JProfiler is an award-winning all-in-one Java profiler. JProfiler's intuitive GUI helps you find performance bottlenecks, pin down memory leaks and resolve threading issues.

Top 10 reasons why you should choose JProfiler as your Java profiler. Check out the supported platforms, J2EE application servers and IDEs Look at the demos Download an evaluation version Order ej-technologies' Java profiler

All major new features in JProfiler 5.1 are described on the What's new in JProfiler 5.1 page. Detailed information about all changes is available in the changelog.

Upgrade notice: If you own a copy of JProfiler 3 or 4 and have support for it, you can upgrade your old license key online. If you do not have support anymore, you can purchase an upgrade.