Hello , hope you are fine where ever you are!
As this is the free online tools website so it becomes very hard to pay hosting & maintainence amount for this
And from ads also I am not able to the earn significant amount of money.
So,that's why today I need your support as it requires a lot of efforts to make these tools.
You can just scan the the QR code from any UPI scanner.Also you can donate through below 2 options razorpay or buymeacoffee .
Besides that you can share CalConT to as many people as possible.