# Introduction to Capture

> Learn what Braking Lab Capture is and how it turns your iRacing and Le Mans Ultimate sessions into personalized training.

**Braking Lab Capture** is a lightweight Windows desktop app that turns your **iRacing** and **Le Mans Ultimate (LMU)** sessions into personalized braking training. Race as you normally would — Capture takes care of the rest.

## Supported Simulators

| Simulator | File Format | Status |
|-----------|-------------|--------|
| **iRacing** | `.ibt` telemetry files | Fully supported |
| **Le Mans Ultimate** | `.duckdb` telemetry files | Fully supported |

## Why Use Capture?

- **Train with your real data** — Every braking zone you drive becomes a training exercise tailored to your actual driving
- **Zero effort after setup** — Just race. Your laps appear in the web app automatically
- **Works while you race** — Runs silently in the background with no impact on sim performance
- **Never lose a session** — Even offline, your data is saved locally and syncs when you're back online
- **Import your history** — Bring in past sessions from the last 7, 30, or 90 days
- **Multi-sim support** — Switch between iRacing and LMU seamlessly, with a unified session library

## What You Get

For every lap you drive, Capture gives you:

- **Braking zone analysis** for every corner — see exactly where and how you brake
- **Speed profiles** — entry and exit speeds to track your consistency
- **Track maps** — your racing line visualized on a GPS-style map
- **Lap and sector times** — compare yourself across sessions
- **Corner-specific exercises** — generated from your real data in the web app
- **Cross-sim leaderboard** — compare lap times across both simulators

## Getting Started

Ready to set up Capture? [Download the latest version](https://braking-lab-releases.brakinglab.workers.dev/capture/download/latest) and head to the [Quick Start](/en/docs/capture/quick-start) guide to get running in minutes.

For simulator-specific configuration:
- [iRacing Setup](/en/docs/capture/iracing-setup) — Enable iRacing telemetry export
- [LMU Setup](/en/docs/capture/lmu-setup) — Configure Le Mans Ultimate telemetry

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## Third-Party Services Disclaimer

iRacing® is a third-party service not affiliated with Braking Lab. All trademarks and rights belong to iRacing.com Motorsport Simulations, LLC. Le Mans Ultimate™ is a product of Motorsport Games. Braking Lab is not responsible for the availability, functionality, or any changes to these services.