InterBase Workbench is a developer and administration tool for the InterBase and Firebird database engines. It has detailed and easy-to-use object editors for all database objects, a datapump tool, visual grant manager, query builder, export data tool, extensive test-data-generator tool and much more.
This software is a shareware. You will be able to download and test InterBase Workbench during a certain period of time, then, if it does what you need, you will have to acquire the full version from InterBase Workbench publisher. The InterBase Workbench 1.3.5 free trial version contains an installer and an uninstaller, and has a size of 4000 Kilobytes.
For additional information and support request, please contact directly InterBase Workbench publisher.

InterBase Workbench Screenshot