Popular tools

Compound Interest CalculatorThe website supports the calculation of "single interest" and "compound interest", and provides comparison charts and chart downloadsBMI CalculatorEnter your height and weight in ft/lb or cm/kg to get your BMI, your WHO weight category and your healthy weight range.

Everyday

BMI CalculatorEnter your height and weight in ft/lb or cm/kg to get your BMI, your WHO weight category and your healthy weight range.

Finance

CAGR CalculatorOnly need to fill in the "Initial Investment Input", "Final Maturity Value", and "Length of Time in Years" to calculate CAGR and draw charts and provide downloadsCompound Interest CalculatorThe website supports the calculation of "single interest" and "compound interest", and provides comparison charts and chart downloads

Barcode & QR

QR Code DecoderUpload a QR Code file to convert and restore the QR code content to URL, SMS, text, etc.QR Code GeneratorSimple, fast and free to create and generate QR code

Generators

Password GeneratorCreate strong random passwords with custom length, letters, numbers and symbols; see the strength and copy each one.Random Number GeneratorPick random numbers in any range, with or without repeats and sorted if you like; copy or download the results.UUID GeneratorGenerate UUID v4 or v7 (GUID) in bulk: uppercase, no hyphens or braces, as lines, a JSON array or a comma list; copy each one.

Converters

Binary, Decimal, Octal, Hexadecimal ConverterProvides conversion between binary, octal, decimal, and hexadecimal values.Timestamp ConverterTimestamp is a widely used method in programming languages to track how much time has passed. The website provides mutual conversion between Timestamp and date-time formats

Developer

Base64 EncodeProvides operations for input text Base64 Encode and Base64 DecodeURL EncodeProviding for input URL Encode and URL DecodeWhat Is My IPSee your public IP address (IPv4 or IPv6) and country instantly, with one-click copy.

Math

Greatest Common Divisor & Least Common Multiple CalculatorEnter two positive integers A and B, click the 'Calculate' button, and it will display the prime factorization of A and B, and calculate their greatest common divisor and least common multiple.Prime Factorization CalculatorEnter a positive integer to calculate and display the result of prime factorization.Standard Deviation CalculatorFirst select 'Population' or 'Sample', enter two or more numbers, and it will calculate the 'Total', 'Mean', 'Variance', and 'Standard Deviation' of the entered numbers.