Exportar tus suscripciones de YouTube a CSV u OPML

// Responsive Muse · YouTube Subscriptions Exporter · v1.1 · 2026-10-22
// Saves the list of channels you're subscribed to as CSV (Excel, Sheets) or OPML
// (RSS readers, NewPipe, FreeTube). Runs only on youtube.com/feed/channels.
// The script makes no network requests of its own and never reads cookies, passwords or tokens.
(async () => {
  const TOOL = 'Exportar suscripciones';
  const FORMAT = 'csv';        // 'csv' or 'opml'

  if (location.hostname !== 'www.youtube.com' || location.pathname !== '/feed/channels') {
    alert('Abre primero tus suscripciones (con tu sesión iniciada):\nhttps://www.youtube.com/feed/channels');
    return;
  }
  // A small box on the page shows progress and asks before changing anything,
  // so you never need to read or edit the console.
  const many = (n, word) => `${n} ${n === 1 ? word : ({ canal: 'canales', 'canción': 'canciones', 'publicación': 'publicaciones', 'elemento guardado': 'elementos guardados' })[word] || word + 's'}`;   // 1 vídeo, 2 vídeos
  const panel = (() => {
    const box = document.createElement('div');
    box.style.cssText = 'position:fixed;right:16px;bottom:16px;z-index:2147483647;width:340px;max-width:calc(100vw - 32px);' +
      'background:#111318;color:#e6e8ee;font:14px/1.5 system-ui,sans-serif;border-radius:12px;padding:16px;' +
      'box-shadow:0 8px 30px rgba(0,0,0,.4);text-align:left';
    const head = document.createElement('strong');
    head.textContent = TOOL;
    const msg = document.createElement('p');
    msg.style.cssText = 'margin:8px 0 12px;white-space:pre-line';
    const row = document.createElement('div');
    row.style.cssText = 'display:flex;flex-wrap:wrap;gap:8px;justify-content:flex-end';
    box.append(head, msg, row);
    document.body.append(box);
    const button = (label, primary, onClick) => {
      const b = document.createElement('button');
      b.textContent = label;
      b.style.cssText = 'font:600 14px system-ui,sans-serif;padding:8px 14px;border-radius:8px;cursor:pointer;' +
        (primary ? 'background:#0f766e;color:#fff;border:1px solid #0f766e' : 'background:none;color:#e6e8ee;border:1px solid #3a3f4b');
      b.onclick = onClick;
      row.append(b);
    };
    return {
      text(t) { msg.textContent = t; },
      ask(t, yes) {
        msg.textContent = t;
        row.replaceChildren();
        return new Promise(r => {
          button('Cancelar', false, () => { row.replaceChildren(); r(false); });
          button(yes, true, () => { row.replaceChildren(); r(true); });
        });
      },
      stoppable(onStop) { row.replaceChildren(); button('Parar', false, onStop); },
      actions(t, list) {
        msg.textContent = t;
        row.replaceChildren();
        list.forEach(([label, primary, run]) => button(label, primary, run));
      },
      finish(t) { this.actions(t, [['Cerrar', true, () => box.remove()]]); },
      close() { box.remove(); },
    };
  })();
  // Offer the result as a downloaded file or as clipboard text (a real click, so it always works)
  const deliver = (summary, body, file) => {
    const save = () => {
      const a = document.createElement('a');
      a.href = URL.createObjectURL(new Blob([/\.csv$/.test(file) ? '\ufeff' + body : body], { type: 'text/plain;charset=utf-8' }));
      a.download = file;
      a.click();
      setTimeout(() => URL.revokeObjectURL(a.href), 5000);
      panel.text(`${summary}\nGuardado como ${file} (mira tu carpeta de Descargas).`);
    };
    const copy = () => navigator.clipboard.writeText(body)
      .then(() => panel.text(`${summary}\nCopiado. Pégalo en una hoja de cálculo o en una nota.`))
      .catch(() => panel.text(`${summary}\nEl navegador ha bloqueado el portapapeles: usa Descargar.`));
    panel.actions(summary, [['Cerrar', false, () => panel.close()], ['Copiar', false, copy], ['Descargar', true, save]]);
  };
  const sleep = ms => new Promise(r => setTimeout(r, ms));
  const rows = () => [...document.querySelectorAll('ytd-channel-renderer')];

  // 1. Scroll to the end until no new channels appear three times in a row
  let last = -1, idle = 0;
  while (idle < 3) {
    window.scrollTo(0, document.documentElement.scrollHeight);
    await sleep(1200);
    const n = rows().length;
    idle = n === last ? idle + 1 : 0;
    last = n;
    panel.text(`Cargando tus suscripciones… ${n} canales`);
  }

  // 2. Read every channel (the data YouTube already rendered on this page)
  const channels = rows().map(el => {
    const text = sel => (el.querySelector(sel)?.textContent || '').trim();
    const handle = text('#subscribers');
    return {
      name: text('#channel-title #text'),
      handle: handle.startsWith('@') ? handle : '',
      subscribers: text('#video-count').replace(/ subscribers?$/i, ''),
      id: el.data?.channelId || '',
      url: 'https://www.youtube.com' + (el.querySelector('a#main-link')?.getAttribute('href') || ''),
    };
  });
  if (!channels.length) {
    panel.finish('No se han encontrado canales. Puede que YouTube haya cambiado su diseño: avísanos en responsive-muse.com.');
    return 0;
  }

  // 3. Build the file and offer it
  const esc = s => String(s).replace(/&/g, '&amp;').replace(/</g, '&lt;').replace(/"/g, '&quot;');
  const cell = v => '"' + String(v).replace(/"/g, '""') + '"';
  const body = FORMAT === 'opml'
    ? ['<?xml version="1.0" encoding="UTF-8"?>', '<opml version="1.1">',
       '<head><title>Suscripciones de YouTube</title></head>', '<body><outline text="YouTube" title="YouTube">',
       ...channels.filter(c => c.id).map(c =>
         `<outline type="rss" text="${esc(c.name)}" title="${esc(c.name)}" ` +
         `xmlUrl="https://www.youtube.com/feeds/videos.xml?channel_id=${c.id}" htmlUrl="${esc(c.url)}"/>`),
       '</outline></body>', '</opml>'].join('\n')
    : ['Canal,Usuario,Suscriptores,ID del canal,URL',
       ...channels.map(c => [c.name, c.handle, c.subscribers, c.id, c.url].map(cell).join(','))].join('\n');
  deliver(`Listo: ${many(channels.length, 'canal')}.`, body, `youtube-subscriptions.${FORMAT}`);
  return channels.length;
})();