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Toolser Net

QR Code Generator

Simple, fast and free to create and generate QR code

QR Code Decoder

Upload a QR Code file to convert and restore the QR code content to URL, SMS, text, etc.

Compound Interest Calculator

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

CAGR Calculator

Only 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 downloads

Binary, Decimal, Octal, Hexadecimal Converter

Provides conversion between binary, octal, decimal, and hexadecimal values.

Timestamp Converter

Timestamp 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

Base64 Encode | Decode

Provides operations for input text Base64 Encode and Base64 Decode

Password Generator

You 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 Generator

Generate 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 Generator

Generate 1 to 100 sets of UUIDs at once and have the option to copy the content or download them as a text file.

Prime Factorization Calculator

Enter a positive integer to calculate and display the result of prime factorization.

Greatest Common Divisor & Least Common Multiple Calculator

Enter 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.

Standard Deviation Calculator

First select 'Population' or 'Sample', enter two or more numbers, and it will calculate the 'Total', 'Mean', 'Variance', and 'Standard Deviation' of the entered numbers.