Switch users: Masquerade as any user using your admin login

Change theme images inline with just a few clicks

Easily find and edit the templates used to construct any screen

Error monitoring: Get informed by e-mail if errors happen on your site.

Make inline changes to content titles

Easy text changes: Easily change the language strings used to build up any screen.

Easily diagnose permission configuration problems: Log permission checks, or interactively display them in Firefox.

Testing platform: Use our testing_platform non-bundled addon when developing with Composr to ensure nothing has been broken.

Profiler: Use the documented profiling tool to monitor intensive logic and their time / memory consumption.

Health check: Use the bundled health check to routinely run site checks and report any issues or failures detected.