FlashFirebug (now Flash Debugger) gives you the ability to debug any AS3 Flash on the web. Inspect the DisplayList, change properties on the fly and see the warnings, errors and traces directly in the extension. Use the inspector to hone in on elements, transform objects on the fly and use the console to run AS3 commands.

FlashFirebug (now Flash Debugger) is a Firefox extension for debugging SWF files inside the browser. You will be provided with 2 days free trial (now charging 50¢ to avoid trial abuse). We hope you find this extension useful. By purchasing, you will be contributing to its ongoing development. You will also get:

- Trace logging: View traces, warnings and errors directly inside this extension.
- Property editor: Select Display List objects and change their properties on the fly!
- AS3 console: Allows you to run AS3 against SWF files.
- SWF Inspector: Navigate your display tree by hovering over the live Flash.
- 3D transformation tool: Transform objects in SWF files with your mouse.
- SWF Explorer: Allows you to access the assets inside online SWFs.
- Performance Profiler: Check out what's slowing down your SWF!
- Upgrades: All future bug fixes, updates and new features.

FlashFirebug's license is for a single developer, regardless of how many machines it's used on. You can use the same email for multiple licenses.