Crypto Tab

How to use your PC wisely? Let it earn some BTC for you! CryptoTab Browser is the easiest way to start mining and make your path to the world of cryptocurrency. Completely free and ready for instant mining — try it and you’ll see the result!
When I start my computer, it always starts at the same time. It’s not a big amount, but since I’m using a computer anyway, it feels like I’m automatically mining bitcoins. Well, it’s fun to watch the numbers grow.

Ascendex.com

No installation required, just open the site and log in to get 1000 SAT every day. Also, if you open the page, it will automatically mine bitcoins. You can get 1000 SAT just by logging in, so it’s efficient.