---
title: "TYPO3 Low Level"
manual: "Low Level"
version: "main"
permalink: "https://docs.typo3.org/permalink/typo3/cms-lowlevel:typo3-low-level@main"
source: "Index.rst"
start: true
rendered: "2026-10-03T08:20:05+00:00"
---

# TYPO3 Low Level {#typo3-low-level}

-   *Extension key:* lowlevel
-   *Package name:* typo3/cms-lowlevel
-   *Version:* release
-   *Language:* en
-   *Author:* TYPO3 contributors
-   *License:*

    This document is published under the
    [Creative Commons BY 4.0](https://creativecommons.org/licenses/by/4.0/)
    license.

-   *Rendered:* today

---

The Low Level extension provides command line scripts for technical analysis of
the system. This includes raw database search, checking relations, counting
pages and records.

---

**[Introduction](https://docs.typo3.org/permalink/typo3/cms-lowlevel:introduction@main)**

Gives an introduction on what this extension can be used for. Aims
at new system administrators and developers.

**[Command line](https://docs.typo3.org/permalink/typo3/cms-lowlevel:command-line@main)**

Explains the commands provided by the lowlevel extension and
how to use them.

**[Backend modules](https://docs.typo3.org/permalink/typo3/cms-lowlevel:backend-modules@main)**

Explains the two backend modules
[System > Configuration](https://docs.typo3.org/permalink/typo3/cms-lowlevel:module-configuration@main) and
[System > Database](https://docs.typo3.org/permalink/typo3/cms-lowlevel:module-db-check@main) provided by this extension.

**Table of Contents:**

-   [Introduction](https://docs.typo3.org/permalink/typo3/cms-lowlevel:ext-lowlevel-modules-and-tools-to-handle-internal-lowlevel-data@main)
-   [Installation](https://docs.typo3.org/permalink/typo3/cms-lowlevel:installation-of-system-extension-lowlevel@main)
-   [Backend Modules](https://docs.typo3.org/permalink/typo3/cms-lowlevel:backend-modules-provided-by-ext-lowlevel@main)
    -   [Database](https://docs.typo3.org/permalink/typo3/cms-lowlevel:module-system-database@main)
    -   [Configuration](https://docs.typo3.org/permalink/typo3/cms-lowlevel:module-system-configuration@main)
-   [Command line](https://docs.typo3.org/permalink/typo3/cms-lowlevel:command-line-tools-provided-by-ext-lowlevel@main)
-   [Configuration](https://docs.typo3.org/permalink/typo3/cms-lowlevel:configuration-of-the-ext-lowlevel-modules@main)
    -   [TSconfig](https://docs.typo3.org/permalink/typo3/cms-lowlevel:user-tsconfig-of-the-module-full-search@main)
-   [Events](https://docs.typo3.org/permalink/typo3/cms-lowlevel:psr-14-events-in-ext-lowlevel@main)