# 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

### URL Encode | Decode

Providing for input URL Encode and URL 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.