Export DeepSeek chat to Markdown with accurate formatting, including code blocks, tables, and math formulas.
// ==UserScript==
// @name DeepSeek Chat Exporter
// @name:zh-CN DeepSeek 对话导出工具
// @description Export DeepSeek chat to Markdown with accurate formatting, including code blocks, tables, and math formulas.
// @description:zh-CN 深度优化排版，高保真还原 DeepSeek 聊天的标题、代码块、表格和公式。
// @namespace https://github.com/AstridStark25963/deepseek-chat-exporter
// @version 1.0.0
// @author AstridStark25963
// @license MIT
// @icon data:image/svg+xml;base64,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
// @match *://chat.deepseek.com/*
// @run-at document-idle
// @grant none
// ==/UserScript==
(function() {
'use strict';
const style = document.createElement('style');
style.innerHTML = `
#ds-export-btn {
position: fixed;
bottom: 20px;
right: 20px;
z-index: 999999;
width: 50px;
height: 50px;
border-radius: 50%;
background-color: #4d6bfe;
color: white;
border: none;
cursor: pointer;
box-shadow: 0 4px 12px rgba(77, 107, 254, 0.3);
display: flex;
align-items: center;
justify-content: center;
transition: all 0.2s cubic-bezier(0.25, 0.8, 0.25, 1);
}
#ds-export-btn:hover {
transform: scale(1.1);
box-shadow: 0 6px 16px rgba(77, 107, 254, 0.5);
background-color: #3d5be0;
}
#ds-export-btn:active {
transform: scale(0.95);
}
.ds-export-icon {
width: 24px;
height: 24px;
fill: none;
stroke: currentColor;
stroke-width: 2;
stroke-linecap: round;
stroke-linejoin: round;
}
`;
document.head.appendChild(style);
class DOMToMarkdown {
constructor() {}
convert(element) {
return this._traverse(element).trim();
}
_isCitationLink(node) {
if (!node || node.nodeType !== Node.ELEMENT_NODE) return false;
if (node.classList.contains('ds-markdown-cite')) return true;
if (node.tagName.toLowerCase() === 'a' && node.querySelector('.ds-markdown-cite')) return true;
return false;
}
_traverse(node) {
if (!node) return "";
if (node.nodeType === Node.TEXT_NODE) return node.textContent;
if (node.nodeType === Node.ELEMENT_NODE) {
const tagName = node.tagName.toLowerCase();
if (node.classList.contains('ds-markdown-cite')) {
const num = node.textContent.replace(/[^0-9]/g, '');
if (tagName === 'a') {
const url = node.getAttribute('href') || '';
return `[${num}](${url})`;
}
return num;
}
if (node.classList.contains('md-code-block')) return this._processCodeBlock(node);
if (node.classList.contains('katex-display') || node.classList.contains('katex')) return this._processMath(node);
if (node.classList.contains('ds-icon-button') ||
node.classList.contains('ds-atom-button') ||
node.style.display === 'none' ||
node.classList.contains('ds-icon')) {
return "";
}
let content = "";
const children = Array.from(node.childNodes);
children.forEach((child, index) => {
if (index > 0) {
const prev = children[index - 1];
if (this._isCitationLink(child) && this._isCitationLink(prev)) {
content += " ";
}
}
content += this._traverse(child);
});
switch (tagName) {
case 'h1': return `# ${content}\n\n`;
case 'h2': return `## ${content}\n\n`;
case 'h3': return `### ${content}\n\n`;
case 'h4': return `#### ${content}\n\n`;
case 'h5': return `##### ${content}\n\n`;
case 'h6': return `###### ${content}\n\n`;
case 'p': return `${content}\n\n`;
case 'br': return `\n`;
case 'hr': return `\n---\n\n`;
case 'strong': case 'b': return `**${content}**`;
case 'em': case 'i': return `*${content}*`;
case 'del': case 's': return `~~${content}~~`;
case 'code': return `\`${content}\``;
case 'blockquote': return content.split('\n').map(l => l.trim() ? `> ${l}` : '>').join('\n') + '\n\n';
case 'ul': return this._processList(node, false);
case 'ol': return this._processList(node, true);
case 'li': return content;
case 'a': return `[${content}](${node.getAttribute('href') || ''})`;
case 'img': return `})`;
case 'table': return this._processTable(node);
case 'tbody': case 'thead': case 'tr': case 'td': case 'th': return content;
default: return content;
}
}
return "";
}
_processCodeBlock(node) {
let lang = "";
const banner = node.querySelector('.md-code-block-banner-wrap');
if (banner) {
const clone = banner.cloneNode(true);
clone.querySelectorAll('button').forEach(btn => btn.remove());
lang = clone.textContent.trim().toLowerCase();
}
const pre = node.querySelector('pre');
const code = pre ? pre.textContent : "";
return `\n\`\`\`${lang}\n${code}\n\`\`\`\n\n`;
}
_processMath(node) {
const annotation = node.querySelector('annotation[encoding="application/x-tex"]');
if (annotation) {
const tex = annotation.textContent;
const isDisplay = node.classList.contains('katex-display') || node.tagName.toLowerCase() === 'div';
return isDisplay ? `\n$$${tex}$$\n` : `$${tex}$`;
}
return node.textContent;
}
_processList(node, isOrdered) {
let markdown = "";
const items = Array.from(node.children).filter(n => n.tagName.toLowerCase() === 'li');
items.forEach((li, index) => {
let liContent = "";
const liChildren = Array.from(li.childNodes);
liChildren.forEach((child, i) => {
if (i > 0) {
const prev = liChildren[i - 1];
if (this._isCitationLink(child) && this._isCitationLink(prev)) liContent += " ";
}
liContent += this._traverse(child);
});
const finalContent = liContent.split('\n').map((l, i) => i === 0 ? l : ` ${l}`).join('\n');
const prefix = isOrdered ? `${index + 1}.` : `*`;
markdown += `${prefix} ${finalContent.trim()}\n`;
});
return markdown + '\n';
}
_processTable(node) {
const rows = Array.from(node.querySelectorAll('tr'));
if (rows.length === 0) return "";
let markdown = "\n";
const headerCells = Array.from(rows[0].querySelectorAll('th, td'));
const headers = headerCells.map(c => this._traverse(c).trim());
markdown += `| ${headers.join(' | ')} |\n`;
markdown += `| ${headers.map(() => '---').join(' | ')} |\n`;
for (let i = 1; i < rows.length; i++) {
const cells = Array.from(rows[i].querySelectorAll('td, th'));
const rowData = cells.map(c => this._traverse(c).replace(/\n/g, '<br>').trim());
markdown += `| ${rowData.join(' | ')} |\n`;
}
return markdown + "\n";
}
}
class DeepseekParser {
constructor() {
this.selectors = {
messageBubble: '.ds-message',
aiContent: '.ds-markdown',
thinkContent: '.ds-think-content',
};
this.converter = new DOMToMarkdown();
}
getChatTitle() {
return document.title.replace(' - DeepSeek', '').trim() || 'DeepSeek_Chat';
}
getAllMessages() {
const nodes = document.querySelectorAll(this.selectors.messageBubble);
const messages = [];
nodes.forEach(node => {
const aiContent = node.querySelector(this.selectors.aiContent);
if (aiContent) {
let finalMarkdown = "";
const searchNode = Array.from(node.querySelectorAll('div')).find(div => {
return div.innerText && div.innerText.includes('Read') && div.innerText.includes('web pages') && div.querySelector('.ds-icon');
});
if (searchNode && !finalMarkdown.includes('DeepSearch')) {
const textSpan = Array.from(searchNode.querySelectorAll('span')).find(s => s.innerText.includes('web pages'));
const searchText = textSpan ? textSpan.innerText : "Search Results";
finalMarkdown += `> 🌐 **DeepSearch:** ${searchText}\n>\n\n`;
}
const thinkNode = node.querySelector(this.selectors.thinkContent);
if (thinkNode) {
const thinkMarkdownNode = thinkNode.querySelector('.ds-markdown');
if (thinkMarkdownNode) {
const rawThought = this.converter.convert(thinkMarkdownNode);
finalMarkdown += `> 💭 **DeepThinking...**\n>\n`;
finalMarkdown += rawThought.split('\n').map(line => `> ${line}`).join('\n');
finalMarkdown += `\n\n---\n\n`;
}
}
const allMarkdownNodes = Array.from(node.querySelectorAll(this.selectors.aiContent));
const contentNode = allMarkdownNodes.find(n => !n.closest(this.selectors.thinkContent));
if (contentNode) {
finalMarkdown += this.converter.convert(contentNode);
}
messages.push({ role: 'DeepSeek', content: finalMarkdown });
} else {
messages.push({ role: 'User', content: node.innerText.trim() });
}
});
return messages;
}
}
class ExporterUI {
constructor() {
this.parser = new DeepseekParser();
this.initButton();
}
initButton() {
if (document.getElementById('ds-export-btn')) return;
const btn = document.createElement('button');
btn.id = 'ds-export-btn';
btn.innerHTML = `<svg class="ds-export-icon" viewBox="0 0 24 24"><path d="M21 15v4a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2v-4M7 10l5 5 5-5M12 15V3"/></svg>`;
btn.title = "Export Chat to Markdown";
btn.onclick = () => this.exportChat();
document.body.appendChild(btn);
}
async exportChat() {
const messages = this.parser.getAllMessages();
if (messages.length === 0) {
alert('未找到对话记录，请确保页面已加载完毕。');
return;
}
const title = this.parser.getChatTitle();
let markdown = `# ${title}\n\n`;
messages.forEach((msg, index) => {
const roleTitle = msg.role === 'DeepSeek' ? '🤖 DeepSeek' : '👤 User';
markdown += `## ${roleTitle}\n\n`;
markdown += `${msg.content}\n\n`;
if (msg.role === 'DeepSeek' && index < messages.length - 1) {
markdown += `---\n\n`;
}
});
this.downloadFile(markdown, title);
}
downloadFile(content, title) {
const now = new Date();
const timestamp = now.toISOString().replace(/[-:T]/g, '').slice(0, 14);
const safeTitle = title.replace(/[\\/:*?"<>|]/g, '_').substring(0, 50);
const filename = `${safeTitle}_${timestamp}.md`;
const blob = new Blob([content], { type: 'text/markdown' });
const url = URL.createObjectURL(blob);
const a = document.createElement('a');
a.href = url;
a.download = filename;
document.body.appendChild(a);
a.click();
document.body.removeChild(a);
URL.revokeObjectURL(url);
}
}
setTimeout(() => {
new ExporterUI();
}, 2000);
})();