Please delete this project and your comment.
If you want to be helpful, write native code that user can read, compile, and install, and persistently use without risk of backdoor-out-of-the blue.
I wouldn't trust this page with my passwords either, but not because of the reasons that you mention. I haven't checked, but maybe it is simple enough to read the code in its entirety and then self-host? If so, nothing wrong with that.