Adds a small floating button to Google Maps that extracts and copies the latitude and longitude from the current URL.
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// ==UserScript==
// @name Google Maps LatLon Extractor
// @namespace gmaps-latlon
// @version 1.0
// @description Adds a small floating button to Google Maps that extracts and copies the latitude and longitude from the current URL.
// @author bekkibau
// @license MIT
// @match https://www.google.com/maps/*
// @grant none
// ==/UserScript==
(function() {
'use strict';
// Create floating button
const btn = document.createElement('button');
btn.textContent = 'Get LatLon';
Object.assign(btn.style, {
position: 'fixed',
top: '80px',
right: '20px',
zIndex: 9999,
background: '#fff',
color: '#000',
border: '1px solid #ccc',
borderRadius: '8px',
padding: '6px 10px',
cursor: 'pointer',
boxShadow: '0 2px 6px rgba(0,0,0,0.3)',
fontSize: '14px'
});
document.body.appendChild(btn);
// Extract latitude and longitude from the URL
const getLatLon = () => {
const match = location.href.match(/@(-?\d+\.\d+),(-?\d+\.\d+)/);
return match ? { lat: match[1], lon: match[2] } : null;
};
// Show popup with copy button
const showPopup = ({ lat, lon }) => {
const popup = document.createElement('div');
Object.assign(popup.style, {
position: 'fixed',
top: '120px',
right: '20px',
background: '#fff',
color: '#000',
border: '1px solid #ccc',
borderRadius: '8px',
padding: '10px',
zIndex: 9999,
boxShadow: '0 2px 8px rgba(0,0,0,0.3)',
fontSize: '13px'
});
popup.innerHTML = `
<div><b>Latitude:</b> ${lat}</div>
<div><b>Longitude:</b> ${lon}</div>
<button id="copyLatLon" style="
margin-top:6px;
background:#4285f4;
color:#fff;
border:none;
border-radius:5px;
padding:4px 8px;
cursor:pointer;">Copy</button>
`;
document.body.appendChild(popup);
popup.querySelector('#copyLatLon').onclick = () => {
navigator.clipboard.writeText(`${lat}, ${lon}`);
popup.querySelector('#copyLatLon').textContent = 'Copied!';
setTimeout(() => popup.remove(), 1500);
};
};
// Handle button click
btn.addEventListener('click', () => {
const coords = getLatLon();
if (coords) showPopup(coords);
else alert('Could not find coordinates in URL.');
});
})();