Store the signature without any background

[shahriarhossain]

I am able to store the signature by calling the toDataURL() method. signaturePad.current.toDataURL(); But it comes with a background!

How do I only capture the pen stroke with transparent background?

Here is what the frontend looks like:

After saving the data in the backend, this is what I am getting:

[shahriarhossain]

Solved!