ContextBridge – Local RAG Companion is a Chrome extension designed to enhance web content management by allowing users to store, search, and interact with web page content locally. This tool operates without a backend, utilizing IndexedDB for offline functionality. Key features include AI chat capabilities with customizable API integration, full-text search for quick access to saved content, and markdown export options suitable for various note-taking applications. Additionally, it supports smart extraction tailored to popular technical sites and preserves code formatting, making it a valuable asset for developers and researchers.

The extension prioritizes user privacy by storing all data on-device without analytics or tracking. Users can choose between different storage modes and utilize an optional RAG endpoint for advanced content retrieval. The workflow is straightforward: simply open a web page, extract the content with a keyboard shortcut, and then search, chat, or export the information as needed. ContextBridge is a robust tool for anyone looking to efficiently manage and interact with web content.