Collection of the Most Practical Free Online Tools

Providing convenient, fast, and efficient tools to meet your needs anytime!


Finance & Investment


Mortgage Calculator


Provides a mortgage calculator including principal and interest repayment, principal-only repayment, and more.

Go to Use

Car Loan Calculator


Enter loan amount, interest rate, and term to instantly calculate monthly payments, total repayment, and total interest.

Credit Card Installment & Interest Calculator


Calculates credit card installment payments and revolving interest.

Credit Loan Calculator


Enter loan amount, interest rate, and term to instantly calculate monthly payments, total repayment, and total interest.

Compound Interest Calculator


Easily calculate the future value of regular investments or compound interest.

Metaphysics & Date


Lunar Calendar


Quickly check daily auspicious times, solar terms, astrology, and more.

Lunar-Gregorian Converter


Enter a Gregorian or lunar date to convert between them.

Astrology Chart Calculator


Analyze your birth chart to understand your rising sign, houses, and planetary positions.

Date Calculator


Calculate dates by adding or subtracting days.

Health & Sports


Sleep Time Calculator


Accurately calculate the best sleep and wake-up times.

Pace Calculator


Calculate running or cycling race paces with detailed recommendations.

RM Calculator


A tool for athletes to calculate their one-rep max.

Chronic Prescription Calculator


Enter your visit date and interval to determine the next prescription refill date.

Text & Symbols


Emoji Symbols


Provides various emojis for chatting fun.

Special Symbols


Offers a variety of special symbols for text editing.

Kaomoji (Facemood)


Provides a variety of kaomoji for more expressive chatting.

Simplified-Traditional Converter


Convert between simplified and traditional Chinese characters.

Case Converter


Easily convert text between uppercase and lowercase.

Word Count Tool


Enter text to get statistics on word count, characters, and lines.

Number to Uppercase Converter


Convert Arabic numbers to uppercase Chinese numerals.