I've created Bitcoin Mindset browser extension, which can convert prices of various cryptocurrencies, fiat currencies or commodities between each other, so it can come handy to anyone who is interested in crypto. Extension requires no permissions, so you can rely on no misbehavior. For more information search "Bitcoin Mindset" in Chrome Web Store.
It would be great if you try it. And if you find it useful I would appreciate positive review in Chrome Web Store or further recommendation, thanks