If you clicked because of the title, congratulations. It's indeed not fake - I genuinely didn't use any third-party libraries, everything is built using Web APIs and Rust's built-in libraries.

Regarding how this project came about - I got quite angry when a browser new tab extension I frequently used got poisoned/had a backdoor implanted. Thus this project was born. As there are still some issues currently, everyone is welcome to provide suggestions and report bugs. It's been open source on Github for a while now - if anyone's interested, feel free to check it out. Thank you all, and happy holidays to you.

Github: https://github.com/zayokami/GenresFox

Fun fact: I got heavily criticised here (on HN) last time for forgetting to include WASM, and I admit I deserved that criticism at the time. There really is WASM now - if you don't believe me, you can check src/wasm-resize.