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