Claude.ai-ChatDownloader - userscript to download claude.ai chats to a text file.

userscript.js

// ==UserScript==
// @name         Claude.ai-ChatDownloader
// @namespace    http://tampermonkey.net/
// @version      1.9
// @description  Download all chats from Claude.ai as a single file
// @match        https://claude.ai/*
// @match        https://claude.ai/chats
// @match        https://claude.ai/chat/*
// @grant        GM_setValue
// @grant        GM_getValue
// @grant        GM_download
// @downloadURL  https://gist.githubusercontent.com/robin-collins/65d4ebc68d7e961218a94d7537f16696/raw/a7eb267fd358b00f58b4ccc75ad5f493c81d5cae/userscript.js
// @updateURL    https://gist.githubusercontent.com/robin-collins/65d4ebc68d7e961218a94d7537f16696/raw/a7eb267fd358b00f58b4ccc75ad5f493c81d5cae/userscript.js
// ==/UserScript==

/* global $ */

(function() {
    'use strict';

    function getTextByClass(className) {
        console.log('getTextByClass - starting');
        var elements = document.getElementsByClassName(className);
        var result = [];
        for (var i = 0; i < elements.length; i++) {
            // Clone the node to not affect the original element
            var clone = elements[i].cloneNode(true);
            // Remove all SVG and button elements
            var unwantedElements = clone.querySelectorAll('svg, button');
            for (var j = 0; j < unwantedElements.length; j++) {
                unwantedElements[j].remove();
            }
            // Add cleaned text to the result
            result.push(clone.innerText.trim());
        }
        return result.join("\n");
    }

    function nextPage() {
        console.log('RC - function nextPage started');
        var chatUrl = window.location.href;
        // Get the chat data from Tampermonkey shared storage
        var chatData = GM_getValue('chatData', {});
        // Find the next chat to open
        var chatUrls = Object.keys(chatData);
        var currentIndex = chatUrls.indexOf(chatUrl);
        var nextIndex = currentIndex + 1;
        console.log('chat #'+currentIndex+' / '+chatUrls.length);
        if (nextIndex < chatUrls.length) {
            var nextChatUrl = chatUrls[nextIndex];
            location.href=nextChatUrl;
        } else {
            // All chats have been scraped, create the download file
            var allChatsText = '';
            for (var url in chatData) {
                var title = chatData[url];
                var text = GM_getValue(url, '');
                allChatsText += `==========================================================================================================================\n${url}\n\n== ${title} ==\n\n${text}\n\n`;
            }
            var blob = new Blob([allChatsText], { type: "text/plain;charset=utf-8" });
            var filename = 'claude_ai_chats.txt';
            GM_download({
                url: URL.createObjectURL(blob),
                name: filename,
                saveAs: false
            });
        }
    }

    function downloadChatText() {
        console.log('RC - function downloadChatText started');
        var chatUrl = window.location.href;
        var chatText = getTextByClass('contents');
        // Store the chat text in Tampermonkey shared storage
        GM_setValue(chatUrl, chatText);
    }



    function downloadAllChats() {
        console.log('RC - function downloadAllChats - started');
        var chatLinks = document.querySelectorAll('a[href^="/chat/"]');
        var chatData = {};
        // Collect chat titles and URLs
        for (var i = 0; i < chatLinks.length; i++) {
            var link = chatLinks[i];
            var chatId = link.getAttribute('href').split('/').pop();
            var chatUrl = `https://claude.ai/chat/${chatId}`;
            var chatTitle = link.querySelector('span').innerText;
            chatData[chatUrl] = chatTitle;
        }
        // Store chat data in Tampermonkey shared storage
        GM_setValue('chatData', chatData);
        // Open the first chat URL after a 30-second delay
        var firstChatUrl = Object.keys(chatData)[0];
        location.href=firstChatUrl;
    }

    function onDOMStable() {
        console.log("DOM is stable now.");
        // Your code to execute after DOM is stable
    }

    function observeDOMChanges(targetElement, callback, timeout = 5000) {
        let timer = null;
        let isStable = false;

        const observer = new MutationObserver((mutations) => {
            if (isStable) return; // Already stable, ignore further mutations

            clearTimeout(timer); // Clear any pending timer
            timer = setTimeout(() => {
                isStable = true;
                callback(); // Call the callback when the DOM is considered stable
                observer.disconnect(); // Disconnect the observer
            }, timeout); // Adjust timeout as needed
        });

        observer.observe(targetElement, { childList: true, subtree: true });
    }

    function checkForButton() {
        const button = document.querySelector('button[aria-label="Send Message"]');
        if (button) {
            console.log("RC - Button found!");
            // Your code to execute when the button is found
            console.log('function downloadChatText about to run');
            downloadChatText();
            console.log('function nextPage about to run');
            nextPage();
        }
    }

    if (window.location.href === 'https://claude.ai/chats') {
        console.log('RC - if window.location.href /chats/ - Creating download button');
        // Create a download button
        var downloadButton = document.createElement('button');
        downloadButton.textContent = 'Download All Chats';
        downloadButton.style.position = 'fixed';
        downloadButton.style.top = '10px';
        downloadButton.style.right = '10px';
        downloadButton.style.zIndex = '9999';
        downloadButton.addEventListener('click', downloadAllChats);
        document.body.appendChild(downloadButton);
    }

    if (window.location.href.includes('/chat/')) {
        console.log('RC - if window.location.href includes /chat/ - download and store text;');
        console.log('RC - starting observer');
        observeDOMChanges(document.body, checkForButton);
        console.log('RC - finished observer');
    }

    // Your code here...
})();