Popular tools

Compound Interest CalculatorThe website supports the calculation of "single interest" and "compound interest", and provides comparison charts and chart downloads

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 GeneratorYou can customize the "Password Length" and choose whether to include "Lowercase Letters," "Uppercase Letters," "Numbers," and "Symbols." Generate 1 to 100 sets of random passwords at once, and copy the content or download them as a text file.Random Number GeneratorGenerate 1 to 100 sets of random numbers at once with the option to choose between "Allow Duplicates" or "No Duplicates." Copy the content or download them as a text file.UUID GeneratorGenerate 1 to 100 sets of UUIDs at once and have the option to copy the content or download them as a text file.

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 Decode

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.