You're doing exactly the right thing to kickstart your career as a dev/founder/indie maker: Building a small useful tool and launching it (that's the important part, many never get to this stage), seeking feedback, and improving based on it. This is the essence of the "build, measure, learn" methodology that every startup tries to apply.
In fact, my own startup wouldn't exist if I hadn't made a HN post with a crappy MVP and received feedback from founders, investors, and potential customers.
In fact, my own startup wouldn't exist if I hadn't made a HN post with a crappy MVP and received feedback from founders, investors, and potential customers.