I wrote a website to do exactly this with your own data and Python in the browser using pyodide und plotly.js for visualizations: https://github.com/piebro/spot

I wrote a website to do exactly this with your own data and Python in the browser using pyodide und plotly.js for visualizations: https://github.com/piebro/spotify-statistics/ https://github.com/piebro/spotify-statistics/