diff --git a/Backend/tools-services/src/main/java/com/r11/tools/controller/JsonController.java b/Backend/tools-services/src/main/java/com/r11/tools/controller/JsonController.java
index 581c5d8..1d465fd 100644
--- a/Backend/tools-services/src/main/java/com/r11/tools/controller/JsonController.java
+++ b/Backend/tools-services/src/main/java/com/r11/tools/controller/JsonController.java
@@ -24,35 +24,53 @@ public class JsonController implements RestController {
 
     @ScopedControllerManifest(method = HandlerType.POST, path = "/formatting")
     public void formatting(Request request, Response response) {
+        long startProcess = System.currentTimeMillis();
+        JsonObject responseJson = new JsonObject();
+
         try {
-            JsonObject jsonObject = this.gson.fromJson(request.body(), JsonObject.class);
+            JsonObject requestJson = this.gson.fromJson(request.body(), JsonObject.class);
+
             response.status(200);
-            response.body(this.prettyGson.toJson(jsonObject));
+
+            responseJson.addProperty("data", this.prettyGson.toJson(requestJson));
+            responseJson.addProperty("time", System.currentTimeMillis() - startProcess);
+
+            response.body(this.prettyGson.toJson(responseJson));
         } catch (Exception e) {
-            response.status(500);
             Throwable cause = e.getCause();
-            if (cause == null) {
-                response.body(e.getMessage());
-            } else {
-                response.body(cause.getMessage());
-            }
+
+            response.status(500);
+
+            responseJson.addProperty("data", cause == null ? e.getMessage() : cause.getMessage());
+            responseJson.addProperty("time", System.currentTimeMillis() - startProcess);
+
+            response.body(this.prettyGson.toJson(responseJson));
         }
     }
 
     @ScopedControllerManifest(method = HandlerType.POST, path = "/minimize")
     public void minimize(Request request, Response response) {
+        long startProcess = System.currentTimeMillis();
+        JsonObject responseJson = new JsonObject();
+
         try {
-            JsonObject jsonObject = this.prettyGson.fromJson(request.body(), JsonObject.class);
+            JsonObject requestJson = this.prettyGson.fromJson(request.body(), JsonObject.class);
+
             response.status(200);
-            response.body(this.gson.toJson(jsonObject));
+
+            responseJson.addProperty("data", this.gson.toJson(requestJson));
+            responseJson.addProperty("time", System.currentTimeMillis() - startProcess);
+
+            response.body(this.gson.toJson(responseJson));
         } catch (Exception e) {
-            response.status(500);
             Throwable cause = e.getCause();
-            if (cause == null) {
-                response.body(e.getMessage());
-            } else {
-                response.body(cause.getMessage());
-            }
+
+            response.status(500);
+
+            responseJson.addProperty("data", cause == null ? e.getMessage() : cause.getMessage());
+            responseJson.addProperty("time", System.currentTimeMillis() - startProcess);
+
+            response.body(this.prettyGson.toJson(responseJson));
         }
     }
 }
diff --git a/Frontend/assets/scripts/tools/json.js b/Frontend/assets/scripts/tools/json.js
index 00d68ae..1f5f09c 100644
--- a/Frontend/assets/scripts/tools/json.js
+++ b/Frontend/assets/scripts/tools/json.js
@@ -1,7 +1,6 @@
 function formatAndValidateJson(errorElement) {
   const input = document.querySelector('#jsonBlock');
   const processInfo = document.getElementById(errorElement);
-  const start = new Date();
 
   const address = window.location.protocol + "//" + window.location.hostname + ":" + 8081 + "/json/formatting"
 
@@ -10,22 +9,22 @@ function formatAndValidateJson(errorElement) {
     body: input.textContent
   })
   .then(async (response) => {
+    const promise = response.json();
     if (!response.ok) {
-      throw Error(await response.text());
+      throw Error(await promise);
     }
 
-    return response.text();
+    return promise;
   })
   .then((data) => {
-    input.innerText = data;
+    input.innerText = data.data;
     processInfo.innerText = "";
     hljs.highlightElement(input);
 
-    const end = new Date();
-    processInfo.innerHTML = "Computed in  " + (end.getMilliseconds() - start.getMilliseconds()) + "ms";
+    processInfo.innerHTML = "Computed in  " + data.time + "ms";
   })
   .catch((error) => {
-    processInfo.innerHTML = "" + error + "";
+    processInfo.innerHTML = "" + error.data + "";
     console.error('Error:', error);
   });
 }
@@ -34,7 +33,6 @@ function minimizeJson(errorElement) {
   const input = document.querySelector('#jsonBlock');
   const processInfo = document.getElementById(errorElement);
 
-  const start = new Date();
   const address = window.location.protocol + "//" + window.location.hostname + ":" + 8081 + "/json/minimize"
 
   fetch(address, {
@@ -42,22 +40,22 @@ function minimizeJson(errorElement) {
     body: input.textContent
   })
   .then(async (response) => {
+    const promise = response.json();
     if (!response.ok) {
-      throw Error(await response.text());
+      throw Error(await promise);
     }
 
-    return response.text();
+    return promise;
   })
   .then((data) => {
-    input.innerText = data;
+    input.innerText = data.data;
     processInfo.innerText = "";
     hljs.highlightElement(input);
 
-    const end = new Date();
-    processInfo.innerHTML = "Computed in  " + (end.getMilliseconds() - start.getMilliseconds()) + "ms";
+    processInfo.innerHTML = "Computed in  " + data.time + "ms";
   })
   .catch((error) => {
-    processInfo.innerHTML = "" + error + "";
+    processInfo.innerHTML = "" + error.data + "";
     console.error('Error:', error);
   });
 }