All Tools
Curated online tools, organized by category for easy discovery
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Tip Calculator
Calculate tip, total and per-person share with custom tip rate and party size.
Fuel Cost Calculator
Calculate trip fuel cost from distance, consumption and fuel price.
Calorie Calculator
Calculate daily calorie needs from weight, height, age and activity level.
Countdown Timer
Online countdown timer with custom hours, minutes and seconds, alarm on finish.
Pomodoro Timer
Pomodoro technique timer with 25-min focus and 5-min break cycles. Customizable.
Stopwatch
Online stopwatch with start, pause, lap and reset. Millisecond precision.
Discount Calculator
Calculate discounted price and savings. Supports percentage and amount-off modes in real time.
Dice Roller
Roll multiple dice with custom faces online. Fair random results for games and draws.
Random Team Generator
Randomly split a list of names into teams with custom group size or count.
Date Difference Calculator
Calculate days, weeks, months and years between two dates. Supports any date range.
Loan Calculator
Calculate monthly payments for equal principal and interest
Percentage Calculator
Various percentage calculations
BMI Calculator
Calculate Body Mass Index and health level
Age Calculator
Calculate exact age in years, months, days
Online Calculator
A multifunctional online calculator supporting basic operations, scientific calculations, and percentage calculations, with a clean and clear interface.
Random Number Generator
Online random number generation tool, supports generating integers or decimals within a specified range, and can batch generate non-repeating random number sequences.
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