---
title: "Core link handler"
manual: "TYPO3 Explained"
version: "11.5"
permalink: "https://docs.typo3.org/permalink/t3coreapi:core-link-handler@11.5"
source: "ApiOverview/LinkHandling/CoreLinkHandler.rst"
rendered: "2026-10-21T15:30:00+00:00"
---

> [!WARNING]
> **Attention**
>
> TYPO3 v11 has reached end-of-life as of October 31th 2024 and
> is no longer being maintained. Use the version switcher on the top
> left of this page to select documentation for a supported version of TYPO3.
>
> Need more time before upgrading?
> You can purchase Extended Long Term Support (ELTS) for TYPO3 v11 here:
> [TYPO3 ELTS](https://typo3.com/services/extended-support-elts).

# Core link handler {#core-link-handler}

The Core link handler, implementing the
`\TYPO3\CMS\Core\LinkHandling\LinkHandlingInterface` described here
matches between different internal representations of a link. It is not
to be mixed up with the [backend link handler](https://docs.typo3.org/permalink/t3coreapi:linkhandler@11.5), commonly
also just called link handler. The latter implements the
`\TYPO3\CMS\Backend\LinkHandler\LinkHandlerInterface` and renders a
tab in the link browser.

You can find the built-in Core link handlers in
`EXT:core/Classes/LinkHandling`.

In the tutorial section we provide an example on how to implement a
[custom Core link handler](https://docs.typo3.org/permalink/t3coreapi:tutorial-core-link-handler@11.5).