diff --git a/Build/Scripts/runTests.sh b/Build/Scripts/runTests.sh
index 020014a..2ac3d22 100755
--- a/Build/Scripts/runTests.sh
+++ b/Build/Scripts/runTests.sh
@@ -156,6 +156,7 @@ Options:
             - composerUpdateMax: "composer update", with no platform.php config.
             - composerUpdateMin: "composer update --prefer-lowest", with platform.php set to PHP version x.x.0.
             - docsGenerate: Renders the extension ReST documentation.
+            - fix: Runs all automatic code style fixes.
             - functional: PHP functional tests
             - lintCss: CSS file linting. Set -n for dry-run.
             - lintJs: JavaScript file linting. Set -n for dry-run.
@@ -542,6 +543,15 @@ case ${TEST_SUITE} in
         ${CONTAINER_BIN} run ${CONTAINER_INTERACTIVE} --rm --pull always ${USERSET} -v "${ROOT_DIR}":/project ${IMAGE_DOCS} --config=Documentation --fail-on-log
         SUITE_EXIT_CODE=$?
         ;;
+    fix)
+        COMMAND="composer fix"
+        ${CONTAINER_BIN} run ${CONTAINER_COMMON_PARAMS} --name composer-command-${SUFFIX} -e COMPOSER_CACHE_DIR=.cache/composer -e COMPOSER_ROOT_VERSION=${COMPOSER_ROOT_VERSION} ${IMAGE_PHP} /bin/sh -c "${COMMAND}"
+        COMMAND="echo ${HELP_TEXT_NPM_CI}; npm ci --silent || { echo ${HELP_TEXT_NPM_FAILURE}; exit 1; } && npm run fix:lint:js"
+        ${CONTAINER_BIN} run ${CONTAINER_COMMON_PARAMS} --name npm-command-${SUFFIX} ${IMAGE_NODE} /bin/sh -c "${COMMAND}"
+        COMMAND="echo ${HELP_TEXT_NPM_CI}; npm ci --silent || { echo ${HELP_TEXT_NPM_FAILURE}; exit 1; } && npm run fix:lint:css"
+        ${CONTAINER_BIN} run ${CONTAINER_COMMON_PARAMS} --name npm-command-${SUFFIX} ${IMAGE_NODE} /bin/sh -c "${COMMAND}"
+        SUITE_EXIT_CODE=$?
+        ;;
     shellcheck)
         ${CONTAINER_BIN} run ${CONTAINER_INTERACTIVE} --rm --pull always ${USERSET} -v "${ROOT_DIR}":/project:ro -e SHELLCHECK_OPTS="-e SC2086" ${IMAGE_SHELLCHECK} /project/Build/Scripts/runTests.sh
         SUITE_EXIT_CODE=$?
diff --git a/Documentation/Running.rst b/Documentation/Running.rst
index 718ec01..b3e96c9 100644
--- a/Documentation/Running.rst
+++ b/Documentation/Running.rst
@@ -106,6 +106,13 @@ Lints the TypoScript files.
 
 Lints the YAML files.
 
+.. index:: Commands; composer fix
+.. code-block:: bash
+
+    composer fix
+
+Runs all fixers (except for the ones that need JavaScript).
+
 .. index:: Commands; composer fix:php
 .. code-block:: bash
 
diff --git a/composer.json b/composer.json
index 6ea8a19..f4e6b7f 100644
--- a/composer.json
+++ b/composer.json
@@ -174,6 +174,10 @@
 		"ci:yaml:lint": "find . ! -path '*.Build/*' ! -path '*node_modules/*' \\( -name '*.yaml' -o -name '*.yml' \\) | xargs -r php ./.Build/bin/yaml-lint",
 		"coverage:create-directories": "mkdir -p build/coverage build/logs",
 		"docs:generate": "docker run --rm --pull always -v $(pwd):/project -it ghcr.io/typo3-documentation/render-guides:latest --config=Documentation",
+		"fix": [
+			"@fix:composer:normalize",
+			"@fix:php"
+		],
 		"fix:composer:normalize": "@composer normalize --no-check-lock",
 		"fix:php": [
 			"@fix:php:rector",
@@ -234,6 +238,7 @@
 		"ci:yaml:lint": "Lints the YAML files.",
 		"coverage:create-directories": "Creates the directories needed for recording and merging the code coverage reports.",
 		"docs:generate": "Renders the extension ReST documentation.",
+		"fix": "Runs all automatic code style fixes.",
 		"fix:composer:normalize": "Normalizes composer.json file content.",
 		"fix:php": "Runs all fixers for the PHP code.",
 		"fix:php:cs": "Fixes the code style with PHP-CS-Fixer.",