Just came across CryptoTab - a browser extension which allows you to mine cryptocurrencies through just your browser.
It is a browser extension with a separate feature management page. The extension uses a part of your CPU’s processing power to mine Monero. You can set the amount of your processing power that you want to delegate. After you do that and mine the crypto, it would would be then converted to Bitcoin and would be paid back to you in BTC. You can withdraw this at any time you want.
Steps to mine crypto:
Install extension for Mozilla or chrome (use the link below) Run the extension with desired settings (depending on your processing power you’ll be able to see your earnings after a few minutes) Let your earnings accumulate. Withdraw whenever you like.
You can boost your earnings through their referral program.
Here is my referral link: https://getcryptotab.com/172838