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ChatLab is an open source desktop application designed to help users analyze and better understand their personal chat histories through structured data exploration and AI-assisted insights. It enables users to import chat exports from multiple messaging platforms and transform them into a unified data model for consistent analysis. By combining a flexible SQL engine with AI agents, the tool allows users to query, summarize, and explore conversation patterns in a more interactive and intelligent way. ChatLab emphasizes a local-first approach, meaning all chat data is processed and stored on the user’s device rather than being uploaded to external servers. It supports large-scale datasets through streaming parsing and multi-worker processing, allowing it to handle millions of messages efficiently. ChatLab also includes visualization features that present trends, activity patterns, and interaction metrics in a clear and accessible format.
Features
- Local-first data processing keeps chat records stored and analyzed on-device
- SQL-based query system for flexible and custom data exploration
- AI agent integration for searching, summarizing, and analyzing chats
- Multi-platform support with normalized data across different chat formats
- Visualization dashboards showing trends, rankings, and activity patterns
- High-performance processing using streaming and multi-worker architecture
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