Claude Code Companion is a free Chrome extension designed to enhance productivity for developers working with Claude Code. This comprehensive tool offers a CLAUDE.md generator, a token counter, a library of prompt templates, and a quick reference guide, all aimed at streamlining the development process. It eliminates the need to switch tabs or remember commands, providing everything developers need in one convenient location.

The CLAUDE.md generator creates professional project documentation templates tailored to various programming environments such as Next.js, React, and Python. The token counter allows developers to analyze their text for token usage and estimates costs for different AI models. Additionally, the prompt templates cover a wide range of development tasks, from code reviews to performance analysis, while the quick reference section includes essential commands and tips for efficient coding.