item orders. Shows exactly how each promo applied.Utility Bill Splitter — Even or By UsageSplit water, electricity or gas bills evenly among roommates, or by actual usage: enter the total fee and the number of people for an equal share, or enter each person's usage to split proportionally. Shows each person's share rounded to cents.
Habits & Focus
4Focus Timer — Deep Work CountdownA clean focus timer for deep work: pick a 25 / 45 / 90 minute session (or set your own), press start and work without distractions. The ring shows progress, sessions that finish are recorded in your local history, and a gentle tone lets you know the session is over.Habit Tracker — Daily Check-inTrack habits with one tap a day: add habits like exercise, reading or early rising, tap today's check-in to build your streak. Your habit list stays in the browser, streaks are counted automatically, and every check-in is saved to recent records.21-Day Plan — Three Weeks to a New HabitPlan a 21-day challenge: set a goal and a start date, check in once a day, and watch the progress bar fill. The plan is stored in your browser; every daily check-in is also saved to recent records.Priority Matrix — Eisenhower QuadrantsSort tasks into the four Eisenhower quadrants — important & urgent, important not urgent, urgent not important, neither. Paste one task per line, save, and follow the suggested order: do, schedule, delegate, delete.
Home & Household
2Electricity Cost Calculator — Appliance Power UsageEstimate your monthly electricity bill: add appliances with their wattage, quantity and daily running hours, set your local electricity price, and see total kWh and cost instantly, with a per-appliance breakdown.Renovation Budget Calculator — Cost Per Square MeterEstimate your home renovation budget: enter the floor area and pick a standard (simple, mid-range or premium), and get a total estimate plus a typical split between hard decoration, soft furnishing and appliances.
Travel & Driving
1Family & Pets
3Baby Age Calculator — Months & Days Since BirthCalculate your baby's exact age: enter the birth date and instantly get years, months and days, total days since birth, month age, and the current developmental stage (newborn, infant, toddler, preschooler).Pet Age Calculator — Cat & Dog Years to Human YearsConvert your pet's age into human years: pick cat or dog (small, medium, large breed) and enter the age — get the equivalent human age using the standard first-two-years + per-year rule.Pet Food Amount Calculator — Daily Feeding GuideEstimate how much to feed your cat or dog per day: choose cat or dog, enter the weight, and get a daily dry-food range in grams, plus feeding frequency guidance.
