I built a browser extension that shows you everything websites store on your device and the results are kind of wild
I want to start with a question. When was the last time you actually looked at what a website has stored on your device? Not just cookies. Everything. IndexedDB. Local storage. Cache storage. Servi...

Source: DEV Community
I want to start with a question. When was the last time you actually looked at what a website has stored on your device? Not just cookies. Everything. IndexedDB. Local storage. Cache storage. Service workers. Form data. Most people haven't. And honestly most people don't even know these things exist let alone that every site they visit is quietly writing data to their device through all of them. This bothered me enough that I built something about it. How it started I was poking around in Chrome DevTools one day looking at what a fairly ordinary news site had stored on my device. The list was long. Really long. And it wasn't just cookies. There were local storage entries I didn't recognise service workers registered that I had no idea about and IndexedDB entries that had clearly been there for months. I started checking other sites and the same pattern kept showing up. Loads of data quietly sitting there and no easy way to get an overview of it all or do anything about it without going