Developing & Using Extensions

Extension Development

Getting started with extension development
TYPO3 Explained - API Quicklinks

Extension Manuals

System Extensions

Here you can find documentation of system extensions and third-party extensions, if available.

System extensions are shipped with the TYPO3 core. A list of all available system extension documentation is found in the system extensions section.

Third-party extensions

Third-party extensions are available through the TYPO3 Extension Repository (TER) or via composer.

Go to the TYPO3 Extension Repository (TER) to search for documentation of third-party extensions.

Document an extension

Documentation is an essential part of an extension. Learn how to document an extension and publish the documentation on