# Claude Tuner

> Free Chrome extension that tracks Claude usage limits in real time — across all Claude products.

Claude's rate limits are shared across all products: Chat, Code, Cowork, and Design. Claude Tuner monitors this shared limit, predicts resets, and helps you find the right plan. Trusted by thousands of Claude Pro, Max, Team, and Enterprise users worldwide.

## What It Does

- **Real-Time Usage Monitoring**: Live 5-hour and 7-day usage gauges with reset countdown timers, toolbar badge, sparkline charts, and 6-tier pace indicator (safe to critical)
- **Smart Predictions & Alerts**: Predicts usage at reset based on consumption rate. Configurable threshold notifications at 80% and 95%. Weekly usage reports. Peak hours indicator (weekday 12:00-18:00 UTC). Real-time 429 rate limit detection
- **Plan Simulation & Optimizer**: "What if" simulation for every plan (Pro / Max 5x / Max 20x). Visual exceeded-days comparison. Smart upgrade/downgrade recommendations with cost-efficiency analysis
- **Plan Fitness Score**: At-a-glance fitness rating for your subscription. Percentile ranking among Claude Tuner users. Usage distribution histogram
- **Hourly Activity Heatmap**: 24x7 heatmap of usage patterns. Peak hours and quiet periods. Weekday vs weekend comparison
- **Multi-Organization Support**: Auto-detect active workspace or pin a specific one. Track multiple Claude organizations independently
- **Token Estimation**: Estimated token breakdown by model (Opus / Sonnet / Haiku)
- **Team Dashboard** (free for admins): Per-member usage analytics and rate limit tracking. Token usage leaderboard and cost analytics. Group management with domain-based auto-invite. CSV / Excel export

## Supported Plans

- Pro (1x) / Max 5x / Max 20x
- Team Standard / Team Premium
- Enterprise (seat-based and usage-based)

## Privacy

- **No conversation content** is ever collected — no messages, files, or prompts
- Only usage percentages, reset timestamps, and plan information are collected
- Self-service account deletion available anytime
- Full privacy policy: https://claudetuner.com/privacy/

## Open Source

The Chrome extension source code is publicly available under the MIT license:
https://github.com/chaehyun2/claudetuner

No build step — the source code is byte-for-byte identical to the Chrome Web Store package. Security teams can audit the code and verify the installed extension.

## Links

- Chrome Web Store: https://chromewebstore.google.com/detail/claude-tuner/ajnnckikagphjbgpicpoffockabnhond
- Dashboard (demo): https://claudetuner.com/dashboard/?demo=true
- Team Dashboard (demo): https://claudetuner.com/dashboard/team/?demo=true
- Insights: https://claudetuner.com/dashboard/insights/
- Privacy Policy: https://claudetuner.com/privacy/
- Terms of Service: https://claudetuner.com/terms/
- Notices: https://notice.claudetuner.com/en
- GitHub: https://github.com/chaehyun2/claudetuner
- Server API: https://github.com/chaehyun2/claudetuner/blob/main/API.md

## Technical Details

- Chrome Extension (Manifest V3)
- No build step, no bundler — plain JavaScript
- Service worker background with alarm-based collection
- Supports English and Korean (auto-detected from browser language)

## Contact

- Feedback: https://claudetuner.com/dashboard/settings/ (in-app feedback form)
- Security: https://github.com/chaehyun2/claudetuner/security

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Claude Tuner is not affiliated with or endorsed by Anthropic.
Token limits are community-observed estimates, not official figures.