Claude Code Companion

The must-have Chrome extension for Claude Code and AI-assisted development. Claude Code Companion puts everything you need at your fingertips — no more switching tabs, no more forgetting commands, no more guessing token costs. CLAUDE.md Generator Scaffold a professional CLAUDE.md file in seconds. Choose your project type (Next.js, React, Node.js, Python, iOS/Swift, or General) and get a complete, best-practices template with: - Project overview structure - Code style guidelines - Architecture documentation - Testing conventions - Common commands - Deployment instructions - Important notes and pitfalls Every template is based on real-world production patterns used by professional developers. Token Counter Paste any text and instantly see: - Estimated token count (~4 chars/token approximation) - Character, word, and line counts - Visual context window usage bar (200K max) with color-coded zones (green/yellow/red) - Cost estimates for Haiku 3.5, Sonnet 4, and Opus 4 models Know exactly how much context you're using before you send. Prompt Templates Library 8 battle-tested prompt templates with fillable variables: - Code Review — thorough review with severity levels - Bug Fix — systematic root cause analysis - Feature Build — plan and implement new features - Refactoring — improve code without changing behavior - Write Tests — comprehensive test suite generation - Documentation — clear, useful docs with examples - Security Audit — OWASP-informed vulnerability scanning - Performance — bottleneck analysis with complexity estimates Each template has smart placeholders you fill in — then copy the complete prompt with one click. Quick Reference Complete Claude Code cheat sheet always one click away: - All slash commands (/compact, /clear, /init, /review, etc.) - Keyboard shortcuts - CLI flags (--print, --model, --resume, etc.) - Configuration file locations - Tips and tricks for power users Design - Premium dark theme designed for developers - Purple accent (#7c4dff) — distinctively AI-themed - Clean, modern interface at 420x550px - One-click copy for all generated content Privacy First - NO permissions required — fully self-contained - NO data collection — everything runs locally in the popup - NO network requests — works completely offline - NO tracking — zero analytics, zero telemetry ⸻ Built for developers who use Claude Code every day. Free and open. If you find it useful, consider buying the developer a coffee.