Real-time performance metrics for local development

XRebel provides real-time feedback on application performance in local development to find and fix bugs faster.

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Validate code changes in real time

The in-browser widget provides moment-by-moment developer-tailored reports to understand the performance impacts of code changes quickly and easily.

Made for developers

Only see the data you need, when you need it. XRebel cuts out the noise to help find and fix the biggest offenders in your code before they hit production.

Transactional

Follow requests through different threads, applications and JVMs.

Built for everybody

Useful for experts and junior developers alike.

Actionable data

Method-level drilldowns for pinpointing performance issues.

Rapid feedback

Continuous performance tuning for better code quality.

Key features

Application profiling

Track the time spent on each request. Find slow methods and make them run faster.

Messages and jobs

Monitor messages and background jobs. Fix resource hogs.

Database and NoSQL

Get insight into database activity. Spot methods that query too much.

Exceptions

Discover hidden exceptions. Follow the stack trace and fix the problems.

Web services and RMI

Get a detailed overview of invocations executed. Detect slow calls.

Logging

Find relevant info without digging. View only the logs emitted during requests.

Get Started

XRebel signup

Download

Get your XRebel Trial. It’s free. No credit card information needed.

Try it free

Set up

Extract the archive. Add the xrebel.jar to your server startup (using -javaagent).

Run

Launch your web application. Find the XRebel toolbar in the bottom left corner of the browser.