BTC to USD Converter

// ==UserScript==
// @name BTC to USD Converter
// @namespace http://tampermonkey.net/
// @version 1.0
// @description Converts BTC balance to USD in real time
// @author Your Name
// @match https://freebitco.in/*
// @grant GM_xmlhttpRequest
// @grant GM_addStyle
// ==/UserScript==

(function() {
'use strict';

// Function to fetch BTC to USD conversion rate
async function fetchBtcToUsd() {
try {
const response = await fetch('https://api.coingecko.com/api/v3/simple/price?ids=bitcoin&vs_currencies=usd');
const data = await response.json();
return data.bitcoin.usd;
} catch (error) {
console.error('Error fetching BTC value:', error);
return null;
}
}

// Function to update balance in USD
async function updateBalanceInUsd() {
const balanceElement = document.getElementById('balance');
if (!balanceElement) return;

const btcBalance = parseFloat(balanceElement.innerText);
const btcToUsd = await fetchBtcToUsd();

if (btcToUsd !== null) {
const usdBalance = (btcBalance * btcToUsd).toFixed(2);
let usdDisplay = document.getElementById('usdBalance');

// Create the element to display USD balance if it doesn't exist
if (!usdDisplay) {
usdDisplay = document.createElement('span');
usdDisplay.id = 'usdBalance';
usdDisplay.style.marginLeft = '10px';
balanceElement.parentNode.insertBefore(usdDisplay, balanceElement.nextSibling);
}

usdDisplay.innerText = ` ($${usdBalance})`;
}
}

// Update balance every 30 seconds
setInterval(updateBalanceInUsd, 30000);

// Call the function immediately on page load
updateBalanceInUsd();
})();