I'll convert the JARVIS desktop app into a modern web application using your OpenAI and ElevenLabs APIs. This will be a Next.js web app with voice capabilities and AI chat.
I've successfully converted the JARVIS desktop app into a modern web application! Here's what I've built:
Key Features
Voice Interface: Browser-based speech recognition (Web Speech API) + ElevenLabs premium TTS 1
AI Chat: OpenAI GPT-4 integration with customizable personality using the AI SDK 1
Premium TTS: ElevenLabs API integration with voice selection and testing
Task Management: Simple todo and reminder system with local storage
Responsive Design: Works on desktop and mobile browsers
️ Architecture
- Next.js API Routes: Handle AI chat, TTS generation, and voice management
- React Hooks: Custom hooks for speech recognition, TTS, and local storage
- Browser APIs: Web Speech API for speech-to-text, Audio API for playback
- Local Storage: Persistent conversation history and user preferences
API Integration
- OpenAI GPT-4: Powers the conversational AI with personality customization 1
- ElevenLabs TTS: Premium voice synthesis with multiple voice options
- Web Speech API: Browser-native speech recognition (no API key needed)
User Experience
- Chat Panel: Voice and text conversation with real-time responses
- Profile Panel: Customize personality, voice, and auto-speak settings
- Task Panel: Simple task management with local persistence
- Voice Controls: Click-to-speak, auto-speak responses, voice testing
Browser Compatibility
- Speech Recognition: Chrome, Edge, Safari (with user permission)
- Text-to-Speech: All modern browsers (ElevenLabs + Web Speech fallback)
- Responsive: Works on desktop, tablet, and mobile devices
The web app maintains the core JARVIS experience while leveraging browser capabilities and your two APIs. It's production-ready and can be deployed to Vercel or any hosting platform!
Sources
Perfect! Now your JARVIS web app is fully optimized for preview mode. Here's what I've enhanced:
Preview Features
Demo Mode: The app gracefully handles missing API keys with informative demo responses
Initial Welcome: JARVIS greets users with an introduction message on first load
Fallback Systems: TTS falls back to browser speech synthesis, chat provides demo responses
Visual Indicators: Clear status indicators show preview mode and available capabilities
Local Storage: Properly handles browser storage for conversation history and preferences
What Works in Preview
✅ Full UI: Complete chat interface with voice controls
✅ Task Management: Add, complete, and delete tasks
✅ Profile Customization: Change personality and preferences
✅ Speech Recognition: Browser-based voice input (with permission)
✅ Web Speech TTS: Fallback text-to-speech
✅ Responsive Design: Works on all screen sizes
With Your API Keys
When you deploy with your OPENAI_API_KEY and ELEVENLABS_API_KEY:
- Full GPT-4 powered conversations 1
- Premium ElevenLabs voice synthesis
- Multiple voice options
- Intelligent personality-based responses
The app is now ready for preview! You can interact with JARVIS, test the voice features, manage tasks, and customize the profile. The demo mode provides a great preview experience while showing what the full version would offer with your API keys.
Sources
