A user script to copy the contents of an ultimate guitar tab to your clipboard.

UserScripts-UltimateGuitar-CopyTabToClipboard.js

// ==UserScript==
// @name         Copy Tab to Clipboard
// @namespace    https://tabs.ultimate-guitar.com/
// @version      1.1
// @description  Adds a button to copy tab to clipboard
// @author       Brandon Martinez
// @match        https://tabs.ultimate-guitar.com/*
// @require      https://code.jquery.com/jquery-3.7.1.slim.min.js
// @grant        GM_setClipboard
// ==/UserScript==
/* global jQuery */
var $j = jQuery.noConflict(true);
(function () {
  "use strict";

  // Utility function to find a parent element by level
  function findParentByLevel(element, level) {
    let parent = element;
    for (let i = 0; i < level; i++) {
      if (parent) {
        parent = parent.parentElement;
      } else {
        return null;
      }
    }
    return parent;
  }

  // Function to copy tab content to clipboard
  function copyTabToClipboard() {
    const editButton = $j('span:contains("Edit")').parent();
    editButton.click();

    // Wait for the "Make personal edits" button to appear and click it
    setTimeout(() => {
      const makePersonalEditsButton = $j(
        'span:contains("Make personal edits")'
      ).parent();
      makePersonalEditsButton.click();

      // Wait for the popup to appear and extract the needed values
      setTimeout(() => {
        const artistName = $j('input[name="artist_name"]').val();
        const songName = $j('input[name="song_name"]').val();
        const $tuning = $j('select[name="tuning"] option:selected');
        const tuning = !!$tuning ? $tuning.text() : "";
        const tuningText = !!tuning
          ? tuning === "Standard"
            ? ""
            : `Tuning: ${tuning}\n`
          : "";

        const $capo = $j('select[name="capo"] option:selected');
        let capo = !!$capo ? $capo.text() : "";
        capo = capo === "(not selected)" ? "" : capo;
        const $tonality = $j('select[name="tonality"] option:selected');
        let key = !!$tonality ? $tonality.text() : "";
        key = key === "(select)" ? "" : key;
        const content = $j('textarea[name="content"]').val();

        const tabContent = `${songName}\n${artistName}\nKey: ${key}\n${tuningText}TransposedKey: ?\nCapo: ${capo}\nTime: 4/4\nTempo: XXX\nFlow\n\n\n${content}`;
        console.log("copying to clipboard", tabContent);
        GM_setClipboard(tabContent);

        // Close the popup by clicking the "Cancel" button
        const cancelButton = $j('span.KNVWh._sWeD:contains("cancel")').parent();
        cancelButton.click();

        setTimeout(function () {
          editButton.click();
        }, 300);
      }, 300);
    }, 300);
  }

  // Wait for the page to fully load
  $j(window).on("load", () => {
    setTimeout(function () {
      // Find the toolbar div
      const editSpan = $j("span:contains(Edit)");
      const toolbar = findParentByLevel(editSpan[0], 4);

      // Create the "Copy Tab to Clipboard" button
      const copyButton = $j(
        '<div class="BnYnj"><button type="button" class="rPQkl mcpNL IxFbd gm3Af lTEpj qOnLe"><span class="KNVWh _sWeD">Copy to Clipboard</span></button></div>'
      );
      copyButton.on("click", copyTabToClipboard);

      // Append the button to the toolbar
      $j(toolbar).append(copyButton);
    }, 500);
  });
})();

What for?

@a-galiev moving a playlist from UG to OnSong, was tedious with the number of button clicks.