diff --git a/.eslintrc.json b/.eslintrc.json
index 9e0f38b..9360b68 100644
--- a/.eslintrc.json
+++ b/.eslintrc.json
@@ -13,8 +13,7 @@
         "plugin:promise/recommended",
         "plugin:security/recommended",
         "plugin:vue/vue3-recommended",
-        "plugin:storybook/recommended",
-        "plugin:prettier/recommended"
+        "plugin:storybook/recommended"
     ],
     "parserOptions": {
         "ecmaVersion": "latest",
@@ -23,7 +22,6 @@
     },
     "plugins": [
         "@typescript-eslint",
-        "prettier",
         "import",
         "promise",
         "security",
@@ -40,7 +38,6 @@
         "no-console": "error",
         "no-debugger": "error",
         "camelcase": "error",
-        "prettier/prettier": "error",
         "indent": ["error", 2],
         "linebreak-style": ["error", "unix"],
         "semi": ["error", "never"],
@@ -120,6 +117,14 @@
         "promise/no-multiple-resolved": "error"
     },
     "overrides": [
+        {
+            "files": ["!*.json"],
+            "plugins": ["prettier"],
+            "extends": ["plugin:prettier/recommended"],
+            "rules": {
+                "prettier/prettier": "error"
+            }
+        },
         {
             "files": ["*.json"],
             "plugins": ["json"],
@@ -131,7 +136,7 @@
             "extends": ["plugin:vuetify/recommended"]
         },
 		{
-			"files": ["**/*.test.[tj]s"],
+			"files": ["*.[test,spec].[tj]s"],
 			"plugins": ["vitest"],
 			"extends": ["plugin:vitest/all"]
 		},
diff --git a/README.md b/README.md
index b9c13f5..0aaf255 100644
--- a/README.md
+++ b/README.md
@@ -2,6 +2,7 @@
 [![nodejs][badge-nodejs-img]][badge-nodejs-href]
 [![npm][badge-npm-img]][badge-npm-href]
 [![docker][badge-docker-img]][badge-docker-href]
+[![jq][badge-jq-img]][badge-jq-href]
 [![vue][badge-vue-img]][badge-vue-href]
 [![vike][badge-vike-img]][badge-vike-href]
 [![vuetify][badge-vuetify-img]][badge-vuetify-href]
@@ -18,7 +19,7 @@ The IT4C Boilerplate for frontends
 
 ## Requirements & Technology
 
-To be able to build this project you need `nodejs`, `npm` and optional `docker`.
+To be able to build this project you need `nodejs`, `npm` and optional `docker` and `jq`.
 
 The project uses `vite` as builder, `vike` to do the SSR. The design framework is `vuetify` which requires the frontend framework `vue3`. For localization `vue-i18n` is used; Session storage is handled with `pinia`.
 
@@ -30,29 +31,30 @@ This projects utilizes `storybook` to develop frontend components and `vuepress`
 
 The following commands are available:
 
-| Command                    | Description                                     |
-|----------------------------|-------------------------------------------------|
-| `npm install`              | Project setup                                   |
-| `npm run build`            | Compiles and minifies for production            |
-| `npm run server:prod`      | Runs productions server                         |
-| **Develop**                |                                                 |
-| `npm run dev`              | Compiles and hot-reloads for development        |
-| `npm run server:dev`       | Run development server                          |
-| **Test**                   |                                                 |
-| `npm run test:lint`        | Run all linters                                 |
-| `npm run test:lint:eslint` | Run linter eslint                               |
-| `npm run test:lint:remark` | Run linter remark                               |
-| `npm run test:lint:style`  | Run linter stylelint                            |
-| `npm run test:unit`        | Run all unit tests and generate coverage report |
-| `npm run test:unit:dev`    | Run all unit tests in watch mode                |
-| `npm test`                 | Run all tests & linters                         |
-| **Storybook**              |                                                 |
-| `npm run storybook`        | Run Storybook                                   |
-| `npm run storybook:build`  | Build static storybook                          |
-| `npm run storybook:test`   | Run tests against all storybook stories         |
-| **Documentation**          |                                                 |
-| `npm run docs:dev`         | Run Documentation in development mode           |
-| `npm run docs:build`       | Build static documentation                      |
+| Command                     | Description                                     |
+|-----------------------------|-------------------------------------------------|
+| `npm install`               | Project setup                                   |
+| `npm run build`             | Compiles and minifies for production            |
+| `npm run server:prod`       | Runs productions server                         |
+| **Develop**                 |                                                 |
+| `npm run dev`               | Compiles and hot-reloads for development        |
+| `npm run server:dev`        | Run development server                          |
+| **Test**                    |                                                 |
+| `npm run test:lint`         | Run all linters                                 |
+| `npm run test:lint:eslint`  | Run linter eslint                               |
+| `npm run test:lint:locales` | Run linter locales                              |
+| `npm run test:lint:remark`  | Run linter remark                               |
+| `npm run test:lint:style`   | Run linter stylelint                            |
+| `npm run test:unit`         | Run all unit tests and generate coverage report |
+| `npm run test:unit:dev`     | Run all unit tests in watch mode                |
+| `npm test`                  | Run all tests & linters                         |
+| **Storybook**               |                                                 |
+| `npm run storybook`         | Run Storybook                                   |
+| `npm run storybook:build`   | Build static storybook                          |
+| `npm run storybook:test`    | Run tests against all storybook stories         |
+| **Documentation**           |                                                 |
+| `npm run docs:dev`          | Run Documentation in development mode           |
+| `npm run docs:build`        | Build static documentation                      |
 
 ### Docker
 
@@ -81,9 +83,7 @@ The following endpoints are provided given the right command is executed or all
 - [ ] figma
 - [ ] chromatic
 - [ ] github actions
-- [ ] lint locales
 - [ ] feature zähler -> pinia tore
-- [ ] lint style (inline vue) stylelint?
 
 ## Known Problems
 
@@ -103,6 +103,9 @@ Currently none
 [badge-docker-img]: https://img.shields.io/badge/docker-latest-blue
 [badge-docker-href]: https://www.docker.com/
 
+[badge-jq-img]: https://img.shields.io/badge/jq-latest-blue
+[badge-jq-href]: https://jqlang.github.io/jq/
+
 [badge-vue-img]: https://img.shields.io/badge/dynamic/json?url=https%3A%2F%2Fraw.githubusercontent.com%2FIT4Change%2Fboilerplate-frontend%2Fmaster%2Fpackage.json&query=dependencies.vue&label=vue&color=green
 [badge-vue-href]: https://vuejs.org/
 
diff --git a/package.json b/package.json
index 92ffafd..6aa994a 100644
--- a/package.json
+++ b/package.json
@@ -40,8 +40,9 @@
     "storybook": "storybook dev -p 6006",
     "storybook:build": "storybook build -o build/storybook",
     "storybook:test": "test-storybook",
-    "test:lint": "npm run test:lint:eslint && npm run test:lint:remark && npm run test:lint:style",
+    "test:lint": "npm run test:lint:eslint && npm run test:lint:remark && npm run test:lint:style && npm run test:lint:locales",
     "test:lint:eslint": "eslint --ext .vue,.ts,.tsx,.js,.jsx,.json,.yml,.yaml --max-warnings 0 --ignore-path .gitignore .",
+    "test:lint:locales": "scripts/locales/locales.sh src/locales",
     "test:lint:remark": "remark . --quiet --frail",
     "test:lint:style": "stylelint --max-warnings 0 --ignore-path .gitignore \"**/*.{css,scss,vue,vuex}\"",
     "test:unit": "npm run test:unit:dev -- run --coverage",
diff --git a/renderer/i18n.ts b/renderer/i18n.ts
index 27caf35..7e25431 100644
--- a/renderer/i18n.ts
+++ b/renderer/i18n.ts
@@ -2,8 +2,10 @@ import { createI18n } from 'vue-i18n'
 
 // eslint-disable-next-line import/no-relative-parent-imports
 import de from '../src/locales/de'
+// import { de as $vuetify } from 'vuetify/locale'
 // eslint-disable-next-line import/no-relative-parent-imports
 import en from '../src/locales/en'
+// import { en as $vuetify } from 'vuetify/locale'
 
 export default createI18n({
   legacy: false, // Vuetify does not support the legacy mode of vue-i18n
diff --git a/scripts/locales/keys.jq b/scripts/locales/keys.jq
new file mode 100644
index 0000000..d9085e0
--- /dev/null
+++ b/scripts/locales/keys.jq
@@ -0,0 +1 @@
+path(..)|[.[]|tostring]|join(".")
\ No newline at end of file
diff --git a/scripts/locales/locales.sh b/scripts/locales/locales.sh
new file mode 100755
index 0000000..4392868
--- /dev/null
+++ b/scripts/locales/locales.sh
@@ -0,0 +1,44 @@
+#!/bin/bash
+if [ $# -eq 0 ]
+then
+  echo "You have to supply at least one argument specifying the folder to lint"
+fi
+
+FILES="$1"
+
+tmp=$(mktemp)
+exit_code=0
+
+for locale_file in $FILES/*.json
+do
+  jq -f $(dirname "$0")/sort.jq $locale_file > "$tmp"
+  # check sort order and fix it if required
+  if [ "$2" == "--fix" ]
+  then
+    mv "$tmp" $locale_file
+  else
+    if diff -q "$tmp" $locale_file > /dev/null ;
+    then
+      : # all good
+    else
+      exit_code=$?
+      echo "$(basename -- $locale_file) is not sorted by keys"
+    fi
+  fi
+  # check keys
+  if [ -n "$LAST_FILE" ]; then
+    listPaths="jq -f $(dirname "$0")/keys.jq"
+    diffString="<( cat $LAST_FILE | $listPaths ) <( cat $locale_file | $listPaths )"
+    if eval "diff -q $diffString";
+    then
+      : # all good
+    else
+    eval "diff -y $diffString | grep '[|<>]'";
+    printf "\n$LAST_FILE\" and $locale_file translation keys do not match, see diff above.\n"
+    exit_code=1
+    fi
+  fi
+  LAST_FILE=$locale_file
+done
+
+exit $exit_code
diff --git a/scripts/locales/sort.jq b/scripts/locales/sort.jq
new file mode 100644
index 0000000..9d108f8
--- /dev/null
+++ b/scripts/locales/sort.jq
@@ -0,0 +1,13 @@
+def walk(f):
+  . as $in
+  | if type == "object" then
+      reduce keys_unsorted[] as $key
+        ( {}; . + { ($key):  ($in[$key] | walk(f)) } ) | f
+  elif type == "array" then map( walk(f) ) | f
+  else f
+  end;
+
+def keys_sort_by(f):
+  to_entries | sort_by(.key|f ) | from_entries;
+
+walk(if type == "object" then keys_sort_by(ascii_upcase) else . end)
\ No newline at end of file
diff --git a/src/locales/de.json b/src/locales/de.json
new file mode 100644
index 0000000..6c7a761
--- /dev/null
+++ b/src/locales/de.json
@@ -0,0 +1,3 @@
+{
+  "counter": "Zähler"
+}
diff --git a/src/locales/de.ts b/src/locales/de.ts
deleted file mode 100644
index 46135f0..0000000
--- a/src/locales/de.ts
+++ /dev/null
@@ -1,6 +0,0 @@
-import { de as $vuetify } from 'vuetify/locale'
-
-export default {
-  counter: 'Zähler',
-  $vuetify,
-}
diff --git a/src/locales/en.json b/src/locales/en.json
new file mode 100644
index 0000000..99f45b4
--- /dev/null
+++ b/src/locales/en.json
@@ -0,0 +1,3 @@
+{
+  "counter": "Counter"
+}
diff --git a/src/locales/en.ts b/src/locales/en.ts
deleted file mode 100644
index 69dab4c..0000000
--- a/src/locales/en.ts
+++ /dev/null
@@ -1,6 +0,0 @@
-import { en as $vuetify } from 'vuetify/locale'
-
-export default {
-  counter: 'Counter',
-  $vuetify,
-}
diff --git a/tsconfig.json b/tsconfig.json
index 75cea91..59b5d5e 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -8,7 +8,8 @@
     "lib": ["DOM", "DOM.Iterable", "ESNext"],
     "types": ["vite/client"],
     "skipLibCheck": true,
-    "esModuleInterop": true
+    "esModuleInterop": true,
+    "resolveJsonModule": true
   },
   "ts-node": {
     "transpileOnly": true,
diff --git a/vitest.config.ts b/vitest.config.ts
index 3c90839..7e2029a 100644
--- a/vitest.config.ts
+++ b/vitest.config.ts
@@ -12,10 +12,10 @@ export default mergeConfig(
       coverage: {
         all: true,
         include: ['src/**/*.{js,jsx,ts,tsx,vue}'],
-        lines: 5,
+        lines: 2,
         functions: 0,
         branches: 10,
-        statements: 5,
+        statements: 2,
         // 100: true,
       },
     },