Go from Log Chaos to Clear Insight, Instantly.
A blazingly fast command-line tool for log analysis.
Production is down and every second counts. LogLens is your high-speed toolkit for structured log analysis, data sanitization, and incident response, right in your terminal.
Get Started for FreeInteractive Log Explorer & TUI
Start with the interactive TUI to visually explore structured logs, then use the command-line engine for powerful statistical analysis.
Want to see more? Check out the Use Cases page for more practical examples.
Why choose LogLens for Log Analysis?
Built for engineers who value speed, efficiency, and privacy.
Blazing Speed
Search and query massive log files in seconds. Built in Rust and parallelized to use all your CPU cores, LogLens outperforms traditional text-processing tools.
Ergonomic Query Syntax
Ditch complex jq filters. LogLens offers a natural, intuitive query language designed specifically for JSON and structured logs.
Slash Cloud Costs
Stop paying for expensive hot storage. Archive logs to cheap S3 and analyze compressed logs locally. LogLens processes .gz files on the fly.
100% Local & Private
It's a single, dependency-free binary that runs on your machine. Your sensitive data and PII never leave your secure environment.
Open Source Core
Built on transparency. The high-performance parsing engine (loglens-core) is MIT-licensed.
Features: Free vs Pro
| Feature | Free Tier | Pro Tier |
|---|---|---|
| High-Performance Text & Regex Search (`search`) | ✅ | ✅ |
| Search with Context, Squashing, & JSON Output | ✅ | ✅ |
| Gzip Compression & Decompression (`compress`) | ✅ | ✅ |
| Automatic Self-Updating (`update`) | ✅ | ✅ |
| Discover Log Schema (`fields`) | ✅ | ✅ |
| Fluent Structured Queries (`query`) | ✅ | ✅ |
| High-Precision Time Filtering (`--since`) | ✅ | ✅ |
| Optimized Result Counting (`count`) | ✅ | ✅ |
| Live Log Tailing & Filtering (`watch`) | ✅ | ✅ |
| Log Sanitization (`sanitize`) | ✅ | ✅ |
| Instant Statistical Summaries (`stats`) | ❌ | ✅ |
| Interactive TUI Explorer (`tui`) | ✅ | ✅ |
Install LogLens CLI
LogLens is a single, portable binary with no dependencies.
VS Code Extension NEW
Get syntax highlighting and structured query directly in your editor:
ext install caelrith.loglens-vscodemacOS & Linux (via Homebrew)
brew tap Caelrith/loglens
brew install loglensmacOS & Linux (via Shell)
curl -sSL https://download.getloglens.com/install.sh | shWindows (via PowerShell)
irm https://download.getloglens.com/install.ps1 | iex100% Local & Private
LogLens runs entirely on your machine. Your logs and data are never uploaded or sent anywhere.
Security is our top priority. Read our Trust & Safety pledge.