Popular Tools

Simplified & Traditional Chinese Converter

Accurately convert between Simplified Chinese, Standard Traditional, Taiwanese Traditional, and Hong Kong Traditional Chinese. Supports custom dictionaries.

Age Calculator (Western, Chinese & Lunar)

Enter your birth date to instantly calculate your exact age, traditional Chinese age, and total days alive, plus find your Chinese zodiac, horoscope, and lunar birthday.

Chinese to Pinyin Converter

Convert Chinese characters (Hanzi) to Pinyin with tone marks or numbers. Features smart polyphone recognition and a dedicated name mode.

Random Phone Number Generator

Generate a formatted random phone number by country, region, carrier, or prefix for software testing, demos, and sample data.

Random Chinese Name Generator

Bulk generate random Chinese names by gender, length, and surname for novels, games, and character design.

Creatinine Clearance (CrCl) Calculator

Estimate creatinine clearance (CrCl) with the Cockcroft–Gault equation using age, weight, sex, and serum creatinine.

100 Day Calculator (Baby's Hundred Days)

Enter your baby's birth date to instantly view the Gregorian and Lunar dates, as well as the day of the week, for their one-month, 100-day, and first birthday milestones. Perfect for planning your celebrations.

Random Decimal Generator

Generate random decimals with a specified range, decimal places, and quantity. Ideal for data analysis, simulation experiments, and more.

Bazi to Gregorian Calendar Converter

Free online two-way converter for Gregorian dates and Bazi (Four Pillars of Destiny). Supports Ziwei and Ziping school Rat hour (Zi hour) rules for accurate Chinese astrology calculations and calendar conversions.

PX to REM Converter

A bidirectional PX to REM converter for front-end developers and designers, featuring customizable root font sizes.

Noise Detector

Measure environmental noise decibel levels in real-time using your device's microphone. Evaluate noise levels at home, in the office, or in public spaces to protect your hearing.

Lunar and Solar Calendar Converter

A tool for converting dates between the lunar and solar calendars. It supports lunar leap months and is ideal for looking up holidays, birthdays, or historical dates.

Fuel Consumption Calculator

Calculate key data like fuel consumption per 100km (L/100km) and cost per kilometer based on your driving distance, fuel volume, and gas price.