CodeViz

About CodeViz

CodeViz is a Visual Studio Code (VS Code) extension designed to generate interactive diagrams of codebases, ranging from high-level system architecture to detailed function call graphs. Its core purpose is to significantly improve codebase understanding and navigation, thereby boosting developer productivity and reducing the time spent deciphering existing code. Key features include interactive codebase maps that allow developers to explore the code's structure at various levels of detail, click-to-code navigation for direct access to specific code sections, natural language search for querying the code in plain English, and smart suggestions to assist users in formulating effective search queries. It offers universal language support using large language models (LLMs) and facilitates LLM prompt generation with context from the entire codebase. Diagrams can be shared with other CodeViz users and exported in Mermaid format or as Draw.io files. CodeViz can be used by individual developers to understand complex codebases, development teams to facilitate collaboration, and enterprise-level projects to support large-scale codebases. It assists in onboarding new developers and helps in code refactoring and maintenance. The tool's unique selling points include multi-level visualization, AI-powered querying, and a focus on data privacy by processing code locally and maintaining zero-day retention policies with API providers. Technically, CodeViz requires VS Code version 1.60.0 or later and an active internet connection. It uses Anthropic's AI models for diagram generation. CodeViz is integrated with VS Code. The tool has been recognized as a Y Combinator company (S24). Recent updates focus on performance improvements, enhanced reliability, visualization updates, and code analysis improvements, including major overhauls to the layout engine and platform.

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