Substack Insights od Mona Mona

Helps Substack creators understand their publication's performance through comprehensive analytics.

Features:
- Post performance metrics (likes, comments, restacks)
- Engagement trends and posting frequency analysis
- Top performing posts identification
- Best posting times and day-of-week breakdowns
- Export analytics to CSV/ZIP
- 100% local processing - no data leaves your browser

Privacy-First Design:
All analysis happens locally in your browser. No servers, no tracking, no data collection. Your Substack data stays private.

How it works:
1. Log-in to your Substack publication
2. Click the extension to analyze posts
3. View insights in the sidebar or see even more in the full dashboard
4. Export data for further analysis (you can use your favorite LLM, sample prompts included).

Perfect for creators who want data-driven insights while maintaining complete privacy.

Note: This is an unofficial tool, not affiliated with Substack.