Free Google Maps reviews scraper

This is everything the bookmark runs. It works only on the Google Maps page you have open and sends nothing anywhere. The project is also on GitHub.

(function () {
  var KEY = '__scrapepassMapsReviews';
  var VERSION = '1.0.0';
  if (window[KEY]) window[KEY].close();

  var onMaps = /(^|\.)google\.[a-z.]+$/.test(location.hostname) && location.pathname.indexOf('/maps') === 0;
  var placeTitle = document.querySelector('div[role="main"] h1');
  if (!onMaps || !placeTitle) {
    alert('Open a place on Google Maps (search for it and click it), so its name, rating and reviews show on the left. Then click this bookmark again.');
    return;
  }
  var PLACE = placeTitle.textContent.replace(/\s+/g, ' ').trim();
  var PLACE_URL = location.href.split('?')[0];

  var HOME = 'https://scrapepass.com/';
  var UTM = '?utm_source=bookmarklet&utm_medium=tool&utm_campaign=google-maps-reviews';
  var GITHUB = 'https://github.com/ScrapePass/google-maps-reviews-scraper-one-click';
  var YOUTUBE = 'https://www.youtube.com/@scrapepass';
  var COLS = ['place', 'reviewer', 'reviewer_info', 'rating', 'date', 'text', 'details', 'likes', 'photos', 'owner_response', 'owner_response_date', 'reviewer_url', 'place_url'];

  var rows = [];
  var seen = {};
  var running = false;
  var idle = 0;
  var timer = 0;
  var queue = [];
  var current = null;
  var lightTimer = 0;
  var doneMsg = '';
  var total = 0;

  function el(tag, css, text) {
    var e = document.createElement(tag);
    if (css) e.style.cssText = css;
    if (text != null) e.textContent = text;
    return e;
  }
  function text(root, sel) {
    var e = root.querySelector(sel);
    return e ? e.textContent.replace(/\s+/g, ' ').trim() : '';
  }
  function num(s) {
    var m = /\d[\d,.]*/.exec(s || '');
    return m ? m[0].replace(/[,.](?=\d{3}\b)/g, '').replace(',', '.') : '';
  }

  function reviewsTab() {
    var tabs = document.querySelectorAll('div[role="main"] button[role="tab"]');
    for (var i = 0; i < tabs.length; i++) if (/review|đánh giá|rezension|avis|reseñ|recens/i.test(tabs[i].getAttribute('aria-label') || tabs[i].textContent)) return tabs[i];
    return tabs.length > 2 ? tabs[1] : null;
  }
  function totalReviews() {
    var main = document.querySelector('div[role="main"]');
    if (!main) return 0;
    var head = main.querySelector('.F7nice');
    var b = head ? /\(([\d][\d,.\s\u00a0\u202f]*)\)/.exec(head.textContent) : null;
    if (b) return +num(b[1].replace(/[\s\u00a0\u202f]/g, ''));
    var m = /([\d][\d,. ]*)\s+(reviews|review|bài đánh giá|Rezensionen|avis|reseñas|recensioni)/i.exec(main.innerText);
    return m ? +num(m[1]) : 0;
  }
  function scroller() {
    var r = document.querySelector('div.jftiEf[data-review-id]');
    for (var e = r && r.parentElement; e && e !== document.body; e = e.parentElement) {
      var o = getComputedStyle(e).overflowY;
      if ((o === 'auto' || o === 'scroll') && e.scrollHeight > e.clientHeight) return e;
    }
    return document.querySelector('div.m6QErb.DxyBCb.kA9KIf.dS8AEf');
  }
  function expand(card) {
    var more = card.querySelectorAll('button.w8nwRe[aria-expanded="false"]');
    for (var i = 0; i < more.length; i++) more[i].click();
  }
  function details(card) {
    var out = [];
    var blocks = card.querySelectorAll('.PBK6be');
    for (var i = 0; i < blocks.length; i++) {
      var lines = blocks[i].innerText.split('\n').map(function (s) { return s.trim(); }).filter(Boolean);
      if (lines.length) out.push(lines.length > 1 && !/:/.test(lines[0]) ? lines[0] + ': ' + lines.slice(1).join(', ') : lines.join(' '));
    }
    return out.join(' · ');
  }
  function readReview(card) {
    var profile = card.querySelector('.al6Kxe') || card.querySelector('button[data-href*="/contrib/"]');
    var stars = card.querySelector('.kvMYJc');
    var resp = card.querySelector('.CDe7pd');
    var body = card.querySelector('.MyEned .wiI7pd') || card.querySelector('.wiI7pd');
    if (body && resp && resp.contains(body)) body = null;
    var likes = card.querySelector('.pkWtMe');
    return {
      place: PLACE,
      reviewer: text(card, '.d4r55') || card.getAttribute('aria-label') || '',
      reviewer_info: text(card, '.RfnDt'),
      rating: stars ? num(stars.getAttribute('aria-label')) : num(text(card, '.fzvQIb')),
      date: text(card, '.rsqaWe') || text(card, '.xRkPPb'),
      text: body ? body.textContent.replace(/\s+/g, ' ').trim() : '',
      details: details(card),
      likes: likes ? num(likes.textContent) : '',
      photos: card.querySelectorAll('button.Tya61d').length || '',
      owner_response: resp ? text(resp, '.wiI7pd') : '',
      owner_response_date: resp ? text(resp, '.DZSIDd') : '',
      reviewer_url: profile ? (profile.getAttribute('data-href') || '').split('?')[0] : '',
      place_url: PLACE_URL
    };
  }

  var READY_MS = 700;
  var marked = [];
  function enqueue(card) {
    if (card.hasAttribute('data-scrapepass')) return;
    card.setAttribute('data-scrapepass', String(Date.now()));
    marked.push(card);
    queue.push(card);
    expand(card);
  }
  function paint(card) {
    card.style.outline = '2px solid #4f46e5';
    card.style.outlineOffset = '-2px';
    card.style.background = 'rgba(79,70,229,.12)';
  }
  function plain(card) {
    card.style.outline = '';
    card.style.outlineOffset = '';
    card.style.background = '';
  }
  function unmark() {
    marked.forEach(function (card) {
      card.removeAttribute('data-scrapepass');
      plain(card);
    });
    marked = [];
  }

  function collect() {
    var cards = document.querySelectorAll('div.jftiEf[data-review-id]');
    var added = 0;
    for (var i = 0; i < cards.length; i++) {
      var id = cards[i].getAttribute('data-review-id');
      if (seen[id]) continue;
      seen[id] = true;
      enqueue(cards[i]);
      added++;
    }
    return added;
  }

  var file = 'ScrapePass Google Maps Reviews - ' + (PLACE.replace(/[\\/:*?"<>|\s]+/g, ' ').trim().slice(0, 60) || 'place') + '.csv';

  function cell(v) {
    v = String(v == null ? '' : v);
    if (/^[=@\t\r]/.test(v) || /^[+-]/.test(v) && /[^\d\s().+-]/.test(v)) v = "'" + v;
    return /[",\r\n]/.test(v) ? '"' + v.replace(/"/g, '""') + '"' : v;
  }
  function table() {
    return [COLS.join(',')].concat(rows.map(function (r) {
      return COLS.map(function (c) { return cell(r[c]); }).join(',');
    })).join('\r\n');
  }

  function svg(tag, attrs, parent) {
    var e = document.createElementNS('http://www.w3.org/2000/svg', tag);
    for (var k in attrs) e.setAttribute(k, attrs[k]);
    if (parent) parent.appendChild(e);
    return e;
  }
  function logo(size) {
    var root = svg('svg', { viewBox: '0 0 128 128', width: size, height: size, 'aria-hidden': 'true' });
    var grad = svg('linearGradient', { id: 'scrapepass-reviews-logo', x1: 0, y1: 0, x2: 1, y2: 1 }, svg('defs', {}, root));
    svg('stop', { offset: 0, 'stop-color': '#7c3aed' }, grad);
    svg('stop', { offset: 1, 'stop-color': '#4f46e5' }, grad);
    svg('rect', { width: 128, height: 128, rx: 28, fill: 'url(#scrapepass-reviews-logo)' }, root);
    svg('rect', { x: 20, y: 26, width: 70, height: 18, rx: 9, fill: '#fff' }, root);
    svg('rect', { x: 20, y: 55, width: 70, height: 18, rx: 9, fill: '#fff' }, root);
    svg('rect', { x: 20, y: 84, width: 46, height: 18, rx: 9, fill: '#fff' }, root);
    svg('path', { d: 'M70 66 112 92l-17 4 9.5 18.5-10 4.8-9.5-18.5-13 12z', fill: '#fde68a', stroke: '#4c1d95', 'stroke-width': 5, 'stroke-linejoin': 'round' }, root);
    root.style.cssText = 'flex:none;display:block;';
    return root;
  }

  var GITHUB_LOGO = 'M12 .297c-6.63 0-12 5.373-12 12 0 5.303 3.438 9.8 8.205 11.385.6.113.82-.258.82-.577 0-.285-.01-1.04-.015-2.04-3.338.724-4.042-1.61-4.042-1.61C4.422 18.07 3.633 17.7 3.633 17.7c-1.087-.744.084-.729.084-.729 1.205.084 1.838 1.236 1.838 1.236 1.07 1.835 2.809 1.305 3.495.998.108-.776.417-1.305.76-1.605-2.665-.3-5.466-1.332-5.466-5.93 0-1.31.465-2.38 1.235-3.22-.135-.303-.54-1.523.105-3.176 0 0 1.005-.322 3.3 1.23.96-.267 1.98-.399 3-.405 1.02.006 2.04.138 3 .405 2.28-1.552 3.285-1.23 3.285-1.23.645 1.653.24 2.873.12 3.176.765.84 1.23 1.91 1.23 3.22 0 4.61-2.805 5.625-5.475 5.92.42.36.81 1.096.81 2.22 0 1.606-.015 2.896-.015 3.286 0 .315.21.69.825.57C20.565 22.092 24 17.592 24 12.297c0-6.627-5.373-12-12-12';
  var YOUTUBE_LOGO = 'M23.498 6.186a3.016 3.016 0 0 0-2.122-2.136C19.505 3.545 12 3.545 12 3.545s-7.505 0-9.377.505A3.017 3.017 0 0 0 .502 6.186C0 8.07 0 12 0 12s0 3.93.502 5.814a3.016 3.016 0 0 0 2.122 2.136c1.871.505 9.376.505 9.376.505s7.505 0 9.377-.505a3.015 3.015 0 0 0 2.122-2.136C24 15.93 24 12 24 12s0-3.93-.502-5.814zM9.545 15.568V8.432L15.818 12l-6.273 3.568z';
  function brandIcon(d, color) {
    var root = svg('svg', { viewBox: '0 0 24 24', width: 14, height: 14, 'aria-hidden': 'true' });
    svg('path', { d: d, fill: color }, root);
    root.style.cssText = 'display:inline-block;vertical-align:-2px;margin-right:4px;';
    return root;
  }

  var PURPLE = '#4f46e5';
  function link(label, href, css, icon) {
    var a = el('a', 'color:' + PURPLE + ';font-weight:600;white-space:nowrap;' + (css || ''));
    if (icon) a.appendChild(icon);
    a.appendChild(document.createTextNode(label));
    a.href = href;
    a.target = '_blank';
    a.rel = 'noopener';
    return a;
  }
  var box = el('div', 'position:fixed;top:72px;right:16px;z-index:2147483647;width:340px;background:#fff;color:#1f2328;border-radius:14px;box-shadow:0 8px 32px rgba(0,0,0,.25);font:15px/1.45 Roboto,Arial,sans-serif;padding:18px;');
  var head = el('div', 'display:flex;align-items:center;gap:10px;margin-bottom:12px;');
  head.appendChild(logo(36));
  var titles = el('div', 'flex:1;min-width:0;');
  titles.appendChild(el('div', 'font-size:18px;font-weight:700;line-height:1.2;', 'Google Maps Reviews'));
  var by = el('div', 'font-size:13px;color:#57606a;', 'by ');
  by.appendChild(link('ScrapePass', HOME + UTM, 'text-decoration:none;'));
  by.appendChild(document.createTextNode(' · v' + VERSION));
  titles.appendChild(by);
  head.appendChild(titles);
  var x = el('button', 'border:0;background:none;font-size:24px;line-height:1;cursor:pointer;color:#57606a;padding:0 4px;align-self:flex-start;', '×');
  x.title = 'Close';
  head.appendChild(x);
  var dial = el('div', 'position:relative;width:128px;height:128px;margin:4px auto 10px;');
  var ring = el('div', 'position:absolute;inset:0;box-sizing:border-box;border-radius:50%;border:8px solid rgba(79,70,229,.15);');
  var spin = null;
  var middle = el('div', 'position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;');
  var ready = el('div', 'font-size:26px;font-weight:700;color:' + PURPLE + ';', 'Ready?');
  var count = el('div', 'display:none;font-size:38px;font-weight:700;line-height:1;', '0');
  var unit = el('div', 'display:none;font-size:13px;color:#57606a;margin-top:4px;', 'reviews');
  middle.appendChild(ready);
  middle.appendChild(count);
  middle.appendChild(unit);
  dial.appendChild(ring);
  dial.appendChild(middle);
  var who = el('div', 'height:20px;margin-bottom:2px;font-size:14px;font-weight:600;text-align:center;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;', PLACE);
  var status = el('div', 'font-size:15px;color:#57606a;text-align:center;margin-bottom:14px;', 'Press Go to collect this place\'s reviews.');
  var BTN = 'display:block;width:100%;border:1px solid ' + PURPLE + ';background:' + PURPLE + ';color:#fff;border-radius:8px;padding:11px 12px;font:600 15px Roboto,Arial,sans-serif;cursor:pointer;';
  var go = el('button', BTN, 'Go');
  var csv = el('button', BTN + 'display:none;', 'Download CSV');
  var buttons = el('div');
  buttons.appendChild(go);
  buttons.appendChild(csv);
  var foot = el('div', 'margin-top:14px;padding-top:12px;border-top:1px solid #eaeef2;font-size:13px;color:#57606a;');
  foot.appendChild(document.createTextNode('Need more data? '));
  foot.appendChild(link('Try the ScrapePass extension, the free web scraper', HOME + UTM));
  var help = el('div', 'margin-top:8px;');
  help.appendChild(document.createTextNode('Something not working? '));
  help.appendChild(link('Report a problem', HOME + 'contact' + UTM + '&utm_content=v' + VERSION));
  foot.appendChild(help);
  var more = el('div', 'margin-top:8px;');
  more.appendChild(link('How to use', HOME + 'tools/google-maps-reviews-scraper' + UTM));
  more.appendChild(document.createTextNode(' · '));
  more.appendChild(link('More free tools', HOME + 'free-tools' + UTM));
  foot.appendChild(more);
  var social = el('div', 'margin-top:8px;');
  social.appendChild(link('GitHub', GITHUB, '', brandIcon(GITHUB_LOGO, '#1f2328')));
  social.appendChild(document.createTextNode(' · '));
  social.appendChild(link('Tutorials on YouTube', YOUTUBE, '', brandIcon(YOUTUBE_LOGO, '#FF0000')));
  foot.appendChild(social);
  [head, dial, who, status, buttons, foot].forEach(function (n) { box.appendChild(n); });
  document.body.appendChild(box);

  function light() {
    var next = queue[0];
    if (next && Date.now() - +next.getAttribute('data-scrapepass') < READY_MS) {
      lightTimer = setTimeout(light, 120);
      return;
    }
    var card = queue.shift();
    if (card) {
      if (current) plain(current);
      paint(card);
      current = card;
      card.scrollIntoView({ block: 'start' });
      expand(card);
      var r = readReview(card);
      rows.push(r);
      who.textContent = r.reviewer;
      count.textContent = String(rows.length);
      if (running && total) status.textContent = rows.length + ' of ' + total.toLocaleString('en-US') + ' reviews';
    }
    if (card || running) lightTimer = setTimeout(light, 120);
    else finish();
  }
  function stop(msg) {
    running = false;
    clearTimeout(timer);
    doneMsg = msg;
  }
  function finish() {
    if (current) plain(current);
    current = null;
    who.textContent = PLACE;
    if (spin) spin.cancel();
    ring.style.borderColor = PURPLE;
    count.textContent = String(rows.length);
    status.textContent = doneMsg;
  }

  function scroll() {
    if (!running) return;
    var added = collect();
    total = totalReviews() || total;
    if (!queue.length) {
      idle = added ? 0 : idle + 1;
      if (!rows.length && idle >= 6) return stop('No reviews here. Google shows the list of reviews only when you are signed in to Google.');
      if (total && rows.length >= total) return stop('Done. Download your CSV.');
      if (idle >= 25) return stop('Google Maps stopped loading more reviews. Download your CSV.');
      var box2 = scroller();
      if (box2) box2.scrollTop = idle % 2 ? box2.scrollHeight - box2.clientHeight - 400 : box2.scrollHeight;
      if (idle > 2) status.textContent = 'Waiting for Google Maps to load more…';
    }
    timer = setTimeout(scroll, 1200);
  }

  function close() {
    running = false;
    clearTimeout(timer);
    clearTimeout(lightTimer);
    unmark();
    box.remove();
    delete window[KEY];
  }

  x.onclick = close;
  go.onclick = function () {
    go.style.display = 'none';
    csv.style.display = 'block';
    ready.style.display = 'none';
    count.style.display = 'block';
    unit.style.display = 'block';
    ring.style.borderTopColor = PURPLE;
    if (ring.animate) spin = ring.animate([{ transform: 'rotate(0deg)' }, { transform: 'rotate(360deg)' }], { duration: 1000, iterations: Infinity });
    status.textContent = 'Opening the reviews…';
    var tab = reviewsTab();
    if (tab && tab.getAttribute('aria-selected') !== 'true') tab.click();
    running = true;
    timer = setTimeout(scroll, tab ? 1500 : 0);
    light();
  };
  csv.onclick = function () {
    var blob = new Blob([String.fromCharCode(0xfeff) + table()], { type: 'text/csv;charset=utf-8' });
    var a = el('a');
    a.href = URL.createObjectURL(blob);
    a.download = file;
    document.body.appendChild(a);
    a.click();
    a.remove();
    setTimeout(function () { URL.revokeObjectURL(a.href); }, 5000);
  };
  window[KEY] = { close: close };
})();