All Tools

47 free tools — pick any category

Health & Fitness

⚖️BMI CalculatorBody Mass Index

Everyday Utilities

🎂Age CalculatorExact age in years, months, days 🧍Height ConverterFeet to CM 🏛️Roman NumeralsRoman ⇄ Decimal 🔳Aspect RatioScreen dimensions 📅Date CalculatorDays between dates 🌍World ClockGlobal time zones 🔗One-Time LinkSelf-destruct message 📱QR Code GeneratorCreate QR codes 🔒Password GeneratorSecure passwords ⏱️StopwatchTimer & stopwatch

Finance & Money

💰Currency ConverterLive exchange rates ₿Crypto ConverterBTC, ETH to fiat ％Percentage CalculatorCalculate percentages 🏷️Discount CalculatorSale price calculator 💼Salary CalculatorAnnual to hourly 🏦Simple InterestInterest calculator 📈Compound InterestInvestment growth 📊GST CalculatorIndia GST rates 📈Profit CalculatorROI & margin 🏠EMI CalculatorLoan EMI 🍽️Tip CalculatorSplit bill & tip 🧾Invoice GeneratorAny currency · Print PDF

Developer Tools

💻JSON FormatterFormat & validate JSON 🎨Color ConverterHEX, RGB, HSL 0️⃣Binary TranslatorText ⇄ Binary 🔢Number BaseBinary, Hex, Decimal 💾File SizeBytes to TB 🔐Base64 EncoderEncode & decode #️⃣Hash GeneratorSHA-256, SHA-512 🆔UUID GeneratorRandom UUID v4 🔗URL EncoderEncode & decode URLs

Science & Units

📏Unit ConverterLength, weight, temp ⚡Energy ConverterJoule, kWh, Calorie 🔌Power ConverterWatt, HP, kW 🌡️Pressure ConverterBar, PSI, Pascal

Image Tools

🖼️Image ConverterJPG, PNG, WEBP

Text & Language

📝Text ToolsCase, count, transform 📄Lorem IpsumDummy text generator 🗣️Translator50+ languages 🔊Text to SpeechListen to text 📊Word CounterWords, chars, reading time

Markdown Tools

📝Markdown EditorLive preview editor 🔄Markdown to HTMLConvert MD to HTML ↩️HTML to MarkdownConvert HTML to MD 📊Markdown Table GeneratorBuild MD tables visually 📖Markdown CheatsheetSyntax reference & copy