ChatLab

ChatLab is a free, open-source, local-first chat history analysis tool. It supports importing records from WhatsApp, QQ, LINE, Discord, Instagram, Telegram, and iMessage, and offers visual analytics and AI-powered conversation features — with all data stored locally, never uploaded to the cloud.

How to Use ChatLab

• Introduction — Learn what ChatLab is and what it can do.
• Quick Start — Step-by-step guide to installing ChatLab and importing your first chat records.
• Export & Import — Export chat records from WhatsApp, QQ, LINE, and other platforms and import them into ChatLab.
• Configure AI — Connect OpenAI, Claude, DeepSeek, or other AI models to analyze your chat history in natural language.
• Troubleshooting — Fix common issues with failed imports, unsupported formats, and AI configuration errors.

For Developers: Integrating with ChatLab

• API & Standards — ChatLab's local REST API for querying, importing, and analyzing chat data from external tools.
• ChatLab Format — The open chat data interchange format for cross-platform data compatibility.
• Push Import Protocol — Push external chat data into ChatLab via HTTP.
• Pull Data Source Protocol — Expose standard HTTP endpoints so ChatLab can pull remote chat data on demand.
• AI Conversion Guide — Use AI to convert unsupported chat export formats into ChatLab Format.

Contributing

• Development Guide — Local development setup, repo structure, architecture boundaries, and PR guidelines for ChatLab.

More

• Website & Roadmap — Download ChatLab desktop app or CLI, view the product roadmap, and find community links.