All Tools
Percentage Calculator
Calculate percentages easily. Find what percent of a number, percentage change, and more.
Math & CalculatorsAge Calculator
Calculate your exact age in years, months, and days from your date of birth.
Math & CalculatorsPassword Generator
Generate strong, secure passwords instantly. Customize length and character types.
GeneratorsWord Counter
Count words, characters, sentences, and paragraphs. Estimate reading and speaking time.
Text ToolsUnit Converter
Convert between units of length, weight, temperature, volume, speed, and more.
ConvertersDate Calculator
Calculate the number of days between two dates or add/subtract days from a date.
Math & CalculatorsTip Calculator
Calculate tip amount and split the bill among friends easily.
Math & CalculatorsHex / Binary / Decimal Converter
Convert numbers between hexadecimal, binary, decimal, and octal formats.
Developer ToolsTDEE Calculator
Calculate your Total Daily Energy Expenditure (TDEE) and daily calorie needs based on your activity level.
Health & FitnessLoan Calculator
Calculate monthly payments, total interest, and amortization schedule for any loan.
Math & CalculatorsJSON Formatter
Format, validate, and minify JSON data with syntax highlighting.
Developer ToolsGPA Calculator
Calculate your Grade Point Average (GPA) by entering courses, grades, and credit hours.
Math & CalculatorsBMI Calculator
Calculate your Body Mass Index (BMI) based on height and weight.
Health & FitnessScientific Calculator
Advanced calculator with trigonometric, logarithmic, and exponential functions.
Math & CalculatorsMortgage Calculator
Calculate monthly mortgage payments, total interest, and total cost.
FinanceCalorie Calculator
Calculate your daily calorie needs based on your goals and activity level.
Health & FitnessCompound Interest Calculator
Calculate compound interest with regular contributions over time.
FinanceBody Fat Calculator
Estimate your body fat percentage using the US Navy method.
Health & FitnessSalary Calculator
Convert your salary between hourly, daily, weekly, biweekly, monthly, and annual.
FinanceBMR Calculator
Calculate your Basal Metabolic Rate — the calories your body burns at rest.
Health & FitnessPaycheck Calculator
Estimate your take-home pay after taxes based on your gross salary.
FinanceDue Date Calculator
Calculate your pregnancy due date based on your last menstrual period.
Health & FitnessInflation Calculator
Calculate the impact of inflation on purchasing power over time.
FinanceStandard Deviation Calculator
Calculate standard deviation, variance, mean, and other statistics for a data set.
Math & CalculatorsFraction Calculator
Add, subtract, multiply, and divide fractions with step-by-step results.
Math & CalculatorsIdeal Weight Calculator
Find your ideal weight range using multiple scientific formulas.
Health & FitnessMacro Calculator
Calculate your daily macronutrient needs — protein, carbs, and fat in grams.
Health & FitnessOvulation Calculator
Estimate your ovulation date and fertile window based on your menstrual cycle.
Health & FitnessQuadratic Equation Solver
Solve quadratic equations (ax² + bx + c = 0) and find roots, vertex, and discriminant.
Math & CalculatorsRandom Number Generator
Generate random numbers within a range with customizable options.
GeneratorsSales Tax Calculator
Calculate sales tax amount and total price, or reverse-calculate from total.
FinanceDiscount Calculator
Calculate discount amount, final price, and savings. Supports double discounts.
FinanceJPG to PDF Converter
Convert JPG images to PDF documents for free, online, directly in your browser.
ConvertersPNG to PDF Converter
Convert PNG images to PDF documents for free, online, directly in your browser.
ConvertersWebP to PNG Converter
Convert WebP images to PNG format for free, online, in your browser.
ConvertersWebP to JPG Converter
Convert WebP images to JPG format for free, online, in your browser.
ConvertersPDF Merge
Merge multiple PDF files into one document for free, online, in your browser.
ConvertersPDF Split
Split PDF files into separate pages or custom ranges for free, online, in your browser.
ConvertersHEIC to JPG Converter
Convert HEIC/HEIF images to JPG format for free, online, in your browser.
ConvertersPNG to JPG Converter
Convert PNG images to JPG format for free, online, in your browser.
ConvertersJPG to PNG Converter
Convert JPG images to PNG format for free, online, in your browser.
ConvertersJPG to WebP Converter
Convert JPG images to WebP format for free, online, in your browser.
ConvertersPNG to WebP Converter
Convert PNG images to WebP format for free, online, in your browser.
ConvertersImage Compressor
Compress images to reduce file size for free, online, in your browser.
ConvertersSVG to PNG Converter
Convert SVG vector images to PNG format for free, online, in your browser.
ConvertersAVIF to JPG Converter
Convert AVIF images to JPG format for free, online, in your browser.
ConvertersImage Resizer
Resize images to custom dimensions for free, online, in your browser.
ConvertersBase64 Encoder / Decoder
Encode text to Base64 or decode Base64 to text for free, online, in your browser.
Developer ToolsCSV to JSON Converter
Convert CSV data to JSON format for free, online, in your browser.
Developer ToolsJSON to CSV Converter
Convert JSON data to CSV format for free, online, in your browser.
Developer ToolsMarkdown to HTML Converter
Convert Markdown text to HTML for free, online, in your browser.
Developer ToolsXML to JSON Converter
Convert XML data to JSON format for free, online, in your browser.
Developer Tools