diff --git a/ui/src/app/api/widget.service.js b/ui/src/app/api/widget.service.js
index 206d3c3d14..4b706e827d 100644
--- a/ui/src/app/api/widget.service.js
+++ b/ui/src/app/api/widget.service.js
@@ -29,6 +29,8 @@ import thingsboardWebCameraInputWidget from '../widget/lib/web-camera-input-widg
 
 import thingsboardRpcWidgets from '../widget/lib/rpc';
 
+import thingsboardJsonToString from '../components/tb-json-to-string.directive';
+
 import TbFlot from '../widget/lib/flot-widget';
 import TbAnalogueLinearGauge from '../widget/lib/analogue-linear-gauge';
 import TbAnalogueRadialGauge from '../widget/lib/analogue-radial-gauge';
@@ -52,7 +54,7 @@ export default angular.module('thingsboard.api.widget', ['oc.lazyLoad', thingsbo
     thingsboardTimeseriesTableWidget, thingsboardAlarmsTableWidget, thingsboardEntitiesTableWidget,
     thingsboardEntitiesHierarchyWidget, thingsboardExtensionsTableWidget, thingsboardDateRangeNavigatorWidget,
     thingsboardMultipleInputWidget, thingsboardWebCameraInputWidget, thingsboardRpcWidgets, thingsboardTypes,
-    thingsboardUtils, TripAnimationWidget])
+    thingsboardUtils, thingsboardJsonToString, TripAnimationWidget])
     .factory('widgetService', WidgetService)
     .name;
 
diff --git a/ui/src/app/common/types.constant.js b/ui/src/app/common/types.constant.js
index 57ac8825f5..86bf952582 100644
--- a/ui/src/app/common/types.constant.js
+++ b/ui/src/app/common/types.constant.js
@@ -881,6 +881,11 @@ export default angular.module('thingsboard.types', [])
                     value: "boolean",
                     name: "value.boolean",
                     icon: "mdi:checkbox-marked-outline"
+                },
+                json: {
+                    value: "json",
+                    name: "value.json",
+                    icon: "mdi:json"
                 }
             },
             widgetType: {
diff --git a/ui/src/app/components/json-content.directive.js b/ui/src/app/components/json-content.directive.js
index 0788216db9..c4281b15c2 100644
--- a/ui/src/app/components/json-content.directive.js
+++ b/ui/src/app/components/json-content.directive.js
@@ -57,9 +57,12 @@ function JsonContent($compile, $templateCache, toast, types, utils) {
             updateEditorSize();
         };
 
-        scope.beautifyJson = function () {
-            var res = js_beautify(scope.contentBody, {indent_size: 4, wrap_line_length: 60});
-            scope.contentBody = res;
+        scope.beautifyJSON = function () {
+            scope.contentBody = js_beautify(scope.contentBody, {indent_size: 4, wrap_line_length: 60});
+        };
+
+        scope.minifyJSON = function () {
+            scope.contentBody = angular.toJson(angular.fromJson(scope.contentBody));
         };
 
         function updateEditorSize() {
@@ -116,7 +119,7 @@ function JsonContent($compile, $templateCache, toast, types, utils) {
         scope.$watch('contentBody', function (newContent, oldContent) {
             ngModelCtrl.$setViewValue(scope.contentBody);
             if (!angular.equals(newContent, oldContent)) {
-                scope.contentValid = true;
+                scope.contentValid = scope.validate();
             }
             scope.updateValidity();
         });
@@ -139,15 +142,17 @@ function JsonContent($compile, $templateCache, toast, types, utils) {
                 }
                 return true;
             } catch (e) {
-                var details = utils.parseException(e);
-                var errorInfo = 'Error:';
-                if (details.name) {
-                    errorInfo += ' ' + details.name + ':';
-                }
-                if (details.message) {
-                    errorInfo += ' ' + details.message;
+                if (!scope.hideErrorToast) {
+                    var details = utils.parseException(e);
+                    var errorInfo = 'Error:';
+                    if (details.name) {
+                        errorInfo += ' ' + details.name + ':';
+                    }
+                    if (details.message) {
+                        errorInfo += ' ' + details.message;
+                    }
+                    scope.showError(errorInfo);
                 }
-                scope.showError(errorInfo);
                 return false;
             }
         };
@@ -169,7 +174,7 @@ function JsonContent($compile, $templateCache, toast, types, utils) {
         });
 
         $compile(element.contents())(scope);
-    }
+    };
 
     return {
         restrict: "E",
@@ -177,6 +182,7 @@ function JsonContent($compile, $templateCache, toast, types, utils) {
         scope: {
             contentType: '=',
             validateContent: '=?',
+            hideErrorToast: '=?',
             readonly:'=ngReadonly',
             fillHeight:'=?'
         },
diff --git a/ui/src/app/components/json-content.scss b/ui/src/app/components/json-content.scss
index 86937c3af4..d444f8051f 100644
--- a/ui/src/app/components/json-content.scss
+++ b/ui/src/app/components/json-content.scss
@@ -27,7 +27,7 @@ tb-json-content {
     min-height: 15px;
     padding: 4px;
     margin: 0 5px 0 0;
-    font-size: .8rem;
+    font-size: 12px;
     line-height: 15px;
     color: #7b7b7b;
     background: rgba(220, 220, 220, .35);
diff --git a/ui/src/app/components/json-content.tpl.html b/ui/src/app/components/json-content.tpl.html
index 5b847f1af6..2b7670942d 100644
--- a/ui/src/app/components/json-content.tpl.html
+++ b/ui/src/app/components/json-content.tpl.html
@@ -17,11 +17,15 @@
 -->
 <div style="background: #fff;" ng-class="{'fill-height': fillHeight}" tb-expand-fullscreen fullscreen-zindex="100" expand-button-id="expand-button" on-fullscreen-changed="onFullscreenChanged()" layout="column">
     <div layout="row" layout-align="start center" style="height: 40px;" class="tb-json-content-toolbar">
-        <label class="tb-title no-padding">{{ label }}</label>
+        <label class="tb-title no-padding"
+               ng-class="{'tb-error': !contentValid}">{{ label }}</label>
         <span flex></span>
-        <md-button ng-if="!readonly" class="tidy" aria-label="{{ 'js-func.tidy' | translate }}" ng-click="beautifyJson()">{{
+        <md-button ng-if="!readonly" class="tidy" aria-label="{{ 'js-func.tidy' | translate }}" ng-click="beautifyJSON()">{{
             'js-func.tidy' | translate }}
         </md-button>
+        <md-button ng-if="!readonly" class="tidy" aria-label="{{ 'js-func.mini' | translate }}" ng-click="minifyJSON()">{{
+            'js-func.mini' | translate }}
+        </md-button>
         <md-button id="expand-button" aria-label="Fullscreen" class="md-icon-button tb-md-32 tb-fullscreen-button-style"></md-button>
     </div>
     <div flex id="tb-json-panel" class="tb-json-content-panel" layout="column">
diff --git a/ui/src/app/components/json-object-edit.directive.js b/ui/src/app/components/json-object-edit.directive.js
index 61b54faab7..538b1cfc41 100644
--- a/ui/src/app/components/json-object-edit.directive.js
+++ b/ui/src/app/components/json-object-edit.directive.js
@@ -50,6 +50,14 @@ function JsonObjectEdit($compile, $templateCache, $document, toast, utils) {
             updateEditorSize();
         };
 
+        scope.beautifyJSON = function () {
+            scope.contentBody = angular.toJson(scope.object, 4);
+        };
+
+        scope.minifyJSON = function () {
+            scope.contentBody = angular.toJson(scope.object);
+        };
+
         function updateEditorSize() {
             if (scope.json_editor) {
                 scope.json_editor.resize();
@@ -169,7 +177,7 @@ function JsonObjectEdit($compile, $templateCache, $document, toast, utils) {
         });
 
         $compile(element.contents())(scope);
-    }
+    };
 
     return {
         restrict: "E",
diff --git a/ui/src/app/components/json-object-edit.scss b/ui/src/app/components/json-object-edit.scss
index d58d9f4b23..9c9cdc7e44 100644
--- a/ui/src/app/components/json-object-edit.scss
+++ b/ui/src/app/components/json-object-edit.scss
@@ -21,6 +21,19 @@ tb-json-object-edit {
   }
 }
 
+.tb-json-object-edit-toolbar {
+  .md-button.tidy {
+    min-width: 32px;
+    min-height: 15px;
+    padding: 4px;
+    margin: 0 5px 0 0;
+    font-size: 12px;
+    line-height: 15px;
+    color: #7b7b7b;
+    background: rgba(220, 220, 220, .35);
+  }
+}
+
 .tb-json-object-panel {
   height: 100%;
   margin-left: 15px;
diff --git a/ui/src/app/components/json-object-edit.tpl.html b/ui/src/app/components/json-object-edit.tpl.html
index aa6c867555..86f2a55650 100644
--- a/ui/src/app/components/json-object-edit.tpl.html
+++ b/ui/src/app/components/json-object-edit.tpl.html
@@ -16,12 +16,18 @@
 
 -->
 <div style="background: #fff;" ng-class="{'fill-height': fillHeight}" tb-expand-fullscreen fullscreen-zindex="100" expand-button-id="expand-button" on-fullscreen-changed="onFullscreenChanged()" layout="column">
-    <div layout="row" layout-align="start center">
+    <div layout="row" layout-align="start center" class="tb-json-object-edit-toolbar">
         <label class="tb-title no-padding"
                ng-class="{'tb-required': required,
                           'tb-readonly': readonly,
                           'tb-error': !objectValid}">{{ label }}</label>
         <span flex></span>
+        <md-button ng-if="!readonly" class="tidy" aria-label="{{ 'js-func.tidy' | translate }}" ng-click="beautifyJSON()">
+            {{'js-func.tidy' | translate }}
+        </md-button>
+        <md-button ng-if="!readonly" class="tidy" aria-label="{{ 'js-func.mini' | translate }}" ng-click="minifyJSON()">
+            {{'js-func.mini' | translate }}
+        </md-button>
         <md-button id="expand-button" aria-label="Fullscreen" class="md-icon-button tb-md-32 tb-fullscreen-button-style"></md-button>
     </div>
     <div flex id="tb-json-panel" class="tb-json-object-panel" layout="column">
diff --git a/ui/src/app/components/tb-json-to-string.directive.js b/ui/src/app/components/tb-json-to-string.directive.js
new file mode 100644
index 0000000000..79bfadb540
--- /dev/null
+++ b/ui/src/app/components/tb-json-to-string.directive.js
@@ -0,0 +1,45 @@
+/*
+ * Copyright © 2016-2020 The Thingsboard Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+export default angular.module('tbJsonToString', [])
+    .directive('tbJsonToString', InputJson)
+    .name;
+
+function InputJson() {
+    return {
+        restrict: 'A',
+        require: 'ngModel',
+        link: function(scope, element, attr, ngModelCtrl) {
+            function into(input) {
+                try {
+                    ngModelCtrl.$setValidity('invalidJSON', true);
+                    return angular.fromJson(input);
+                } catch (e) {
+                    ngModelCtrl.$setValidity('invalidJSON', false);
+                }
+            }
+            function out(data) {
+                try {
+                    ngModelCtrl.$setValidity('invalidJSON', true);
+                    return angular.toJson(data);
+                } catch (e) {
+                    ngModelCtrl.$setValidity('invalidJSON', false);
+                }
+            }
+            ngModelCtrl.$parsers.push(into);
+            ngModelCtrl.$formatters.push(out);
+        }
+    };
+}
diff --git a/ui/src/app/entity/attribute/add-attribute-dialog.controller.js b/ui/src/app/entity/attribute/add-attribute-dialog.controller.js
index 6b277f08ef..e1c711ba66 100644
--- a/ui/src/app/entity/attribute/add-attribute-dialog.controller.js
+++ b/ui/src/app/entity/attribute/add-attribute-dialog.controller.js
@@ -13,10 +13,18 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+/* eslint-disable import/no-unresolved, import/default */
+
+import attributeDialogEditJsonTemplate from './attribute-dialog-edit-json.tpl.html';
+
+/* eslint-enable import/no-unresolved, import/default */
+
+import AttributeDialogEditJsonController from './attribute-dialog-edit-json.controller';
+
 /*@ngInject*/
 export default function AddAttributeDialogController($scope, $mdDialog, types, attributeService, entityType, entityId, attributeScope) {
 
-    var vm = this;
+    let vm = this;
 
     vm.attribute = {};
 
@@ -40,11 +48,37 @@ export default function AddAttributeDialogController($scope, $mdDialog, types, a
         );
     }
 
-    $scope.$watch('vm.valueType', function() {
+    $scope.$watch('vm.valueType', function () {
         if (vm.valueType === types.valueType.boolean) {
             vm.attribute.value = false;
+        } else if (vm.valueType === types.valueType.json) {
+            vm.attribute.value = {};
         } else {
             vm.attribute.value = null;
         }
     });
+
+    vm.addJSON = ($event) => {
+        showJsonDialog($event, vm.attribute.value, false).then((response) => {
+            vm.attribute.value = response;
+        })
+    };
+
+    function showJsonDialog($event, jsonValue, readOnly) {
+        if ($event) {
+            $event.stopPropagation();
+        }
+        return $mdDialog.show({
+            controller: AttributeDialogEditJsonController,
+            controllerAs: 'vm',
+            templateUrl: attributeDialogEditJsonTemplate,
+            locals: {
+                jsonValue: jsonValue,
+                readOnly: readOnly
+            },
+            targetEvent: $event,
+            fullscreen: true,
+            multiple: true,
+        });
+    }
 }
diff --git a/ui/src/app/entity/attribute/add-attribute-dialog.tpl.html b/ui/src/app/entity/attribute/add-attribute-dialog.tpl.html
index f13e31eee9..6520d7a541 100644
--- a/ui/src/app/entity/attribute/add-attribute-dialog.tpl.html
+++ b/ui/src/app/entity/attribute/add-attribute-dialog.tpl.html
@@ -26,7 +26,8 @@
                 </md-button>
             </div>
         </md-toolbar>
-        <md-progress-linear class="md-warn" md-mode="indeterminate" ng-disabled="!$root.loading" ng-show="$root.loading"></md-progress-linear>
+        <md-progress-linear class="md-warn" md-mode="indeterminate" ng-disabled="!$root.loading"
+                            ng-show="$root.loading"></md-progress-linear>
         <span style="min-height: 5px;" flex="" ng-show="!$root.loading"></span>
         <md-dialog-content>
             <div class="md-dialog-content">
@@ -58,7 +59,8 @@
                             </md-input-container>
                             <md-input-container ng-if="vm.valueType===vm.valueTypes.integer" flex="60" class="md-block">
                                 <label translate>value.integer-value</label>
-                                <input required name="value" type="number" step="1" ng-pattern="/^-?[0-9]+$/" ng-model="vm.attribute.value">
+                                <input required name="value" type="number" step="1" ng-pattern="/^-?[0-9]+$/"
+                                       ng-model="vm.attribute.value">
                                 <div ng-messages="theForm.value.$error">
                                     <div translate ng-message="required">attribute.value-required</div>
                                     <div translate ng-message="pattern">value.invalid-integer-value</div>
@@ -71,11 +73,31 @@
                                     <div translate ng-message="required">attribute.value-required</div>
                                 </div>
                             </md-input-container>
-                            <div layout="column" layout-align="center" flex="60" ng-if="vm.valueType===vm.valueTypes.boolean">
-                                <md-checkbox ng-model="vm.attribute.value" style="margin-bottom: 0px;">
+                            <div layout="column" layout-align="center" flex="60"
+                                 ng-if="vm.valueType===vm.valueTypes.boolean">
+                                <md-checkbox ng-model="vm.attribute.value" style="margin-bottom: 0;">
                                     {{ (vm.attribute.value ? 'value.true' : 'value.false') | translate }}
                                 </md-checkbox>
                             </div>
+                            <div layout="row" layout-align="center" flex="60"
+                                 ng-if="vm.valueType===vm.valueTypes.json" class="md-block">
+                                <md-input-container flex class="md-block">
+                                    <label translate>value.json-value</label>
+                                    <input required tb-json-to-string name="value" ng-model="vm.attribute.value">
+                                    <div ng-messages="theForm.value.$error">
+                                        <div translate ng-message="required">attribute.value-required</div>
+                                    </div>
+                                </md-input-container>
+                                <md-button class="md-icon-button"
+                                           ng-click="vm.addJSON($event)"
+                                           style="margin: 18px 0;"
+                                           aria-label="{{ 'action.edit' | translate }}">
+                                    <md-tooltip md-direction="top">
+                                        {{ 'action.edit' | translate }}
+                                    </md-tooltip>
+                                    <ng-md-icon size="20" icon="open_in_new"></ng-md-icon>
+                                </md-button>
+                            </div>
                         </section>
                     </fieldset>
                 </md-content>
@@ -87,8 +109,8 @@
                        class="md-raised md-primary">
                 {{ 'action.add' | translate }}
             </md-button>
-            <md-button ng-disabled="$root.loading" ng-click="vm.cancel()" style="margin-right:20px;">{{ 'action.cancel' |
-                translate }}
+            <md-button ng-disabled="$root.loading" ng-click="vm.cancel()" style="margin-right:20px;">
+                {{ 'action.cancel' | translate }}
             </md-button>
         </md-dialog-actions>
     </form>
diff --git a/ui/src/app/entity/attribute/add-widget-to-dashboard-dialog.controller.js b/ui/src/app/entity/attribute/add-widget-to-dashboard-dialog.controller.js
index 173132a4b3..076bee89d5 100644
--- a/ui/src/app/entity/attribute/add-widget-to-dashboard-dialog.controller.js
+++ b/ui/src/app/entity/attribute/add-widget-to-dashboard-dialog.controller.js
@@ -151,5 +151,4 @@ export default function AddWidgetToDashboardDialogController($scope, $mdDialog,
             }
         );
     }
-
 }
diff --git a/ui/src/app/entity/attribute/add-widget-to-dashboard-dialog.tpl.html b/ui/src/app/entity/attribute/add-widget-to-dashboard-dialog.tpl.html
index 10d7e4ce55..b6c1746b41 100644
--- a/ui/src/app/entity/attribute/add-widget-to-dashboard-dialog.tpl.html
+++ b/ui/src/app/entity/attribute/add-widget-to-dashboard-dialog.tpl.html
@@ -26,7 +26,8 @@
                 </md-button>
             </div>
         </md-toolbar>
-        <md-progress-linear class="md-warn" md-mode="indeterminate" ng-disabled="!$root.loading" ng-show="$root.loading"></md-progress-linear>
+        <md-progress-linear class="md-warn" md-mode="indeterminate" ng-disabled="!$root.loading"
+                            ng-show="$root.loading"></md-progress-linear>
         <span style="min-height: 5px;" flex="" ng-show="!$root.loading"></span>
         <md-dialog-content>
             <div class="md-dialog-content">
@@ -37,10 +38,10 @@
                                 <section flex layout="column" style="width: 300px;">
                                     <span translate style="padding-bottom: 10px;">dashboard.select-existing</span>
                                     <tb-dashboard-autocomplete the-form="theForm"
-                                                         ng-disabled="$root.loading || vm.addToDashboardType != 0"
-                                                         tb-required="vm.addToDashboardType === 0"
-                                                         ng-model="vm.dashboardId"
-                                                         select-first-dashboard="false">
+                                                               ng-disabled="$root.loading || vm.addToDashboardType != 0"
+                                                               tb-required="vm.addToDashboardType === 0"
+                                                               ng-model="vm.dashboardId"
+                                                               select-first-dashboard="false">
                                     </tb-dashboard-autocomplete>
                                 </section>
                             </md-radio-button>
@@ -49,7 +50,8 @@
                                     <span translate>dashboard.create-new</span>
                                     <md-input-container class="md-block">
                                         <label translate>dashboard.new-dashboard-title</label>
-                                        <input ng-required="vm.addToDashboardType === 1" name="title" ng-model="vm.newDashboard.title">
+                                        <input ng-required="vm.addToDashboardType === 1" name="title"
+                                               ng-model="vm.newDashboard.title">
                                         <div ng-messages="theForm.title.$error">
                                             <div translate ng-message="required">dashboard.title-required</div>
                                         </div>
@@ -66,15 +68,15 @@
             <md-checkbox
                     ng-model="vm.openDashboard"
                     aria-label="{{ 'dashboard.open-dashboard' | translate }}"
-                    style="margin-bottom: 0px; padding-right: 20px;">
+                    style="margin-bottom: 0; padding-right: 20px;">
                 {{ 'dashboard.open-dashboard' | translate }}
             </md-checkbox>
             <md-button ng-disabled="$root.loading || theForm.$invalid || !theForm.$dirty" type="submit"
                        class="md-raised md-primary">
                 {{ 'action.add' | translate }}
             </md-button>
-            <md-button ng-disabled="$root.loading" ng-click="vm.cancel()" style="margin-right:20px;">{{ 'action.cancel' |
-                translate }}
+            <md-button ng-disabled="$root.loading" ng-click="vm.cancel()" style="margin-right:20px;">
+                {{ 'action.cancel' | translate }}
             </md-button>
         </md-dialog-actions>
     </form>
diff --git a/ui/src/app/entity/attribute/attribute-dialog-edit-json.controller.js b/ui/src/app/entity/attribute/attribute-dialog-edit-json.controller.js
new file mode 100644
index 0000000000..e53d168a68
--- /dev/null
+++ b/ui/src/app/entity/attribute/attribute-dialog-edit-json.controller.js
@@ -0,0 +1,35 @@
+/*
+ * Copyright © 2016-2020 The Thingsboard Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+/* eslint-enable import/no-unresolved, import/default */
+
+import './attribute-dialog-edit-json.scss';
+
+/*@ngInject*/
+export default function AttributeDialogEditJsonController($mdDialog, types, jsonValue, readOnly) {
+
+    let vm = this;
+    vm.json = angular.toJson(jsonValue, 4);
+    vm.readOnly = readOnly;
+    vm.contentType = types.contentType.JSON.value;
+
+    vm.save = () => {
+        $mdDialog.hide(angular.fromJson(vm.json));
+    };
+
+    vm.cancel = () => {
+        $mdDialog.cancel();
+    };
+}
diff --git a/ui/src/app/entity/attribute/attribute-dialog-edit-json.scss b/ui/src/app/entity/attribute/attribute-dialog-edit-json.scss
new file mode 100644
index 0000000000..84219ac11a
--- /dev/null
+++ b/ui/src/app/entity/attribute/attribute-dialog-edit-json.scss
@@ -0,0 +1,24 @@
+/**
+ * Copyright © 2016-2020 The Thingsboard Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+.attribute-edit-json-dialog{
+  min-width: 400px;
+}
+
+@media (max-width: 425px){
+  .attribute-edit-json-dialog {
+    min-width: 200px;
+  }
+}
diff --git a/ui/src/app/entity/attribute/attribute-dialog-edit-json.tpl.html b/ui/src/app/entity/attribute/attribute-dialog-edit-json.tpl.html
new file mode 100644
index 0000000000..1c801edc10
--- /dev/null
+++ b/ui/src/app/entity/attribute/attribute-dialog-edit-json.tpl.html
@@ -0,0 +1,54 @@
+<!--
+
+    Copyright © 2016-2020 The Thingsboard Authors
+
+    Licensed under the Apache License, Version 2.0 (the "License");
+    you may not use this file except in compliance with the License.
+    You may obtain a copy of the License at
+
+        http://www.apache.org/licenses/LICENSE-2.0
+
+    Unless required by applicable law or agreed to in writing, software
+    distributed under the License is distributed on an "AS IS" BASIS,
+    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+    See the License for the specific language governing permissions and
+    limitations under the License.
+
+-->
+<md-dialog class="attribute-edit-json-dialog">
+    <form name="theForm" ng-submit="vm.save()">
+        <md-toolbar>
+            <div class="md-toolbar-tools">
+                <h2>{{ 'details.edit-json' | translate }}</h2>
+                <span flex></span>
+                <md-button class="md-icon-button"
+                           ng-click="vm.cancel()"
+                           aria-label="{{'action.close'|translate}}">
+                    <ng-md-icon icon="close" aria-label="Close"></ng-md-icon>
+                </md-button>
+            </div>
+        </md-toolbar>
+        <md-dialog-content>
+            <div class="md-dialog-content">
+                <tb-json-content
+                        ng-model="vm.json"
+                        label="{{ 'value.json-value' | translate }}"
+                        content-type="vm.contentType"
+                        validate-content="true"
+                        hide-error-toast="true"
+                        fill-height="false"
+                        ng-readonly="vm.readOnly">
+                </tb-json-content>
+            </div>
+        </md-dialog-content>
+        <md-dialog-actions layout="row" layout-align="end center" class="action-buttons">
+            <md-button ng-disabled="$root.loading || theForm.$invalid || !theForm.$dirty" type="submit"
+                       class="md-raised md-primary">
+                {{'action.save'|translate}}
+            </md-button>
+            <md-button id="cancel-btn" ng-disabled="$root.loading" ng-click="vm.cancel()">
+                {{'action.cancel'|translate }}
+            </md-button>
+        </md-dialog-actions>
+    </form>
+</md-dialog>
diff --git a/ui/src/app/entity/attribute/attribute-table.directive.js b/ui/src/app/entity/attribute/attribute-table.directive.js
index 3ba1f51744..59ea4fe91d 100644
--- a/ui/src/app/entity/attribute/attribute-table.directive.js
+++ b/ui/src/app/entity/attribute/attribute-table.directive.js
@@ -39,7 +39,7 @@ export default function AttributeTableDirective($compile, $templateCache, $rootS
 
         element.html(template);
 
-        var getAttributeScopeByValue = function(attributeScopeValue) {
+        var getAttributeScopeByValue = function (attributeScopeValue) {
             if (scope.types.latestTelemetry.value === attributeScopeValue) {
                 return scope.types.latestTelemetry;
             }
@@ -48,7 +48,7 @@ export default function AttributeTableDirective($compile, $templateCache, $rootS
                     return scope.attributeScopes[attrScope];
                 }
             }
-        }
+        };
 
         scope.types = types;
 
@@ -87,14 +87,14 @@ export default function AttributeTableDirective($compile, $templateCache, $rootS
             search: null
         };
 
-        scope.$watch("entityId", function(newVal) {
+        scope.$watch("entityId", function (newVal) {
             if (newVal) {
                 scope.resetFilter();
                 scope.getEntityAttributes(false, true);
             }
         });
 
-        scope.$watch("attributeScope", function(newVal, prevVal) {
+        scope.$watch("attributeScope", function (newVal, prevVal) {
             if (newVal && !angular.equals(newVal, prevVal)) {
                 scope.mode = 'default';
                 scope.query.search = null;
@@ -103,30 +103,30 @@ export default function AttributeTableDirective($compile, $templateCache, $rootS
             }
         });
 
-        scope.resetFilter = function() {
+        scope.resetFilter = function () {
             scope.mode = 'default';
             scope.query.search = null;
             scope.selectedAttributes = [];
             scope.attributeScope = getAttributeScopeByValue(attrs.defaultAttributeScope);
-        }
+        };
 
-        scope.enterFilterMode = function(event) {
+        scope.enterFilterMode = function (event) {
             let $button = angular.element(event.currentTarget);
             let $toolbarsContainer = $button.closest('.toolbarsContainer');
 
             scope.query.search = '';
 
-            $timeout(()=>{
+            $timeout(() => {
                 $toolbarsContainer.find('.searchInput').focus();
             })
-        }
+        };
 
-        scope.exitFilterMode = function() {
+        scope.exitFilterMode = function () {
             scope.query.search = null;
             scope.getEntityAttributes();
-        }
+        };
 
-        scope.$watch("query.search", function(newVal, prevVal) {
+        scope.$watch("query.search", function (newVal, prevVal) {
             if (!angular.equals(newVal, prevVal) && scope.query.search != null) {
                 scope.getEntityAttributes();
             }
@@ -142,15 +142,15 @@ export default function AttributeTableDirective($compile, $templateCache, $rootS
             }
         }
 
-        scope.onReorder = function() {
+        scope.onReorder = function () {
             scope.getEntityAttributes(false, false);
-        }
+        };
 
-        scope.onPaginate = function() {
+        scope.onPaginate = function () {
             scope.getEntityAttributes(false, false);
-        }
+        };
 
-        scope.getEntityAttributes = function(forceUpdate, reset) {
+        scope.getEntityAttributes = function (forceUpdate, reset) {
             if (scope.attributesDeferred) {
                 scope.attributesDeferred.resolve();
             }
@@ -163,7 +163,7 @@ export default function AttributeTableDirective($compile, $templateCache, $rootS
                 }
                 scope.checkSubscription();
                 scope.attributesDeferred = attributeService.getEntityAttributes(scope.entityType, scope.entityId, scope.attributeScope.value,
-                    scope.query, function(attributes, update, apply) {
+                    scope.query, function (attributes, update, apply) {
                         success(attributes, update || forceUpdate, apply);
                     }
                 );
@@ -176,9 +176,9 @@ export default function AttributeTableDirective($compile, $templateCache, $rootS
                 });
                 deferred.resolve();
             }
-        }
+        };
 
-        scope.checkSubscription = function() {
+        scope.checkSubscription = function () {
             var newSubscriptionId = null;
             if (scope.entityId && scope.entityType && scope.attributeScope.clientSide && scope.mode != 'widget') {
                 newSubscriptionId = attributeService.subscribeForEntityAttributes(scope.entityType, scope.entityId, scope.attributeScope.value);
@@ -187,36 +187,38 @@ export default function AttributeTableDirective($compile, $templateCache, $rootS
                 attributeService.unsubscribeForEntityAttributes(scope.subscriptionId);
             }
             scope.subscriptionId = newSubscriptionId;
-        }
+        };
 
-        scope.$on('$destroy', function() {
+        scope.$on('$destroy', function () {
             if (scope.subscriptionId) {
                 attributeService.unsubscribeForEntityAttributes(scope.subscriptionId);
             }
         });
 
-        scope.editAttribute = function($event, attribute) {
+        scope.editAttribute = function ($event, attribute) {
             if (!scope.attributeScope.clientSide) {
                 $event.stopPropagation();
                 $mdEditDialog.show({
                     controller: EditAttributeValueController,
                     templateUrl: editAttributeValueTemplate,
-                    locals: {attributeValue: attribute.value,
-                             save: function (model) {
-                                var updatedAttribute = angular.copy(attribute);
-                                updatedAttribute.value = model.value;
-                                attributeService.saveEntityAttributes(scope.entityType, scope.entityId, scope.attributeScope.value, [updatedAttribute]).then(
-                                    function success() {
-                                        scope.getEntityAttributes();
-                                    }
-                                );
-                            }},
+                    locals: {
+                        attributeValue: attribute.value,
+                        save: function (model) {
+                            var updatedAttribute = angular.copy(attribute);
+                            updatedAttribute.value = model.value;
+                            attributeService.saveEntityAttributes(scope.entityType, scope.entityId, scope.attributeScope.value, [updatedAttribute]).then(
+                                function success() {
+                                    scope.getEntityAttributes();
+                                }
+                            );
+                        }
+                    },
                     targetEvent: $event
                 });
             }
-        }
+        };
 
-        scope.addAttribute = function($event) {
+        scope.addAttribute = function ($event) {
             if (!scope.attributeScope.clientSide) {
                 $event.stopPropagation();
                 $mdDialog.show({
@@ -224,16 +226,20 @@ export default function AttributeTableDirective($compile, $templateCache, $rootS
                     controllerAs: 'vm',
                     templateUrl: addAttributeDialogTemplate,
                     parent: angular.element($document[0].body),
-                    locals: {entityType: scope.entityType, entityId: scope.entityId, attributeScope: scope.attributeScope.value},
+                    locals: {
+                        entityType: scope.entityType,
+                        entityId: scope.entityId,
+                        attributeScope: scope.attributeScope.value
+                    },
                     fullscreen: true,
                     targetEvent: $event
                 }).then(function () {
                     scope.getEntityAttributes();
                 });
             }
-        }
+        };
 
-        scope.deleteAttributes = function($event) {
+        scope.deleteAttributes = function ($event) {
             if (!scope.attributeScope.clientSide) {
                 $event.stopPropagation();
                 var confirm = $mdDialog.confirm()
@@ -244,33 +250,33 @@ export default function AttributeTableDirective($compile, $templateCache, $rootS
                     .cancel($translate.instant('action.no'))
                     .ok($translate.instant('action.yes'));
                 $mdDialog.show(confirm).then(function () {
-                        attributeService.deleteEntityAttributes(scope.entityType, scope.entityId, scope.attributeScope.value, scope.selectedAttributes).then(
-                            function success() {
-                                scope.selectedAttributes = [];
-                                scope.getEntityAttributes();
-                            }
-                        )
+                    attributeService.deleteEntityAttributes(scope.entityType, scope.entityId, scope.attributeScope.value, scope.selectedAttributes).then(
+                        function success() {
+                            scope.selectedAttributes = [];
+                            scope.getEntityAttributes();
+                        }
+                    )
                 });
             }
-        }
+        };
 
-        scope.nextWidget = function() {
+        scope.nextWidget = function () {
             $mdUtil.nextTick(function () {
                 if (scope.widgetsCarousel.index < scope.widgetsList.length - 1) {
                     scope.widgetsCarousel.index++;
                 }
             });
-        }
+        };
 
-        scope.prevWidget = function() {
+        scope.prevWidget = function () {
             $mdUtil.nextTick(function () {
                 if (scope.widgetsCarousel.index > 0) {
                     scope.widgetsCarousel.index--;
                 }
             });
-        }
+        };
 
-        scope.enterWidgetMode = function() {
+        scope.enterWidgetMode = function () {
 
             if (scope.widgetsIndexWatch) {
                 scope.widgetsIndexWatch();
@@ -303,7 +309,7 @@ export default function AttributeTableDirective($compile, $templateCache, $rootS
             entitiAliases[entityAlias.id] = entityAlias;
 
             var stateController = {
-                getStateParams: function() {
+                getStateParams: function () {
                     return {};
                 }
             };
@@ -317,9 +323,9 @@ export default function AttributeTableDirective($compile, $templateCache, $rootS
                 type: types.datasourceType.entity,
                 entityAliasId: entityAlias.id,
                 dataKeys: []
-            }
+            };
             var i = 0;
-            for (var attr =0; attr < scope.selectedAttributes.length;attr++) {
+            for (var attr = 0; attr < scope.selectedAttributes.length; attr++) {
                 var attribute = scope.selectedAttributes[attr];
                 var dataKey = {
                     name: attribute.key,
@@ -328,12 +334,12 @@ export default function AttributeTableDirective($compile, $templateCache, $rootS
                     color: utils.getMaterialColor(i),
                     settings: {},
                     _hash: Math.random()
-                }
+                };
                 datasource.dataKeys.push(dataKey);
                 i++;
             }
 
-            scope.widgetsIndexWatch = scope.$watch('widgetsCarousel.index', function(newVal, prevVal) {
+            scope.widgetsIndexWatch = scope.$watch('widgetsCarousel.index', function (newVal, prevVal) {
                 if (scope.mode === 'widget' && (newVal != prevVal)) {
                     var index = scope.widgetsCarousel.index;
                     for (var i = 0; i < scope.widgetsList.length; i++) {
@@ -345,7 +351,7 @@ export default function AttributeTableDirective($compile, $templateCache, $rootS
                 }
             });
 
-            scope.widgetsBundleWatch = scope.$watch('widgetsBundle', function(newVal, prevVal) {
+            scope.widgetsBundleWatch = scope.$watch('widgetsBundle', function (newVal, prevVal) {
                 if (scope.mode === 'widget' && (scope.firstBundle === true || newVal != prevVal)) {
                     scope.widgetsList = [];
                     scope.widgetsListCache = [];
@@ -358,7 +364,7 @@ export default function AttributeTableDirective($compile, $templateCache, $rootS
                         widgetService.getBundleWidgetTypes(scope.widgetsBundle.alias, isSystem).then(
                             function success(widgetTypes) {
 
-                                widgetTypes = $filter('orderBy')(widgetTypes, ['-descriptor.type','-createdTime']);
+                                widgetTypes = $filter('orderBy')(widgetTypes, ['-descriptor.type', '-createdTime']);
 
                                 for (var i = 0; i < widgetTypes.length; i++) {
                                     var widgetType = widgetTypes[i];
@@ -398,9 +404,9 @@ export default function AttributeTableDirective($compile, $templateCache, $rootS
                     }
                 }
             });
-        }
+        };
 
-        scope.exitWidgetMode = function() {
+        scope.exitWidgetMode = function () {
             if (scope.widgetsBundleWatch) {
                 scope.widgetsBundleWatch();
                 scope.widgetsBundleWatch = null;
@@ -412,9 +418,9 @@ export default function AttributeTableDirective($compile, $templateCache, $rootS
             scope.selectedWidgetsBundleAlias = null;
             scope.mode = 'default';
             scope.getEntityAttributes(true);
-        }
+        };
 
-        scope.addWidgetToDashboard = function($event) {
+        scope.addWidgetToDashboard = function ($event) {
             if (scope.mode === 'widget' && scope.widgetsListCache.length > 0) {
                 var widget = scope.widgetsListCache[scope.widgetsCarousel.index][0];
                 $event.stopPropagation();
@@ -423,21 +429,26 @@ export default function AttributeTableDirective($compile, $templateCache, $rootS
                     controllerAs: 'vm',
                     templateUrl: addWidgetToDashboardDialogTemplate,
                     parent: angular.element($document[0].body),
-                    locals: {entityId: scope.entityId, entityType: scope.entityType, entityName: scope.entityName, widget: angular.copy(widget)},
+                    locals: {
+                        entityId: scope.entityId,
+                        entityType: scope.entityType,
+                        entityName: scope.entityName,
+                        widget: angular.copy(widget)
+                    },
                     fullscreen: true,
                     targetEvent: $event
                 }).then(function () {
 
                 });
             }
-        }
+        };
 
-        scope.loading = function() {
+        scope.loading = function () {
             return $rootScope.loading;
-        }
+        };
 
         $compile(element.contents())(scope);
-    }
+    };
 
     return {
         restrict: "E",
diff --git a/ui/src/app/entity/attribute/attribute-table.scss b/ui/src/app/entity/attribute/attribute-table.scss
index dd48a5d4b5..5a0bde0c68 100644
--- a/ui/src/app/entity/attribute/attribute-table.scss
+++ b/ui/src/app/entity/attribute/attribute-table.scss
@@ -58,3 +58,11 @@ md-toolbar.md-table-toolbar.alternate {
     }
   }
 }
+
+md-edit-dialog.tb-edit-dialog{
+  z-index: 78;
+}
+
+md-backdrop.md-edit-dialog-backdrop{
+  z-index: 77;
+}
diff --git a/ui/src/app/entity/attribute/attribute-table.tpl.html b/ui/src/app/entity/attribute/attribute-table.tpl.html
index e6a8b12d3d..8844891e62 100644
--- a/ui/src/app/entity/attribute/attribute-table.tpl.html
+++ b/ui/src/app/entity/attribute/attribute-table.tpl.html
@@ -77,9 +77,7 @@
         </md-toolbar>
         <md-toolbar class="md-table-toolbar alternate" ng-show="mode==='default' && selectedAttributes.length">
             <div class="md-toolbar-tools">
-                <span translate="{{attributeScope === types.latestTelemetry
-                                    ? 'attribute.selected-telemetry'
-                                    : 'attribute.selected-attributes'}}"
+                <span translate="{{(attributeScope === types.latestTelemetry) ? 'attribute.selected-telemetry' : 'attribute.selected-attributes'}}"
                       translate-values="{count: selectedAttributes.length}"
                       translate-interpolation="messageformat"></span>
                 <span flex></span>
diff --git a/ui/src/app/entity/attribute/edit-attribute-value.controller.js b/ui/src/app/entity/attribute/edit-attribute-value.controller.js
index 208ad9a678..7cb550d4c1 100644
--- a/ui/src/app/entity/attribute/edit-attribute-value.controller.js
+++ b/ui/src/app/entity/attribute/edit-attribute-value.controller.js
@@ -13,14 +13,19 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+/* eslint-enable import/no-unresolved, import/default */
+
+import AttributeDialogEditJsonController from "./attribute-dialog-edit-json.controller";
+import attributeDialogEditJsonTemplate from "./attribute-dialog-edit-json.tpl.html";
+
 /*@ngInject*/
-export default function EditAttributeValueController($scope, $q, $element, types, attributeValue, save) {
+export default function EditAttributeValueController($scope, $mdDialog, $q, $element, $document, types, attributeValue, save) {
 
     $scope.valueTypes = types.valueType;
 
-    $scope.model = {};
-
-    $scope.model.value = attributeValue;
+    $scope.model = {
+        value: attributeValue
+    };
 
     if ($scope.model.value === true || $scope.model.value === false) {
         $scope.valueType = types.valueType.boolean;
@@ -30,26 +35,27 @@ export default function EditAttributeValueController($scope, $q, $element, types
         } else {
             $scope.valueType = types.valueType.double;
         }
+    } else if (angular.isObject($scope.model.value)) {
+        $scope.valueType = types.valueType.json;
     } else {
         $scope.valueType = types.valueType.string;
     }
 
     $scope.submit = submit;
     $scope.dismiss = dismiss;
+    $scope.editJSON = editJSON;
 
     function dismiss() {
         $element.remove();
     }
 
     function update() {
-        if($scope.editDialog.$invalid) {
+        if ($scope.editDialog.$invalid) {
             return $q.reject();
         }
-
-        if(angular.isFunction(save)) {
+        if (angular.isFunction(save)) {
             return $q.when(save($scope.model));
         }
-
         return $q.resolve();
     }
 
@@ -59,13 +65,45 @@ export default function EditAttributeValueController($scope, $q, $element, types
         });
     }
 
-    $scope.$watch('valueType', function(newVal, prevVal) {
-        if (newVal != prevVal) {
+
+    $scope.$watch('valueType', function (newVal, prevVal) {
+        if (newVal !== prevVal) {
             if ($scope.valueType === types.valueType.boolean) {
                 $scope.model.value = false;
+            } else if ($scope.valueType === types.valueType.json) {
+                $scope.model.value = {};
             } else {
                 $scope.model.value = null;
             }
         }
     });
+
+    function editJSON($event) {
+        $scope.hideDialog = true;
+        showJsonDialog($event, $scope.model.value, false).then((response) => {
+            $scope.hideDialog = false;
+            if (!angular.equals(response, $scope.model.value)) {
+                $scope.editDialog.$setDirty();
+            }
+            $scope.model.value = response;
+        })
+    }
+
+    function showJsonDialog($event, jsonValue, readOnly) {
+        if ($event) {
+            $event.stopPropagation();
+        }
+        return $mdDialog.show({
+            controller: AttributeDialogEditJsonController,
+            controllerAs: 'vm',
+            templateUrl: attributeDialogEditJsonTemplate,
+            locals: {
+                jsonValue: jsonValue,
+                readOnly: readOnly
+            },
+            targetEvent: $event,
+            fullscreen: true,
+            multiple: true
+        });
+    }
 }
diff --git a/ui/src/app/entity/attribute/edit-attribute-value.tpl.html b/ui/src/app/entity/attribute/edit-attribute-value.tpl.html
index ca4f8181f1..35abe746aa 100644
--- a/ui/src/app/entity/attribute/edit-attribute-value.tpl.html
+++ b/ui/src/app/entity/attribute/edit-attribute-value.tpl.html
@@ -15,8 +15,8 @@
     limitations under the License.
 
 -->
-<md-edit-dialog>
-    <form name="editDialog" ng-submit="submit()">
+<md-edit-dialog class="tb-edit-dialog">
+    <form name="editDialog" ng-submit="submit()" >
         <div layout="column" class="md-content" style="width: 400px;">
             <fieldset>
                 <section layout="row">
@@ -38,7 +38,8 @@
                     </md-input-container>
                     <md-input-container ng-if="valueType===valueTypes.integer" flex="60" class="md-block">
                         <label translate>value.integer-value</label>
-                        <input required name="value" type="number" step="1" ng-pattern="/^-?[0-9]+$/" ng-model="model.value">
+                        <input required name="value" type="number" step="1" ng-pattern="/^-?[0-9]+$/"
+                               ng-model="model.value">
                         <div ng-messages="editDialog.value.$error">
                             <div translate ng-message="required">attribute.value-required</div>
                             <div translate ng-message="pattern">value.invalid-integer-value</div>
@@ -52,16 +53,31 @@
                         </div>
                     </md-input-container>
                     <div layout="column" layout-align="center" flex="60" ng-if="valueType===valueTypes.boolean">
-                        <md-checkbox ng-model="model.value" style="margin-bottom: 0px;">
+                        <md-checkbox ng-model="model.value" style="margin-bottom: 0;">
                             {{ (model.value ? 'value.true' : 'value.false') | translate }}
                         </md-checkbox>
                     </div>
+                    <div layout="row" layout-align="center" ng-if="valueType===valueTypes.json" flex="60">
+                        <md-input-container class="md-block">
+                            <label translate>value.json-value</label>
+                            <input required tb-json-to-string name="value" ng-model="model.value">
+                            <div ng-messages="editDialog.value.$error">
+                                <div translate ng-message="required">attribute.value-required</div>
+                            </div>
+                        </md-input-container>
+                        <md-button class="md-icon-button" style="margin: 18px 0;"
+                                   ng-click="editJSON($event)" aria-label="{{ 'action.edit' | translate }}">
+                            <md-tooltip md-direction="top">
+                                {{ 'action.edit' | translate }}
+                            </md-tooltip>
+                            <ng-md-icon size="20" icon="open_in_new"></ng-md-icon>
+                        </md-button>
+                    </div>
                 </section>
             </fieldset>
         </div>
         <div layout="row" layout-align="end" class="md-actions">
-            <md-button ng-click="dismiss()">{{ 'action.cancel' |
-                translate }}
+            <md-button ng-click="dismiss()">{{ 'action.cancel' | translate }}
             </md-button>
             <md-button ng-disabled="editDialog.$invalid || !editDialog.$dirty" type="submit"
                        class="md-raised md-primary">
@@ -69,4 +85,4 @@
             </md-button>
         </div>
     </form>
-</md-edit-dialog>
\ No newline at end of file
+</md-edit-dialog>
diff --git a/ui/src/app/locale/locale.constant-el_GR.json b/ui/src/app/locale/locale.constant-el_GR.json
index 1d81f7ea19..8d4951f28f 100644
--- a/ui/src/app/locale/locale.constant-el_GR.json
+++ b/ui/src/app/locale/locale.constant-el_GR.json
@@ -2232,7 +2232,7 @@
     "last": "Τελευταίος",
     "time-period": "Χρονική Περίοδος"
   },
-  "user": {  
+  "user": {
     "user": "Χρήστης",
     "users": "Χρήστες",
     "management": "Διαχείριση Χρηστών",
diff --git a/ui/src/app/locale/locale.constant-en_US.json b/ui/src/app/locale/locale.constant-en_US.json
index d9e33e4488..f0dc673f84 100644
--- a/ui/src/app/locale/locale.constant-en_US.json
+++ b/ui/src/app/locale/locale.constant-en_US.json
@@ -607,6 +607,7 @@
     },
     "details": {
         "edit-mode": "Edit mode",
+        "edit-json": "Edit JSON",
         "toggle-edit-mode": "Toggle edit mode"
     },
     "device": {
@@ -1270,7 +1271,8 @@
     "js-func": {
         "no-return-error": "Function must return value!",
         "return-type-mismatch": "Function must return value of '{{type}}' type!",
-        "tidy": "Tidy"
+        "tidy": "Tidy",
+        "mini": "Mini"
     },
     "key-val": {
         "key": "Key",
@@ -1593,7 +1595,9 @@
         "boolean-value": "Boolean value",
         "false": "False",
         "true": "True",
-        "long": "Long"
+        "long": "Long",
+        "json": "JSON",
+        "json-value": "JSON value"
     },
     "widget": {
         "widget-library": "Widgets Library",
diff --git a/ui/src/app/locale/locale.constant-ru_RU.json b/ui/src/app/locale/locale.constant-ru_RU.json
index d5284ebd1a..47c70da48a 100644
--- a/ui/src/app/locale/locale.constant-ru_RU.json
+++ b/ui/src/app/locale/locale.constant-ru_RU.json
@@ -607,6 +607,7 @@
     },
     "details": {
         "edit-mode": "Режим редактирования",
+        "edit-json": "Редактировать JSON",
         "toggle-edit-mode": "Режим редактирования"
     },
     "device": {
@@ -1191,8 +1192,7 @@
     },
     "js-func": {
         "no-return-error": "Функция должна возвращать значение!",
-        "return-type-mismatch": "Функция должна возвращать значение типа '{{type}}'!",
-        "tidy": "Tidy"
+        "return-type-mismatch": "Функция должна возвращать значение типа '{{type}}'!"
     },
     "key-val": {
         "key": "Ключ",
diff --git a/ui/src/app/locale/locale.constant-uk_UA.json b/ui/src/app/locale/locale.constant-uk_UA.json
index 75124022dd..7b882423ed 100644
--- a/ui/src/app/locale/locale.constant-uk_UA.json
+++ b/ui/src/app/locale/locale.constant-uk_UA.json
@@ -724,6 +724,7 @@
     "details": {
         "details": "Деталі",
         "edit-mode": "Режим редагування",
+        "edit-json": "Редагувати JSON",
         "toggle-edit-mode": "Перемкнути режим редагування"
     },
     "device": {
@@ -1606,8 +1607,7 @@
     },
     "js-func": {
         "no-return-error": "Функція повинна повертати значення!",
-        "return-type-mismatch": "Функція повинна повернути значення типу '{{type}}'!",
-        "tidy": "Tidy"
+        "return-type-mismatch": "Функція повинна повернути значення типу '{{type}}'!"
     },
     "key-val": {
         "key": "Ключ",