diff --git a/src/components/Sidebar.vue b/src/components/Sidebar.vue
index 65fea93..e977ff9 100644
--- a/src/components/Sidebar.vue
+++ b/src/components/Sidebar.vue
@@ -48,6 +48,7 @@ export default {
         'str_to_lower_upper': 'Str to lower/upper',
         'str_remove_duplicate_lines': 'Str remove duplicate lines',
         'str_pad': 'Str pad',
+        'numeronym': 'Str numeronym (i18n)',
         'url_encode_decode': 'URL encode/decode',
         'url_query_viewer': 'URL query viewer',
       },
diff --git a/src/router/index.js b/src/router/index.js
index 8936d37..e8b1955 100644
--- a/src/router/index.js
+++ b/src/router/index.js
@@ -65,6 +65,11 @@ const router = createRouter({
 			name: 'str_to_php_array',
 			component: () => import('../views/StrToPHPArray.vue'),
 		},
+		{
+			path: '/numeronym',
+			name: 'numeronym',
+			component: () => import('../views/StrNumeronym.vue'),
+		},
 		{
 			path: '/php_array_to_json',
 			name: 'php_array_to_json',
diff --git a/src/views/StrNumeronym.vue b/src/views/StrNumeronym.vue
new file mode 100644
index 0000000..88ef174
--- /dev/null
+++ b/src/views/StrNumeronym.vue
@@ -0,0 +1,55 @@
+<template>
+  <h2 class="tool-title">Str numeronym</h2>
+  <hr class="mt-5 mb-5">
+
+  <div class="input-group">
+    <label for="data">Data</label>
+    <input id="data" v-model="toolData.data" v-on:keyup="result" type="text">
+  </div>
+
+  <hr class="mt-5 mb-5">
+
+  <div class="input-group">
+    <label for="result">Result</label>
+    <MonacoEditor name="result" language="text" :value="toolResult"></MonacoEditor>
+  </div>
+</template>
+
+<script>
+import MonacoEditor from "@/components/MonacoEditor.vue";
+import { unproxy } from "../utils/unproxy";
+
+export default {
+  components: {
+    MonacoEditor
+  },
+  data() {
+    return {
+      toolData: {
+        data: '',
+      },
+      toolResult: '',
+    };
+  },
+  methods: {
+    result() {
+      const word = unproxy(this.toolData.data);
+
+      if (word.length <= 3) {
+        this.toolResult = word;
+        return
+      }
+
+      const firstLetter = word[0];
+      const lastLetter = word[word.length - 1];
+      const numberOfLetters = word.length - 2;
+
+      this.toolResult = `${firstLetter}${numberOfLetters}${lastLetter}`;
+    },
+  },
+}
+</script>
+
+<style lang="scss">
+
+</style>
\ No newline at end of file