A collection of 75+ free online tools. No signup required. 100% Client-side.
Supports metric & imperial. Visualize your range. 100% private.
Calculate BMI for children and teens (ages 2-19) based on CDC guidelines.
Calculate BMI for teenagers (ages 13-19) based on age and gender.
Check your child's BMI percentile range. Local and private.
Tailored BMI screening for women. Local, private, and no signup required.
Calculate BMI for men. Considers muscle mass. 100% private.
Calculate your daily calorie needs and set a deficit for weight loss. 100% private.
Find your ideal weight range based on your height and gender. Local and private.
Calculate monthly payments, total interest, and payoff schedule locally.
Calculate your investment growth and total interest locally.
Convert hourly wage to yearly, monthly, and weekly pay. Supports overtime.
Real-time exchange rates for USD, EUR, GBP, and more. 100% private.
Calculate tip, total bill, and split the bill instantly. 100% private.
Calculate date differences and add/subtract days instantly. 100% private.
Calculate your monthly payment, total interest, and payoff schedule.
Calculate your monthly payment, total interest, and payoff schedule.
Calculate your monthly payment, total interest, and payoff schedule.
Calculate your monthly payment, total interest, and payoff schedule.
Calculate your monthly payment, total interest, and payoff schedule.
Calculate monthly payment, total interest, and view a dynamic visual chart.
Calculate your monthly payment, total interest, and payoff schedule.
Calculate your monthly auto loan payment, total interest, and payoff schedule.
Calculate your Debt-to-Income ratio to see if you qualify for a loan.
Estimate the true annual percentage rate of your loan.
Estimate your monthly car payment and total interest instantly.
Calculate payments, extra payment savings, and view a full amortization chart.
Estimate financing with down payment & trade-in support. Real-time charts.
Create QR codes for any text or URL. 100% local, no signup required.
Create strong, random passwords instantly. 100% Client-side.
Convert length and weight units instantly. No signup required.
Find your exact age in years, months, and days.
Count words, characters, and sentences in real-time.
Easily switch between upper, lower, and title case.
Track your daily spending locally. No signup required.
Calculate perfect video and image aspect ratios instantly.
Pick colors and get HEX, RGB, HSL codes instantly.
Convert dog years to human years instantly.
Convert cat years to human years instantly.
Convert Labrador years to human years instantly.
Calculate monthly payments, total interest, and amortization schedule. 100% private.
Calculate percentages instantly.
Can't decide? Let the wheel choose for you.
Check your password security instantly.
Extract color palettes from images to CSS variables.
Convert HSL colors to HEX with alpha instantly.
USD to EUR | USD to CNY | USD to INR | EUR to USD | GBP to USD
$20 an Hour | $25 an Hour | $32 an Hour | $35 an Hour | Overtime Pay Calculator
15% Tip | 18% Tip | 20% Tip | Split Bill Calculator | Tip on $20 | Tip on $50 | Tip on $100 | Tip on $200
$10,000 Loan | $15,000 Loan | $20,000 Loan | $25,000 Loan | $30,000 Loan | $50,000 Loan | $100,000 Loan | DTI Calculator | APR Calculator | Auto Loan Calculator | Student Loan Calculator | Boat Loan Calculator | Date Calculator | Days Between Dates | Add Days to Date
Lihayo Tools is a collection of free, online web utilities designed to make your daily life easier. Whether you need a pro BMI calculator, a CDC child BMI calculator, a teen BMI calculator, a BMI percentile calculator, a BMI calculator for women, a BMI calculator for men, a TDEE & calorie deficit calculator, an ideal weight calculator for women, a local mortgage calculator, a compound interest calculator, a hourly to salary converter, a real-time currency converter, a tip and split bill calculator, a date difference calculator, a local QR code generator, a unit converter, a password generator, or a local expense tracker, we have a tool for you. All of our tools are 100% free, require no registration, and do not store your personal data.