LogPeak Documentation
LogPeak is a desktop log viewer powered by DuckDB. It runs entirely on your machine — no cloud accounts, no subscriptions, no data leaving your computer.
What You Can Do
- Import logs from local files or S3 — Drop JSONL files or connect directly to your S3 buckets
- Search millions of lines instantly — Full-text search with a Lucene-like query syntax
- Visualize log volume over time — Interactive timeline chart with brush selection for drill-down
- Analyze with AI — Connect LogPeak to Claude or other AI tools via MCP integration
LogPeak vs Cloud Log Services
| LogPeak | Cloud Services (Datadog, New Relic, etc.) | |
|---|---|---|
| Monthly cost | Free / $49 one-time | $100+ / month |
| Data privacy | All data stays on your machine | Data uploaded to third-party servers |
| Setup time | Download and start in seconds | Account creation, agent setup, data pipeline |
| S3 logs | Browse and analyze directly | Requires data ingestion pipeline |
Getting Started
New to LogPeak? Start with Install to download and set up the app, then follow along with importing your first log file.