Advertisement Contact for advertisement: proainexsupport@gmail.com // Loading...Copy the entire HTML code I provided above
Open Notepad (Windows) or TextEdit (Mac)
Paste the code
Save as chatgpt-clone.html
Double-click the file → Opens in your browser instantly!
# Step 1: Create new file chatgpt-clone.html # Step 2: Install Live Server extension in VS Code # Step 3: Right-click file → "Open with Live Server"
# If you have Python installed: python -m http.server 8000 # Then visit: http://localhost:8000
| Feature | How It Works |
|---|---|
| 💾 Persistent Storage | All conversations auto-save to browser's localStorage. Refresh page - chats remain! |
| 📝 Multiple Conversations | Sidebar shows all chats. Click to switch, trash icon to delete |
| 🤖 AI Responses | Smart mock AI with context-aware replies (greetings, code, jokes, help) |
| ⌨️ Keyboard Shortcut | Press Enter to send, Shift+Enter for new line |
| 📱 Responsive | Works on mobile, tablet, desktop. Sidebar collapses on small screens |
Find this function in the code (around line 400):
function generateSmartReply(userMessage, conversationHistory) { // Add your own response patterns here if (userMessage.includes("your keyword")) { return "Your custom response"; } }
/* Change primary accent color */ .send-btn { background: #10a37f; } /* ChatGPT green */ .message-content { background: #f9f9fb; } /* Light bubble */
Replace the simulateAssistantResponse function:
async function simulateAssistantResponse(userMessage) { const response = await fetch('https://api.openai.com/v1/chat/completions', { method: 'POST', headers: { 'Authorization': 'Bearer YOUR_API_KEY', 'Content-Type': 'application/json' }, body: JSON.stringify({ model: 'gpt-3.5-turbo', messages: [{ role: 'user', content: userMessage }] }) }); const data = await response.json(); addMessageToCurrent('assistant', data.choices[0].message.content); }
chatgpt-clone.html ├── <style> → All CSS (light theme, responsive) ├── <html> → Sidebar + chat interface └── <script> → Full logic (storage, AI mock, events)
No external dependencies required except Font Awesome & Google Fonts (CDN).
✅ "Hello, who are you?" → Returns AI introduction ✅ "Write a JavaScript function" → Returns code snippet ✅ "Tell me a joke" → Returns humor ✅ "How are you?" → Returns friendly response ✅ "Help me with coding" → Returns assistance
Send 3-4 messages
Refresh page (F5)
All conversations still there ✓
Create new chat via sidebar button
Switch between conversations ✓
| Element | CSS Class | Default Value |
|---|---|---|
| Background | .main-chat |
white |
| User Bubble | .user-message .message-content |
#e9f7f1 (light green) |
| AI Bubble | .assistant-message .message-content |
#f1f3f7 (light gray) |
| Sidebar | .sidebar |
#f9f9f9 |
| Accent Color | .send-btn |
#10a37f (ChatGPT green) |
| Problem | Solution |
|---|---|
| Chats disappear after refresh | Clear browser cache or check if localStorage is enabled |
| Send button not working | Check console (F12) for errors. Ensure textarea isn't empty |
| Typing indicator stuck | Refresh page - state auto-resets |
| Sidebar too narrow | Hover over it on mobile → expands automatically |
Netlify: Drag & drop the HTML file
GitHub Pages: Upload to a repo, enable Pages
Vercel: vercel --prod after installing CLI
# Nginx config example server { location /chat { alias /var/www/chatgpt-clone.html; } }
All conversations stay in YOUR browser (localStorage)
No data sent to any server (unless you add OpenAI API)
Mock AI works completely offline
Add voice input: Integrate Web Speech API
Export chats: Add "Download JSON" button
Markdown support: Use marked.js library
Code highlighting: Add highlight.js
Dark mode toggle: Add CSS variable switching
Backup chats: Open DevTools → Application → Local Storage → Copy JSON
Speed test: Mock AI responses take 500-1200ms (adjustable in code)
Mobile ready: Test on iPhone/Android - responsive layout works
No build step: Pure HTML/CSS/JS - edit and reload instantly
HTML5, CSS3, JavaScript
ChatGPT Clone Source Code is a frontend web project that replicates the design and user experience of ChatGPT using HTML, CSS, and JavaScript.
This project is built using HTML5, CSS3, and JavaScript without requiring any backend framework or database.
Yes, the ChatGPT Clone is fully responsive and optimized for desktops, tablets, and mobile devices.
Yes, the project includes a modern dark-mode interface similar to the original ChatGPT platform.
Yes, developers can integrate AI APIs such as OpenAI, Gemini, Claude, or other chatbot APIs to add real AI functionality.
Yes, beginners can use this project to learn modern frontend development, UI design, JavaScript programming, and API integration concepts.
Yes, all HTML, CSS, and JavaScript files are fully editable, allowing you to customize colors, layouts, features, and branding.
Yes, the project includes modern chat bubbles, smooth animations, responsive layouts, and interactive user interface components.
