All Tools
25 free tools — find exactly what you need.
BMI Calculator
Calculate your Body Mass Index instantly. Free BMI calculator with metric and imperial units.
CalculatorAge Calculator
Calculate your exact age in years, months, days, hours and minutes from your date of birth.
CalculatorLoan EMI Calculator
Calculate your monthly loan EMI, total interest, and amortization schedule for any loan.
CalculatorPercentage Calculator
Calculate percentages, percentage change, percentage of a number — fast and accurate.
CalculatorTip Calculator
Quickly calculate tip amount and split bills among friends. Free tip calculator.
GeneratorPassword Generator
Generate strong, secure, random passwords. Customize length and character types.
GeneratorUUID Generator
Generate random UUID v4 identifiers instantly. Bulk UUID generator for developers.
GeneratorQR Code Generator
Create free QR codes for URLs, text, WiFi, and more. Download as PNG instantly.
GeneratorLorem Ipsum Generator
Generate Lorem Ipsum placeholder text for your designs and mockups.
TextWord Counter
Count words, characters, sentences and paragraphs in your text. Free word counter.
TextCase Converter
Convert text to uppercase, lowercase, title case, sentence case, camelCase and more.
TextText Reverser
Reverse text, words or lines instantly. Free online text reverser.
ConverterUnit Converter
Convert length, weight, temperature, area, volume — universal unit converter.
ConverterCurrency Rate Reference
Reference exchange rates between major world currencies (illustrative).
DeveloperColor Converter (HEX/RGB/HSL)
Convert colors between HEX, RGB, and HSL formats. Free color picker tool.
DeveloperJSON Formatter & Validator
Format, beautify and validate JSON data instantly. Free JSON tool for developers.
DeveloperBase64 Encoder / Decoder
Encode and decode Base64 strings instantly. Free online Base64 tool.
DeveloperURL Encoder / Decoder
Encode and decode URL strings (percent encoding) instantly.
HealthCalorie Calculator (TDEE & BMR)
How many calories do you need per day? Free TDEE + BMR calculator with lose, maintain and gain targets — Mifflin-St Jeor formula.
HealthIdeal Weight Calculator
Find your ideal weight for your height using the healthy BMI range plus Devine, Hamwi and Robinson formulas. Free, instant, no signup.
HealthBody Fat Calculator (Navy Method)
Estimate body fat percentage with the US Navy tape method — neck, waist and height. The metric BMI can't measure.
HealthWater Intake Calculator
How much water should you drink per day? Calculate daily water intake from your weight and exercise minutes.
CalculatorRunning Pace Calculator
Calculate running pace per km and per mile, plus predicted 5K, 10K, half marathon and marathon finish times.
ConverterRecipe Scaler (Halve or Double Any Recipe)
Scale every ingredient in a recipe at once — halve, double, triple or use any factor. Free recipe multiplier for cooks and bakers.
ConverterHeight Converter (Feet + Inches ↔ cm)
Convert height between feet + inches and centimeters. Enter 5'9" and get cm instantly — the correct two-field height converter.