Free online calculators and tools
Quick tools that work right in your browser: an online timer and stopwatch, flip a coin, spin the wheel, a random number generator, EMI, loan and compound interest calculators, time and hours calculators, a word unscrambler and public holidays 2026 for countries worldwide. Free, no sign-up.
Popular tools
- Online Timer with Alarm – 5, 10 & 15 Minute Countdown
Free online countdown timer: enter any time or tap a 5, 10 or 15 minute preset, get an alarm when time is up, remaining time in the tab. No sign-up.
- Flip a Coin – Heads or Tails, 1 to 100 Coins at Once
Flip a coin online: heads or tails, 1 to 100 coins per toss, live stats with share and longest streak. Fair cryptographic randomness, no sign-up.
- EMI Calculator – Home, Car & Personal Loan EMI in ₹
EMI calculator for home, car and personal loans in rupees: monthly instalment, total interest and total payment with a yearly or monthly amortization schedule.
- Time Calculator – Duration Between Two Dates and Times
Time duration calculator: how much time lies between two dates and times, in years, months, days, hours, minutes, seconds – plus weekdays Mon–Fri.
- Hours Calculator – Add Hours and Convert to Decimal
Add and subtract hours and minutes, convert decimal hours to hours:minutes (7.75 h = 7:45) and add a duration to a clock time – with conversion table.
- Stopwatch Online with Laps – to 1/100 of a Second
Free online stopwatch with lap times, fastest/slowest lap and copy-to-clipboard. Keeps running after switching tabs or reloading the page.
- Spin the Wheel – Free Custom Random Picker Wheel
Spin the wheel with your own names, numbers or ideas. Set adjustable odds, remove winners, share by link. Truly random, free, no sign-up.
- Random Number Generator – 1–100, No Repeats, Lottery
Random number generator: pick numbers between any two values, 1–100 or up to 1,000 at once, no repeats if you like. Powerball and EuroMillions presets.
Public holidays worldwide
- Public holidays in Germany – All Years & States
Public holidays in Germany 2025–2030, nationwide and for every state: all dates with weekday, countdown, long weekends and calendar download.
- Public Holidays Worldwide – Every Country, 2026 and 2027
Public holidays worldwide, country by country and region by region: every date with weekday, countdown, long weekends and a calendar download (.ics).
All tools by topic
Tax & Finance
- Compound Interest Calculator with Monthly Contributions
Compound interest calculator with monthly contributions, yearly increases and annual, quarterly or monthly compounding – plus a year-by-year growth table.
- German Real Estate Transfer Tax Calculator 2026 (16 States)
German real estate transfer tax calculator 2026: Grunderwerbsteuer for all 16 states instantly, with current rates and deduction for fitted kitchens.
- German VAT Calculator: add or remove 19% / 7% VAT
German VAT calculator: add VAT to a net price or remove it from a gross price at 19%, 7% or a custom rate – rounded to the cent, with formulas.
- Germany Property Closing Costs Calculator 2026
Germany property closing costs calculator: transfer tax by state, notary and land registry fees (GNotKG) and agent commission – every item listed.
- Loan Calculator – Monthly Payment & Amortization Schedule
Loan calculator for monthly payment, total interest and payoff time on personal, car or home loans – with extra payments and an amortization schedule.
Calendar & Time
- Countdown to a Date – Christmas, New Year, Days Until
Free countdown to any date: days, hours, minutes and seconds left until your event, live and updating every second – shareable as a link or embed.
- Pomodoro Timer Online – 25 Minutes Focus, 5 Minutes Break
Pomodoro timer in your browser: 25 min focus, 5 min break, long break after 4 rounds. Free, no sign-up, alarm sound, keeps running in background tabs.
- Work Hours Calculator with Lunch Break (Day & Week)
Free work hours calculator with lunch break: net hours worked per day or week, decimal hours for payroll, and overtime vs. your target hours.
- Working Days in Germany 2026 by State, with Holidays
Working days in Germany 2026: 252 to 254 depending on the state. Calculator with all public holidays, working days per month, 5- or 6-day week, plus 2027.
Words & Language
- Word Unscrambler: Unscramble Letters & Find Words
Free word unscrambler: type your letters and see every word you can make. Solves anagrams, handles blank tiles (?) and finds 5- or 7-letter words.
Random & Games
- Dice Roller – Roll a Dice Online, d4 to d20, up to 10 Dice
Online dice roller: roll 1–10 dice with 4, 6, 8, 10, 12 or 20 sides, d6 with dots, total, roll history and exact odds. Fair cryptographic randomness.
- Random Color Wheel – Spin to Pick a Random Color
Random color wheel: spin for one of 10 basic colors (10% each) or add your own. For kids’ games, drawing prompts and DIY Twister. Free, no sign-up.
- Random Country Wheel – Spin to Pick a Country
Spin a wheel with 40 countries from every continent for a random pick: geography quiz, travel inspiration or a world-themed game night. Free.
- Random Letter Generator – Spin a Letter Wheel A–Z
Random letter generator wheel for Scattergories and word games: A–Z or 23 letters without Q, X, Y, optional no repeats. Free, with rules and ideas.
- Random Name Picker – draw winners, shuffle, make teams
Random name picker, list randomizer and team generator in one: draw winners, shuffle for Secret Santa, or split fair teams. Free, no sign-up.
- Random Number Wheel – Spin 1–10, 1–100 or Any Range
Random number wheel: spin 1–10, or type 1–20, 1–50 or 1–100. Every number equally likely, optional no-repeat mode. Free for class, bingo and games.
- Random US State Generator – Spin the 50 States Wheel
Spin a wheel with all 50 US states for a random pick: geography quiz, road-trip idea or classroom game. Includes a capitals table, free, no sign-up.
- Truth or Dare Wheel – Generator with Questions & Dares
Spin a fair 50/50 truth-or-dare wheel and generator, with 15 questions and 15 dares for parties, sleepovers, couples and game nights.
- What Should I Eat? Food Wheel – Random Meal Picker
No idea what to cook? Spin the food wheel with 16 dishes – fully editable, weight your favorites, plan a whole week. Free, no sign-up.
- What Should We Do Today? Boredom Buster Wheel
A wheel with 16 cheap ideas to beat boredom – indoors and outdoors, 6.25% chance each. With tips for rainy days, families, couples and going solo.
- Workout Wheel – Spin Random Bodyweight Exercises
Workout wheel with 12 no-equipment exercises like push-ups, plank and squats, 8.33% chance each. With how-tos, beginner options and a routine.
- Yes or No Wheel – Free Online Decision Spinner
Spin a free yes or no wheel: 50/50, add "maybe" or your own weighting. Secure randomness, shareable by link, no sign-up.